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<h3>
Marge Bot pushed to branch wip/marge_bot_batch_merge_job
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/51e3bb6db85c20cb6b287fa5ec7cfe679a7e5259">51e3bb6d</a></strong>
<div>
<span>by Andreas Klebinger</span>
<i>at 2020-12-08T22:43:21-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">CodeGen: Make folds User/DefinerOfRegs INLINEABLE.
Reduces allocation for the test case I was looking at by about 1.2%.
Mostly from avoiding allocation of some folding functions which turn
into let-no-escape bindings which just reuse their environment instead.
We also force inlining in a few key places in CmmSink which helps a bit
more.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69ae10c39bfed1c4f90f34b42aa0630e0fda2b1b">69ae10c3</a></strong>
<div>
<span>by Andreas Klebinger</span>
<i>at 2020-12-08T22:43:21-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">CmmSink: Force inlining of foldRegsDefd
Helps avoid allocating the folding function. Improves
perf for T3294 by about 1%.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6e3da80055dd7b3fc3bdc576088fdd16129bdac7">6e3da800</a></strong>
<div>
<span>by Andreas Klebinger</span>
<i>at 2020-12-08T22:43:21-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Cmm: Make a few types and utility function slightly stricter.
About 0.6% reduction in allocations for the code I was looking at.
Not a huge difference but no need to throw away performance.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/aef44d7fbef92159960daf73c53dbc3c8d21ecbf">aef44d7f</a></strong>
<div>
<span>by Andreas Klebinger</span>
<i>at 2020-12-08T22:43:21-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Cmm.Sink: Optimize retaining of assignments, live sets.
Sinking requires us to track live local regs after each
cmm statement. We used to do this via "Set LocalReg".
However we can replace this with a solution based on IntSet
which is overall more efficient without losing much. The thing
we lose is width of the variables, which isn't used by the sinking
pass anyway.
I also reworked how we keep assignments to regs mentioned in
skipped assignments. I put the details into
Note [Keeping assignemnts mentioned in skipped RHSs].
The gist of it is instead of keeping track of it via the use count
which is a `IntMap Int` we now use the live regs set (IntSet) which
is quite a bit faster.
I think it also matches the semantics a lot better. The skipped
(not discarded) assignment does in fact keep the regs on it's rhs
alive so keeping track of this in the live set seems like the clearer
solution as well.
Improves allocations for T3294 by yet another 1%.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/59f2249b4f4f3b1a5f2d0bc1b2923e0652b7de8f">59f2249b</a></strong>
<div>
<span>by Andreas Klebinger</span>
<i>at 2020-12-08T22:43:21-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">GHC.Cmm.Opt: Be stricter in results.
Optimization either returns Nothing if nothing is to be done or
`Just <cmmExpr>` otherwise. There is no point in being lazy in
`cmmExpr`. We usually inspect this element so the thunk gets forced
not long after.
We might eliminate it as dead code once in a blue moon but that's
not a case worth optimizing for.
Overall the impact of this is rather low. As Cmm.Opt doesn't allocate
much (compared to the rest of GHC) to begin with.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/54b88eacbf9d13f2b1d070932a742ec74419c3f5">54b88eac</a></strong>
<div>
<span>by Andreas Klebinger</span>
<i>at 2020-12-08T22:43:57-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bump time submodule.
This should fix #19002.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/87adc0bdd5b266cd2fc226eaf7dc3f524f1119e8">87adc0bd</a></strong>
<div>
<span>by Kirill Elagin</span>
<i>at 2020-12-09T18:55:21-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">doc: Clarify the default for -fomit-yields
“Yield points enabled” is confusing (and probably wrong?
I am not 100% sure what it means). Change it to a simple “on”.
Undo this change from 2c23fff2e03e77187dc4d01f325f5f43a0e7cad2.</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d88a5fdedf202de7713cf4285d7f9e3e4f2d34b8">d88a5fde</a></strong>
<div>
<span>by Kirill Elagin</span>
<i>at 2020-12-09T18:55:21-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">doc: Extra-clarify -fomit-yields
Be more clear on what this optimisation being on by default means
in terms of yields.</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e4f41000077c2da09b2ca7ffc623aefff21da6ee">e4f41000</a></strong>
<div>
<span>by Sergei Trofimovich</span>
<i>at 2020-12-09T18:55:23-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts/linker/Elf.c: add missing <dlfcn.h> include (musl support)
The change fixes build failure on musl:
```
rts/linker/Elf.c:2031:3: error:
warning: implicit declaration of function 'dlclose'; did you mean 'close'? [-Wimplicit-function-declaration]
2031 | dlclose(nc->dlopen_handle);
| ^~~~~~~
| close
```
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
</pre>
</li>
</ul>
<h4>12 changed files:</h4>
<ul>
<li class="file-stats">
<a href="#56e23d78cfece2c83f03ed9b9a8ce9b20be26462">
compiler/GHC/Cmm/Expr.hs
</a>
</li>
<li class="file-stats">
<a href="#2d9f432ef2a75cf9ce101a5380b45e6cb06a42d0">
<span class="new-file">
+
compiler/GHC/Cmm/LRegSet.hs
</span>
</a>
</li>
<li class="file-stats">
<a href="#95111d27913460e138e20c87f610b61c3745ab2b">
compiler/GHC/Cmm/Liveness.hs
</a>
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<li class="file-stats">
<a href="#90378e83c3a00a78bc0b3c01da111e0a787de451">
compiler/GHC/Cmm/Node.hs
</a>
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<li class="file-stats">
<a href="#00c27365316e033b00cc3ed3854ac8714d25a2b5">
compiler/GHC/Cmm/Opt.hs
</a>
</li>
<li class="file-stats">
<a href="#b1390f6749e1a2dddcae35f88d55623ea6269f56">
compiler/GHC/Cmm/Sink.hs
</a>
</li>
<li class="file-stats">
<a href="#f9f29a5a64a0b66967f0a7c538dbf8ad06a9f5bb">
compiler/GHC/Cmm/Utils.hs
</a>
</li>
<li class="file-stats">
<a href="#d3cf57b6a5ebc234dc7689db38ef9b6cf2259c0f">
compiler/GHC/Utils/Outputable.hs
</a>
</li>
<li class="file-stats">
<a href="#0f33fd88c617246c7f89c4477d2d1d24f942df23">
compiler/ghc.cabal.in
</a>
</li>
<li class="file-stats">
<a href="#2e45f2cd303dd998950a7c8042e796a5b2abd64f">
docs/users_guide/using-optimisation.rst
</a>
</li>
<li class="file-stats">
<a href="#85be39da47a20360dc906ebad4c63f9cfb7363a6">
libraries/time
</a>
</li>
<li class="file-stats">
<a href="#b7ec52d5e302083ed03503182f1293694dda24f3">
rts/linker/Elf.c
</a>
</li>
</ul>
<h4>Changes:</h4>
<li id="56e23d78cfece2c83f03ed9b9a8ce9b20be26462">
<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/ed940d47e8a4abdeb0ce54fcd8db46274713a248...e4f41000077c2da09b2ca7ffc623aefff21da6ee#56e23d78cfece2c83f03ed9b9a8ce9b20be26462"><strong>compiler/GHC/Cmm/Expr.hs</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="53" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -53,14 +53,14 @@ import GHC.Types.Basic (Alignment, mkAlignment, alignmentOf)</td>
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<pre style="margin: 0;"> <span id="LC53" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-----------------------------------------------------------------------------</span></span>
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<pre style="margin: 0;"> <span id="LC54" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="55" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="55" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC55" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">CmmExpr</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="56" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="56" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC56" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="c1" style="color: #998; font-style: italic;">-- Literal</span></span>
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<td class="diff-line-num new old_line" data-linenumber="57" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="56" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC56" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="o" style="font-weight: 600;"><span class="idiff left right">!</span></span><span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="c1" style="color: #998; font-style: italic;">-- Literal</span></span>
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<td class="diff-line-num old_line" data-linenumber="57" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC57" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLoad</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">CmmExpr</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">CmmType</span> <span class="c1" style="color: #998; font-style: italic;">-- Read memory location</span></span>
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<td class="diff-line-num old_line" data-linenumber="58" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="58" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC58" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CmmReg</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">CmmReg</span> <span class="c1" style="color: #998; font-style: italic;">-- Contents of register</span></span>
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<td class="diff-line-num old_line" data-linenumber="59" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="59" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC59" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CmmMachOp</span> <span class="kt" style="color: #458; font-weight: 600;">MachOp</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CmmExpr</span><span class="p">]</span> <span class="c1" style="color: #998; font-style: italic;">-- Machine operation (+, -, *, etc.)</span></span>
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<td class="diff-line-num old_line" data-linenumber="60" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="60" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC60" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CmmStackSlot</span> <span class="kt" style="color: #458; font-weight: 600;">Area</span> <span class="cp" style="color: #999; font-weight: 600;">{-# UNPACK #-}</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">Int</span></span>
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<pre style="margin: 0;"> <span id="LC61" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- addressing expression of a stack slot</span></span>
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<pre style="margin: 0;"> <span id="LC62" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- See Note [CmmStackSlot aliasing]</span></span>
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<pre style="margin: 0;">-<span id="LC63" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CmmRegOff</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">CmmReg</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span></span>
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<pre style="margin: 0;">+<span id="LC63" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CmmRegOff</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">CmmReg</span> <span class="o" style="font-weight: 600;"><span class="idiff left right">!</span></span><span class="kt" style="color: #458; font-weight: 600;">Int</span></span>
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<pre style="margin: 0;"> <span id="LC64" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- CmmRegOff reg i</span></span>
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<pre style="margin: 0;"> <span id="LC65" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- ** is shorthand only, meaning **</span></span>
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<pre style="margin: 0;"> <span id="LC66" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- CmmMachOp (MO_Add rep) [x, CmmLit (CmmInt (fromIntegral i) rep)]</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -173,16 +173,16 @@ Now, the assignments of y go away,</td>
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<pre style="margin: 0;"> <span id="LC173" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;"> <span id="LC174" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC175" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span></span>
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<pre style="margin: 0;">-<span id="LC176" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">Integer</span> <span class="kt" style="color: #458; font-weight: 600;">Width</span></span>
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<pre style="margin: 0;">+<span id="LC176" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">Integer</span> <span class="o" style="font-weight: 600;"><span class="idiff left right">!</span></span><span class="kt" style="color: #458; font-weight: 600;">Width</span></span>
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<pre style="margin: 0;"> <span id="LC177" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Interpretation: the 2's complement representation of the value</span></span>
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<pre style="margin: 0;"> <span id="LC178" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- is truncated to the specified size. This is easier than trying</span></span>
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<pre style="margin: 0;"> <span id="LC179" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- to keep the value within range, because we don't know whether</span></span>
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<pre style="margin: 0;"> <span id="LC180" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- it will be used as a signed or unsigned value (the CmmType doesn't</span></span>
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<pre style="margin: 0;"> <span id="LC181" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- distinguish between signed & unsigned).</span></span>
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<pre style="margin: 0;">-<span id="LC182" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CmmFloat</span> <span class="kt" style="color: #458; font-weight: 600;">Rational</span> <span class="kt" style="color: #458; font-weight: 600;">Width</span></span>
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<pre style="margin: 0;">+<span id="LC182" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CmmFloat</span> <span class="kt" style="color: #458; font-weight: 600;">Rational</span> <span class="o" style="font-weight: 600;"><span class="idiff left right">!</span></span><span class="kt" style="color: #458; font-weight: 600;">Width</span></span>
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<pre style="margin: 0;"> <span id="LC183" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CmmVec</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CmmLit</span><span class="p">]</span> <span class="c1" style="color: #998; font-style: italic;">-- Vector literal</span></span>
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<pre style="margin: 0;"> <span id="LC184" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLabel</span> <span class="kt" style="color: #458; font-weight: 600;">CLabel</span> <span class="c1" style="color: #998; font-style: italic;">-- Address of label</span></span>
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<pre style="margin: 0;">-<span id="LC185" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLabelOff</span> <span class="kt" style="color: #458; font-weight: 600;">CLabel</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="c1" style="color: #998; font-style: italic;">-- Address of label + byte offset</span></span>
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185
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<pre style="margin: 0;">+<span id="LC185" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLabelOff</span> <span class="kt" style="color: #458; font-weight: 600;">CLabel</span> <span class="o" style="font-weight: 600;"><span class="idiff left right">!</span></span><span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="c1" style="color: #998; font-style: italic;">-- Address of label + byte offset</span></span>
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<pre style="margin: 0;"> <span id="LC186" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC187" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Due to limitations in the C backend, the following</span></span>
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<pre style="margin: 0;"> <span id="LC188" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- MUST ONLY be used inside the info table indicated by label2</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -191,7 +191,7 @@ data CmmLit</td>
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<pre style="margin: 0;"> <span id="LC191" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Don't use it at all unless tablesNextToCode.</span></span>
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192
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<pre style="margin: 0;"> <span id="LC192" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- It is also used inside the NCG during when generating</span></span>
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193
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<pre style="margin: 0;"> <span id="LC193" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- position-independent code.</span></span>
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<pre style="margin: 0;">-<span id="LC194" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLabelDiffOff</span> <span class="kt" style="color: #458; font-weight: 600;">CLabel</span> <span class="kt" style="color: #458; font-weight: 600;">CLabel</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Int</span></span><span class="idiff right"> </span><span class="kt" style="color: #458; font-weight: 600;">Width</span> <span class="c1" style="color: #998; font-style: italic;">-- label1 - label2 + offset</span></span>
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<pre style="margin: 0;">+<span id="LC194" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLabelDiffOff</span> <span class="kt" style="color: #458; font-weight: 600;">CLabel</span> <span class="kt" style="color: #458; font-weight: 600;">CLabel</span> <span class="o" style="font-weight: 600;"><span class="idiff left">!</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Int</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff right">!</span></span><span class="kt" style="color: #458; font-weight: 600;">Width</span> <span class="c1" style="color: #998; font-style: italic;">-- label1 - label2 + offset</span></span>
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<pre style="margin: 0;"> <span id="LC195" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- In an expression, the width just has the effect of MO_SS_Conv</span></span>
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<pre style="margin: 0;"> <span id="LC196" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- from wordWidth to the desired width.</span></span>
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<pre style="margin: 0;"> <span id="LC197" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -363,6 +363,7 @@ instance DefinerOfRegs LocalReg CmmReg where</td>
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<pre style="margin: 0;"> <span id="LC363" class="line" lang="haskell"> <span class="n" style="color: #333;">foldRegsDefd</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmGlobal</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">z</span></span>
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<pre style="margin: 0;"> <span id="LC364" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC365" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">UserOfRegs</span> <span class="kt" style="color: #458; font-weight: 600;">GlobalReg</span> <span class="kt" style="color: #458; font-weight: 600;">CmmReg</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC366" class="line" lang="haskell"> <span class="cp" style="color: #999; font-weight: 600;">{-# INLINEABLE foldRegsUsed #-}</span></span>
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<pre style="margin: 0;"> <span id="LC367" class="line" lang="haskell"> <span class="n" style="color: #333;">foldRegsUsed</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmLocal</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">z</span></span>
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<pre style="margin: 0;"> <span id="LC368" class="line" lang="haskell"> <span class="n" style="color: #333;">foldRegsUsed</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmGlobal</span> <span class="n" style="color: #333;">reg</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">reg</span></span>
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<pre style="margin: 0;"> <span id="LC369" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -379,6 +380,7 @@ instance Ord r => DefinerOfRegs r r where</td>
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379
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<pre style="margin: 0;"> <span id="LC380" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Ord</span> <span class="n" style="color: #333;">r</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">UserOfRegs</span> <span class="n" style="color: #333;">r</span> <span class="kt" style="color: #458; font-weight: 600;">CmmReg</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">UserOfRegs</span> <span class="n" style="color: #333;">r</span> <span class="kt" style="color: #458; font-weight: 600;">CmmExpr</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC381" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- The (Ord r) in the context is necessary here</span></span>
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<pre style="margin: 0;"> <span id="LC382" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Recursive superclasses] in GHC.Tc.TyCl.Instance</span></span>
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<pre style="margin: 0;">+<span id="LC383" class="line" lang="haskell"> <span class="cp" style="color: #999; font-weight: 600;">{-# INLINEABLE foldRegsUsed #-}</span></span>
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<pre style="margin: 0;"> <span id="LC384" class="line" lang="haskell"> <span class="n" style="color: #333;">foldRegsUsed</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">e</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">e</span></span>
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385
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<pre style="margin: 0;"> <span id="LC385" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">z</span></span>
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384
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386
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<pre style="margin: 0;"> <span id="LC386" class="line" lang="haskell"> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmLoad</span> <span class="n" style="color: #333;">addr</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldRegsUsed</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">addr</span></span>
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<li id="2d9f432ef2a75cf9ce101a5380b45e6cb06a42d0">
<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/ed940d47e8a4abdeb0ce54fcd8db46274713a248...e4f41000077c2da09b2ca7ffc623aefff21da6ee#2d9f432ef2a75cf9ce101a5380b45e6cb06a42d0"><strong>compiler/GHC/Cmm/LRegSet.hs</strong></a>
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE GADTs #-}</span></span>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE ScopedTypeVariables #-}</span></span>
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">GHC.Cmm.LRegSet</span> <span class="p">(</span></span>
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5
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">LRegKey</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"> <span class="nf" style="color: #900; font-weight: 600;">emptyLRegSet</span><span class="p">,</span></span>
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9
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"> <span class="nf" style="color: #900; font-weight: 600;">nullLRegSet</span><span class="p">,</span></span>
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10
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="haskell"> <span class="nf" style="color: #900; font-weight: 600;">insertLRegSet</span><span class="p">,</span></span>
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11
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"> <span class="nf" style="color: #900; font-weight: 600;">elemLRegSet</span><span class="p">,</span></span>
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12
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<pre style="margin: 0;">+<span id="LC12" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="haskell"> <span class="nf" style="color: #900; font-weight: 600;">deleteFromLRegSet</span><span class="p">,</span></span>
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14
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<pre style="margin: 0;">+<span id="LC14" class="line" lang="haskell"> <span class="nf" style="color: #900; font-weight: 600;">sizeLRegSet</span><span class="p">,</span></span>
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15
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<pre style="margin: 0;">+<span id="LC15" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC16" class="line" lang="haskell"> <span class="nf" style="color: #900; font-weight: 600;">plusLRegSet</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC17" class="line" lang="haskell"> <span class="nf" style="color: #900; font-weight: 600;">elemsLRegSet</span></span>
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<pre style="margin: 0;">+<span id="LC18" class="line" lang="haskell"> <span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC19" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC20" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Prelude</span></span>
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<pre style="margin: 0;">+<span id="LC21" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Unique</span></span>
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<pre style="margin: 0;">+<span id="LC22" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Cmm.Expr</span></span>
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<pre style="margin: 0;">+<span id="LC23" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC24" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.IntSet</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">IntSet</span></span>
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<pre style="margin: 0;">+<span id="LC25" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC26" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Compact sets for membership tests of local variables.</span></span>
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<pre style="margin: 0;">+<span id="LC27" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC28" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">IntSet</span></span>
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<pre style="margin: 0;">+<span id="LC29" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">LRegKey</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span></span>
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<pre style="margin: 0;">+<span id="LC30" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC31" class="line" lang="haskell"><span class="n" style="color: #333;">emptyLRegSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span></span>
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<pre style="margin: 0;">+<span id="LC32" class="line" lang="haskell"><span class="n" style="color: #333;">emptyLRegSet</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">empty</span></span>
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<pre style="margin: 0;">+<span id="LC33" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC34" class="line" lang="haskell"><span class="n" style="color: #333;">nullLRegSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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<pre style="margin: 0;">+<span id="LC35" class="line" lang="haskell"><span class="n" style="color: #333;">nullLRegSet</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">null</span></span>
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<pre style="margin: 0;">+<span id="LC36" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC37" class="line" lang="haskell"><span class="n" style="color: #333;">insertLRegSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span></span>
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<pre style="margin: 0;">+<span id="LC38" class="line" lang="haskell"><span class="n" style="color: #333;">insertLRegSet</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">insert</span> <span class="p">(</span><span class="n" style="color: #333;">getKey</span> <span class="p">(</span><span class="n" style="color: #333;">getUnique</span> <span class="n" style="color: #333;">l</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC39" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC40" class="line" lang="haskell"><span class="n" style="color: #333;">elemLRegSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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<pre style="margin: 0;">+<span id="LC41" class="line" lang="haskell"><span class="n" style="color: #333;">elemLRegSet</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">member</span> <span class="p">(</span><span class="n" style="color: #333;">getKey</span> <span class="p">(</span><span class="n" style="color: #333;">getUnique</span> <span class="n" style="color: #333;">l</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC43" class="line" lang="haskell"><span class="n" style="color: #333;">deleteFromLRegSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span></span>
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<pre style="margin: 0;">+<span id="LC44" class="line" lang="haskell"><span class="n" style="color: #333;">deleteFromLRegSet</span> <span class="n" style="color: #333;">set</span> <span class="n" style="color: #333;">reg</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">delete</span> <span class="p">(</span><span class="n" style="color: #333;">getKey</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">getUnique</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">reg</span><span class="p">)</span> <span class="n" style="color: #333;">set</span></span>
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<pre style="margin: 0;">+<span id="LC45" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC46" class="line" lang="haskell"><span class="n" style="color: #333;">sizeLRegSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Int</span></span>
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<pre style="margin: 0;">+<span id="LC47" class="line" lang="haskell"><span class="n" style="color: #333;">sizeLRegSet</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">size</span></span>
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<pre style="margin: 0;">+<span id="LC48" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC49" class="line" lang="haskell"><span class="n" style="color: #333;">plusLRegSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span></span>
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<pre style="margin: 0;">+<span id="LC50" class="line" lang="haskell"><span class="n" style="color: #333;">plusLRegSet</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">union</span></span>
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<pre style="margin: 0;">+<span id="LC51" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC52" class="line" lang="haskell"><span class="n" style="color: #333;">elemsLRegSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Int</span><span class="p">]</span></span>
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<pre style="margin: 0;">+<span id="LC53" class="line" lang="haskell"><span class="n" style="color: #333;">elemsLRegSet</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">toList</span></span></pre>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/ed940d47e8a4abdeb0ce54fcd8db46274713a248...e4f41000077c2da09b2ca7ffc623aefff21da6ee#95111d27913460e138e20c87f610b61c3745ab2b"><strong>compiler/GHC/Cmm/Liveness.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -6,9 +6,12 @@</td>
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">GHC.Cmm.Liveness</span></span>
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<pre style="margin: 0;"> <span id="LC7" class="line" lang="haskell"> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLocalLive</span></span>
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<pre style="margin: 0;"> <span id="LC8" class="line" lang="haskell"> <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">cmmLocalLiveness</span></span>
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"> <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">cmmLocalLivenessL</span></span>
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<pre style="margin: 0;"> <span id="LC10" class="line" lang="haskell"> <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">cmmGlobalLiveness</span></span>
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<pre style="margin: 0;"> <span id="LC11" class="line" lang="haskell"> <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">liveLattice</span></span>
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<pre style="margin: 0;">+<span id="LC12" class="line" lang="haskell"> <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">liveLatticeL</span></span>
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<pre style="margin: 0;"> <span id="LC13" class="line" lang="haskell"> <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">gen_kill</span></span>
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<pre style="margin: 0;">+<span id="LC14" class="line" lang="haskell"> <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">gen_killL</span></span>
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<pre style="margin: 0;"> <span id="LC15" class="line" lang="haskell"> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC16" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC17" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -22,11 +25,14 @@ import GHC.Cmm.Dataflow.Block</td>
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<pre style="margin: 0;"> <span id="LC25" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Cmm.Dataflow.Collections</span></span>
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<pre style="margin: 0;"> <span id="LC26" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Cmm.Dataflow</span></span>
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<pre style="margin: 0;"> <span id="LC27" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Cmm.Dataflow.Label</span></span>
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<pre style="margin: 0;">+<span id="LC28" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Cmm.LRegSet</span></span>
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<pre style="margin: 0;"> <span id="LC29" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC30" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.Maybe</span></span>
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<pre style="margin: 0;"> <span id="LC31" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Outputable</span></span>
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<pre style="margin: 0;"> <span id="LC32" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Panic</span></span>
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<pre style="margin: 0;"> <span id="LC33" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC34" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Unique</span></span>
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<pre style="margin: 0;">+<span id="LC35" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC36" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-----------------------------------------------------------------------------</span></span>
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<pre style="margin: 0;"> <span id="LC37" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Calculating what variables are live on entry to a basic block</span></span>
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<pre style="margin: 0;"> <span id="LC38" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-----------------------------------------------------------------------------</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -92,3 +98,66 @@ xferLive platform (BlockCC eNode middle xNode) fBase =</td>
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<pre style="margin: 0;"> <span id="LC98" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">mapSingleton</span> <span class="p">(</span><span class="n" style="color: #333;">entryLabel</span> <span class="n" style="color: #333;">eNode</span><span class="p">)</span> <span class="n" style="color: #333;">result</span></span>
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<pre style="margin: 0;"> <span id="LC99" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE xferLive :: Platform -> TransferFun (CmmLive LocalReg) #-}</span></span>
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<pre style="margin: 0;"> <span id="LC100" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE xferLive :: Platform -> TransferFun (CmmLive GlobalReg) #-}</span></span>
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<pre style="margin: 0;">+<span id="LC101" class="line" lang="haskell"></span>
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102
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<pre style="margin: 0;">+<span id="LC102" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-----------------------------------------------------------------------------</span></span>
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103
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<pre style="margin: 0;">+<span id="LC103" class="line" lang="haskell"><span class="cd">-- | Specialization that only retains the keys for local variables.</span></span>
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104
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<pre style="margin: 0;">+<span id="LC104" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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105
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<pre style="margin: 0;">+<span id="LC105" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Local variablas are mostly glorified Ints, and some parts of the compiler</span></span>
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106
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<pre style="margin: 0;">+<span id="LC106" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- really don't care about anything but the Int part. So we can avoid some</span></span>
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107
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<pre style="margin: 0;">+<span id="LC107" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- overhead by computing a IntSet instead of a Set LocalReg which (unsurprisingly)</span></span>
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108
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<pre style="margin: 0;">+<span id="LC108" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- is quite a bit faster.</span></span>
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109
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<pre style="margin: 0;">+<span id="LC109" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-----------------------------------------------------------------------------</span></span>
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110
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<pre style="margin: 0;">+<span id="LC110" class="line" lang="haskell"></span>
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111
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<pre style="margin: 0;">+<span id="LC111" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">BlockEntryLivenessL</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">LabelMap</span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span></span>
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112
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<pre style="margin: 0;">+<span id="LC112" class="line" lang="haskell"></span>
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113
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<pre style="margin: 0;">+<span id="LC113" class="line" lang="haskell"><span class="cd">-- | The dataflow lattice</span></span>
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114
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<pre style="margin: 0;">+<span id="LC114" class="line" lang="haskell"><span class="n" style="color: #333;">liveLatticeL</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DataflowLattice</span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span></span>
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115
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<pre style="margin: 0;">+<span id="LC115" class="line" lang="haskell"><span class="n" style="color: #333;">liveLatticeL</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">DataflowLattice</span> <span class="n" style="color: #333;">emptyLRegSet</span> <span class="n" style="color: #333;">add</span></span>
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116
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<pre style="margin: 0;">+<span id="LC116" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
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117
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<pre style="margin: 0;">+<span id="LC117" class="line" lang="haskell"> <span class="n" style="color: #333;">add</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">OldFact</span> <span class="n" style="color: #333;">old</span><span class="p">)</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NewFact</span> <span class="n" style="color: #333;">new</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span></span>
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118
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<pre style="margin: 0;">+<span id="LC118" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">let</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">join</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">plusLRegSet</span> <span class="n" style="color: #333;">old</span> <span class="n" style="color: #333;">new</span></span>
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119
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<pre style="margin: 0;">+<span id="LC119" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">changedIf</span> <span class="p">(</span><span class="n" style="color: #333;">sizeLRegSet</span> <span class="n" style="color: #333;">join</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">sizeLRegSet</span> <span class="n" style="color: #333;">old</span><span class="p">)</span> <span class="n" style="color: #333;">join</span></span>
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<pre style="margin: 0;">+<span id="LC120" class="line" lang="haskell"></span>
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121
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<pre style="margin: 0;">+<span id="LC121" class="line" lang="haskell"></span>
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122
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<pre style="margin: 0;">+<span id="LC122" class="line" lang="haskell"><span class="n" style="color: #333;">cmmLocalLivenessL</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Platform</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmmGraph</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">BlockEntryLivenessL</span></span>
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123
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<pre style="margin: 0;">+<span id="LC123" class="line" lang="haskell"><span class="n" style="color: #333;">cmmLocalLivenessL</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">graph</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;">+<span id="LC124" class="line" lang="haskell"> <span class="n" style="color: #333;">check</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">analyzeCmmBwd</span> <span class="n" style="color: #333;">liveLatticeL</span> <span class="p">(</span><span class="n" style="color: #333;">xferLiveL</span> <span class="n" style="color: #333;">platform</span><span class="p">)</span> <span class="n" style="color: #333;">graph</span> <span class="n" style="color: #333;">mapEmpty</span></span>
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125
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<pre style="margin: 0;">+<span id="LC125" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
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126
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<pre style="margin: 0;">+<span id="LC126" class="line" lang="haskell"> <span class="n" style="color: #333;">entry</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">g_entry</span> <span class="n" style="color: #333;">graph</span></span>
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127
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<pre style="margin: 0;">+<span id="LC127" class="line" lang="haskell"> <span class="n" style="color: #333;">check</span> <span class="n" style="color: #333;">facts</span> <span class="o" style="font-weight: 600;">=</span></span>
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128
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<pre style="margin: 0;">+<span id="LC128" class="line" lang="haskell"> <span class="n" style="color: #333;">noLiveOnEntryL</span> <span class="n" style="color: #333;">entry</span> <span class="p">(</span><span class="n" style="color: #333;">expectJust</span> <span class="s" style="color: #d14;">"check"</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mapLookup</span> <span class="n" style="color: #333;">entry</span> <span class="n" style="color: #333;">facts</span><span class="p">)</span> <span class="n" style="color: #333;">facts</span></span>
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129
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<pre style="margin: 0;">+<span id="LC129" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC130" class="line" lang="haskell"><span class="cd">-- | On entry to the procedure, there had better not be any LocalReg's live-in.</span></span>
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131
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<pre style="margin: 0;">+<span id="LC131" class="line" lang="haskell"><span class="n" style="color: #333;">noLiveOnEntryL</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">BlockId</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>
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132
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<pre style="margin: 0;">+<span id="LC132" class="line" lang="haskell"><span class="n" style="color: #333;">noLiveOnEntryL</span> <span class="n" style="color: #333;">bid</span> <span class="n" style="color: #333;">in_fact</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span></span>
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133
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<pre style="margin: 0;">+<span id="LC133" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">nullLRegSet</span> <span class="n" style="color: #333;">in_fact</span> <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">x</span></span>
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134
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<pre style="margin: 0;">+<span id="LC134" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">pprPanic</span> <span class="s" style="color: #d14;">"LocalReg's live-in to graph"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">bid</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">reg_uniques</span><span class="p">)</span></span>
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135
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<pre style="margin: 0;">+<span id="LC135" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC136" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- We convert the int's to uniques so that the printing matches that</span></span>
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<pre style="margin: 0;">+<span id="LC137" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- of registers.</span></span>
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<pre style="margin: 0;">+<span id="LC138" class="line" lang="haskell"> <span class="n" style="color: #333;">reg_uniques</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">mkUniqueGrimily</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">elemsLRegSet</span> <span class="n" style="color: #333;">in_fact</span></span>
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139
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<pre style="margin: 0;">+<span id="LC139" class="line" lang="haskell"></span>
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140
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<pre style="margin: 0;">+<span id="LC140" class="line" lang="haskell"></span>
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141
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<pre style="margin: 0;">+<span id="LC141" class="line" lang="haskell"></span>
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142
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<pre style="margin: 0;">+<span id="LC142" class="line" lang="haskell"></span>
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143
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<pre style="margin: 0;">+<span id="LC143" class="line" lang="haskell"><span class="n" style="color: #333;">gen_killL</span></span>
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144
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<pre style="margin: 0;">+<span id="LC144" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DefinerOfRegs</span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="n" style="color: #333;">n</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">UserOfRegs</span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="n" style="color: #333;">n</span><span class="p">)</span></span>
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145
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<pre style="margin: 0;">+<span id="LC145" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Platform</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span></span>
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<pre style="margin: 0;">+<span id="LC146" class="line" lang="haskell"><span class="n" style="color: #333;">gen_killL</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">node</span> <span class="n" style="color: #333;">set</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;">+<span id="LC147" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">let</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">afterKill</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldRegsDefd</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">deleteFromLRegSet</span> <span class="n" style="color: #333;">set</span> <span class="n" style="color: #333;">node</span></span>
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148
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<pre style="margin: 0;">+<span id="LC148" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">foldRegsUsed</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="n" style="color: #333;">flip</span> <span class="n" style="color: #333;">insertLRegSet</span><span class="p">)</span> <span class="n" style="color: #333;">afterKill</span> <span class="n" style="color: #333;">node</span></span>
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149
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<pre style="margin: 0;">+<span id="LC149" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# INLINE gen_killL #-}</span></span>
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<pre style="margin: 0;">+<span id="LC150" class="line" lang="haskell"></span>
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151
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<pre style="margin: 0;">+<span id="LC151" class="line" lang="haskell"><span class="n" style="color: #333;">xferLiveL</span></span>
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152
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<pre style="margin: 0;">+<span id="LC152" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">UserOfRegs</span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="kt" style="color: #458; font-weight: 600;">O</span> <span class="kt" style="color: #458; font-weight: 600;">O</span><span class="p">)</span></span>
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153
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<pre style="margin: 0;">+<span id="LC153" class="line" lang="haskell"> <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">DefinerOfRegs</span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="kt" style="color: #458; font-weight: 600;">O</span> <span class="kt" style="color: #458; font-weight: 600;">O</span><span class="p">)</span></span>
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154
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<pre style="margin: 0;">+<span id="LC154" class="line" lang="haskell"> <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">UserOfRegs</span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="kt" style="color: #458; font-weight: 600;">O</span> <span class="kt" style="color: #458; font-weight: 600;">C</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC155" class="line" lang="haskell"> <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">DefinerOfRegs</span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="kt" style="color: #458; font-weight: 600;">O</span> <span class="kt" style="color: #458; font-weight: 600;">C</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC156" class="line" lang="haskell"> <span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC157" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Platform</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TransferFun</span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span></span>
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158
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<pre style="margin: 0;">+<span id="LC158" class="line" lang="haskell"><span class="n" style="color: #333;">xferLiveL</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BlockCC</span> <span class="n" style="color: #333;">eNode</span> <span class="n" style="color: #333;">middle</span> <span class="n" style="color: #333;">xNode</span><span class="p">)</span> <span class="n" style="color: #333;">fBase</span> <span class="o" style="font-weight: 600;">=</span></span>
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159
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<pre style="margin: 0;">+<span id="LC159" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">joined</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gen_killL</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">xNode</span> <span class="o" style="font-weight: 600;">$!</span> <span class="n" style="color: #333;">joinOutFacts</span> <span class="n" style="color: #333;">liveLatticeL</span> <span class="n" style="color: #333;">xNode</span> <span class="n" style="color: #333;">fBase</span></span>
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160
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<pre style="margin: 0;">+<span id="LC160" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">result</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldNodesBwdOO</span> <span class="p">(</span><span class="n" style="color: #333;">gen_killL</span> <span class="n" style="color: #333;">platform</span><span class="p">)</span> <span class="n" style="color: #333;">middle</span> <span class="n" style="color: #333;">joined</span></span>
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161
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<pre style="margin: 0;">+<span id="LC161" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">mapSingleton</span> <span class="p">(</span><span class="n" style="color: #333;">entryLabel</span> <span class="n" style="color: #333;">eNode</span><span class="p">)</span> <span class="n" style="color: #333;">result</span></span>
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162
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<pre style="margin: 0;">+<span id="LC162" class="line" lang="haskell"></span>
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163
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<pre style="margin: 0;">+<span id="LC163" class="line" lang="haskell"></span></pre>
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<li id="90378e83c3a00a78bc0b3c01da111e0a787de451">
<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/ed940d47e8a4abdeb0ce54fcd8db46274713a248...e4f41000077c2da09b2ca7ffc623aefff21da6ee#90378e83c3a00a78bc0b3c01da111e0a787de451"><strong>compiler/GHC/Cmm/Node.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -318,6 +318,7 @@ foreignTargetHints target</td>
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318
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318
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<pre style="margin: 0;"> <span id="LC318" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Instances of register and slot users / definers</span></span>
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<pre style="margin: 0;"> <span id="LC319" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC320" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">UserOfRegs</span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="n" style="color: #333;">e</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC321" class="line" lang="haskell"> <span class="cp" style="color: #999; font-weight: 600;">{-# INLINEABLE foldRegsUsed #-}</span></span>
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<pre style="margin: 0;"> <span id="LC322" class="line" lang="haskell"> <span class="n" style="color: #333;">foldRegsUsed</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">n</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;"> <span id="LC323" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmAssign</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">expr</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">fold</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">expr</span></span>
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<pre style="margin: 0;"> <span id="LC324" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmStore</span> <span class="n" style="color: #333;">addr</span> <span class="n" style="color: #333;">rval</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">fold</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="n" style="color: #333;">fold</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">addr</span><span class="p">)</span> <span class="n" style="color: #333;">rval</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -332,6 +333,7 @@ instance UserOfRegs LocalReg (CmmNode e x) where</td>
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<pre style="margin: 0;"> <span id="LC333" class="line" lang="haskell"> <span class="n" style="color: #333;">fold</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldRegsUsed</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">n</span></span>
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<pre style="margin: 0;"> <span id="LC334" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC335" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">UserOfRegs</span> <span class="kt" style="color: #458; font-weight: 600;">GlobalReg</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="n" style="color: #333;">e</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC336" class="line" lang="haskell"> <span class="cp" style="color: #999; font-weight: 600;">{-# INLINEABLE foldRegsUsed #-}</span></span>
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<pre style="margin: 0;"> <span id="LC337" class="line" lang="haskell"> <span class="n" style="color: #333;">foldRegsUsed</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">n</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;"> <span id="LC338" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmAssign</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">expr</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">fold</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">expr</span></span>
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<pre style="margin: 0;"> <span id="LC339" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmStore</span> <span class="n" style="color: #333;">addr</span> <span class="n" style="color: #333;">rval</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">fold</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="n" style="color: #333;">fold</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">addr</span><span class="p">)</span> <span class="n" style="color: #333;">rval</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -348,10 +350,12 @@ instance UserOfRegs GlobalReg (CmmNode e x) where</td>
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<pre style="margin: 0;"> <span id="LC350" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Ord</span> <span class="n" style="color: #333;">r</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">UserOfRegs</span> <span class="n" style="color: #333;">r</span> <span class="kt" style="color: #458; font-weight: 600;">CmmReg</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">UserOfRegs</span> <span class="n" style="color: #333;">r</span> <span class="kt" style="color: #458; font-weight: 600;">ForeignTarget</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC351" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- The (Ord r) in the context is necessary here</span></span>
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<pre style="margin: 0;"> <span id="LC352" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Recursive superclasses] in GHC.Tc.TyCl.Instance</span></span>
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<pre style="margin: 0;">+<span id="LC353" class="line" lang="haskell"> <span class="cp" style="color: #999; font-weight: 600;">{-# INLINEABLE foldRegsUsed #-}</span></span>
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<pre style="margin: 0;"> <span id="LC354" class="line" lang="haskell"> <span class="n" style="color: #333;">foldRegsUsed</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PrimTarget</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">z</span></span>
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<pre style="margin: 0;"> <span id="LC355" class="line" lang="haskell"> <span class="n" style="color: #333;">foldRegsUsed</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ForeignTarget</span> <span class="n" style="color: #333;">e</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldRegsUsed</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">e</span></span>
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<pre style="margin: 0;"> <span id="LC356" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC357" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">DefinerOfRegs</span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="n" style="color: #333;">e</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC358" class="line" lang="haskell"> <span class="cp" style="color: #999; font-weight: 600;">{-# INLINEABLE foldRegsDefd #-}</span></span>
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<pre style="margin: 0;"> <span id="LC359" class="line" lang="haskell"> <span class="n" style="color: #333;">foldRegsDefd</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">n</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;"> <span id="LC360" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmAssign</span> <span class="n" style="color: #333;">lhs</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">fold</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">lhs</span></span>
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<pre style="margin: 0;"> <span id="LC361" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmUnsafeForeignCall</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">fs</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">fold</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">fs</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -362,6 +366,7 @@ instance DefinerOfRegs LocalReg (CmmNode e x) where</td>
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<pre style="margin: 0;"> <span id="LC366" class="line" lang="haskell"> <span class="n" style="color: #333;">fold</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldRegsDefd</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">n</span></span>
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<pre style="margin: 0;"> <span id="LC367" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC368" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">DefinerOfRegs</span> <span class="kt" style="color: #458; font-weight: 600;">GlobalReg</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="n" style="color: #333;">e</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC369" class="line" lang="haskell"> <span class="cp" style="color: #999; font-weight: 600;">{-# INLINEABLE foldRegsDefd #-}</span></span>
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<pre style="margin: 0;"> <span id="LC370" class="line" lang="haskell"> <span class="n" style="color: #333;">foldRegsDefd</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">n</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;"> <span id="LC371" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmAssign</span> <span class="n" style="color: #333;">lhs</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">fold</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">lhs</span></span>
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<pre style="margin: 0;"> <span id="LC372" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmUnsafeForeignCall</span> <span class="n" style="color: #333;">tgt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">fold</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="n" style="color: #333;">foreignTargetRegs</span> <span class="n" style="color: #333;">tgt</span><span class="p">)</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/ed940d47e8a4abdeb0ce54fcd8db46274713a248...e4f41000077c2da09b2ca7ffc623aefff21da6ee#00c27365316e033b00cc3ed3854ac8714d25a2b5"><strong>compiler/GHC/Cmm/Opt.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -58,7 +58,7 @@ cmmMachOpFoldM</td>
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<pre style="margin: 0;"> <span id="LC58" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">CmmExpr</span></span>
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<pre style="margin: 0;"> <span id="LC59" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC60" class="line" lang="haskell"><span class="n" style="color: #333;">cmmMachOpFoldM</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">op</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">rep</span><span class="p">)]</span></span>
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<pre style="margin: 0;">-<span id="LC61" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">op</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;">+<span id="LC61" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">op</span> <span class="kr" style="font-weight: 600;">of</span></span>
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62
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<pre style="margin: 0;"> <span id="LC62" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Neg</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="o" style="font-weight: 600;">-</span><span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC63" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Not</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">complement</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC64" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -90,13 +90,13 @@ cmmMachOpFoldM platform conv_outer [CmmMachOp conv_inner [x]]</td>
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<pre style="margin: 0;"> <span id="LC90" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- but remember to use the signedness from the widening, just in case</span></span>
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<pre style="margin: 0;"> <span id="LC91" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- the final conversion is a widen.</span></span>
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<pre style="margin: 0;"> <span id="LC92" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">rep1</span> <span class="o" style="font-weight: 600;"><</span> <span class="n" style="color: #333;">rep2</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">rep2</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">rep3</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;">-<span id="LC93" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="n" style="color: #333;">intconv</span> <span class="n" style="color: #333;">signed1</span> <span class="n" style="color: #333;">rep1</span> <span class="n" style="color: #333;">rep3</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">]</span></span>
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<pre style="margin: 0;">+<span id="LC93" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="n" style="color: #333;">intconv</span> <span class="n" style="color: #333;">signed1</span> <span class="n" style="color: #333;">rep1</span> <span class="n" style="color: #333;">rep3</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">]</span></span>
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94
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<pre style="margin: 0;"> <span id="LC94" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Nested widenings: collapse if the signedness is the same</span></span>
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<pre style="margin: 0;"> <span id="LC95" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">rep1</span> <span class="o" style="font-weight: 600;"><</span> <span class="n" style="color: #333;">rep2</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">rep2</span> <span class="o" style="font-weight: 600;"><</span> <span class="n" style="color: #333;">rep3</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">signed1</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">signed2</span> <span class="o" style="font-weight: 600;">-></span></span>
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96
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<pre style="margin: 0;">-<span id="LC96" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="n" style="color: #333;">intconv</span> <span class="n" style="color: #333;">signed1</span> <span class="n" style="color: #333;">rep1</span> <span class="n" style="color: #333;">rep3</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">]</span></span>
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<td class="diff-line-num new old_line" data-linenumber="97" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC96" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="n" style="color: #333;">intconv</span> <span class="n" style="color: #333;">signed1</span> <span class="n" style="color: #333;">rep1</span> <span class="n" style="color: #333;">rep3</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">]</span></span>
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97
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<pre style="margin: 0;"> <span id="LC97" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Nested narrowings: collapse</span></span>
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98
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98
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<pre style="margin: 0;"> <span id="LC98" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">rep1</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">rep2</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">rep2</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">rep3</span> <span class="o" style="font-weight: 600;">-></span></span>
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99
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<pre style="margin: 0;">-<span id="LC99" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_UU_Conv</span> <span class="n" style="color: #333;">rep1</span> <span class="n" style="color: #333;">rep3</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">]</span></span>
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<pre style="margin: 0;">+<span id="LC99" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_UU_Conv</span> <span class="n" style="color: #333;">rep1</span> <span class="n" style="color: #333;">rep3</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">]</span></span>
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100
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<pre style="margin: 0;"> <span id="LC100" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">-></span></span>
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101
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101
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<pre style="margin: 0;"> <span id="LC101" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
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102
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102
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<pre style="margin: 0;"> <span id="LC102" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -117,34 +117,34 @@ cmmMachOpFoldM platform mop [CmmLit (CmmInt x xrep), CmmLit (CmmInt y _)]</td>
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<pre style="margin: 0;"> <span id="LC117" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">mop</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;"> <span id="LC118" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- for comparisons: don't forget to narrow the arguments before</span></span>
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<pre style="margin: 0;"> <span id="LC119" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- comparing, since they might be out of range.</span></span>
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<pre style="margin: 0;">-<span id="LC120" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Eq</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_u</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">y_u</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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121
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<pre style="margin: 0;">-<span id="LC121" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Ne</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_u</span> <span class="o" style="font-weight: 600;">/=</span> <span class="n" style="color: #333;">y_u</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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<pre style="margin: 0;">-<span id="LC122" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC123" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Gt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_u</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">y_u</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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<pre style="margin: 0;">-<span id="LC124" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Ge</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_u</span> <span class="o" style="font-weight: 600;">>=</span> <span class="n" style="color: #333;">y_u</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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<pre style="margin: 0;">-<span id="LC125" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Lt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_u</span> <span class="o" style="font-weight: 600;"><</span> <span class="n" style="color: #333;">y_u</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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<pre style="margin: 0;">-<span id="LC126" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Le</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_u</span> <span class="o" style="font-weight: 600;"><=</span> <span class="n" style="color: #333;">y_u</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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<pre style="margin: 0;">-<span id="LC127" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC128" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Gt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_s</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">y_s</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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<pre style="margin: 0;">-<span id="LC129" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Ge</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_s</span> <span class="o" style="font-weight: 600;">>=</span> <span class="n" style="color: #333;">y_s</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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130
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<pre style="margin: 0;">-<span id="LC130" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Lt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_s</span> <span class="o" style="font-weight: 600;"><</span> <span class="n" style="color: #333;">y_s</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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131
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<pre style="margin: 0;">-<span id="LC131" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Le</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_s</span> <span class="o" style="font-weight: 600;"><=</span> <span class="n" style="color: #333;">y_s</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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132
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<pre style="margin: 0;">-<span id="LC132" class="line" lang="haskell"></span>
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<td class="diff-line-num old old_line" data-linenumber="133" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
133
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<pre style="margin: 0;">-<span id="LC133" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Add</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="134" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
134
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<pre style="margin: 0;">-<span id="LC134" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Sub</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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135
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<pre style="margin: 0;">-<span id="LC135" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Mul</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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136
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<pre style="margin: 0;">-<span id="LC136" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Quot</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;">/=</span> <span class="mi" style="color: #099;">0</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x_u</span> <span class="p">`</span><span class="n" style="color: #333;">quot</span><span class="p">`</span> <span class="n" style="color: #333;">y_u</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="137" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
137
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<pre style="margin: 0;">-<span id="LC137" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Rem</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;">/=</span> <span class="mi" style="color: #099;">0</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x_u</span> <span class="p">`</span><span class="n" style="color: #333;">rem</span><span class="p">`</span> <span class="n" style="color: #333;">y_u</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
138
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<pre style="margin: 0;">-<span id="LC138" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Quot</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;">/=</span> <span class="mi" style="color: #099;">0</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="p">`</span><span class="n" style="color: #333;">quot</span><span class="p">`</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="139" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
139
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<pre style="margin: 0;">-<span id="LC139" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Rem</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;">/=</span> <span class="mi" style="color: #099;">0</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="p">`</span><span class="n" style="color: #333;">rem</span><span class="p">`</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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140
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<pre style="margin: 0;">-<span id="LC140" class="line" lang="haskell"></span>
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<td class="diff-line-num old old_line" data-linenumber="141" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
141
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<pre style="margin: 0;">-<span id="LC141" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_And</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">.&.</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="142" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
142
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<pre style="margin: 0;">-<span id="LC142" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Or</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">.|.</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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143
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<pre style="margin: 0;">-<span id="LC143" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Xor</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="p">`</span><span class="n" style="color: #333;">xor</span><span class="p">`</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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144
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<pre style="margin: 0;">-<span id="LC144" class="line" lang="haskell"></span>
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145
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<pre style="margin: 0;">-<span id="LC145" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Shl</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="p">`</span><span class="n" style="color: #333;">shiftL</span><span class="p">`</span> <span class="n" style="color: #333;">fromIntegral</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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146
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<pre style="margin: 0;">-<span id="LC146" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Shr</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x_u</span> <span class="p">`</span><span class="n" style="color: #333;">shiftR</span><span class="p">`</span> <span class="n" style="color: #333;">fromIntegral</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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147
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<pre style="margin: 0;">-<span id="LC147" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Shr</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="p">`</span><span class="n" style="color: #333;">shiftR</span><span class="p">`</span> <span class="n" style="color: #333;">fromIntegral</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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120
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<pre style="margin: 0;">+<span id="LC120" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Eq</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_u</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">y_u</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC121" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Ne</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_u</span> <span class="o" style="font-weight: 600;">/=</span> <span class="n" style="color: #333;">y_u</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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122
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<pre style="margin: 0;">+<span id="LC122" class="line" lang="haskell"></span>
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123
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<pre style="margin: 0;">+<span id="LC123" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Gt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_u</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">y_u</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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<td class="diff-line-num new new_line" data-linenumber="124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
124
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<pre style="margin: 0;">+<span id="LC124" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Ge</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_u</span> <span class="o" style="font-weight: 600;">>=</span> <span class="n" style="color: #333;">y_u</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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<td class="diff-line-num new new_line" data-linenumber="125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
125
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<pre style="margin: 0;">+<span id="LC125" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Lt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_u</span> <span class="o" style="font-weight: 600;"><</span> <span class="n" style="color: #333;">y_u</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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<td class="diff-line-num new new_line" data-linenumber="126" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
126
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<pre style="margin: 0;">+<span id="LC126" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Le</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_u</span> <span class="o" style="font-weight: 600;"><=</span> <span class="n" style="color: #333;">y_u</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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<td class="diff-line-num new new_line" data-linenumber="127" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
127
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<pre style="margin: 0;">+<span id="LC127" class="line" lang="haskell"></span>
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<td class="diff-line-num new new_line" data-linenumber="128" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
128
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<pre style="margin: 0;">+<span id="LC128" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Gt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_s</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">y_s</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
</pre>
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129
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<pre style="margin: 0;">+<span id="LC129" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Ge</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_s</span> <span class="o" style="font-weight: 600;">>=</span> <span class="n" style="color: #333;">y_s</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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<td class="diff-line-num new new_line" data-linenumber="130" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
130
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<pre style="margin: 0;">+<span id="LC130" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Lt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_s</span> <span class="o" style="font-weight: 600;"><</span> <span class="n" style="color: #333;">y_s</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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<td class="diff-line-num new new_line" data-linenumber="131" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
131
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<pre style="margin: 0;">+<span id="LC131" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Le</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">x_s</span> <span class="o" style="font-weight: 600;"><=</span> <span class="n" style="color: #333;">y_s</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">1</span> <span class="kr" style="font-weight: 600;">else</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">wordWidth</span> <span class="n" style="color: #333;">platform</span><span class="p">))</span></span>
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<td class="diff-line-num new new_line" data-linenumber="132" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
132
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<pre style="margin: 0;">+<span id="LC132" class="line" lang="haskell"></span>
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<td class="diff-line-num new new_line" data-linenumber="133" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
133
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<pre style="margin: 0;">+<span id="LC133" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Add</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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<td class="diff-line-num new old_line" data-linenumber="148" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="134" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
134
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<pre style="margin: 0;">+<span id="LC134" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Sub</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="135" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
135
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<pre style="margin: 0;">+<span id="LC135" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Mul</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="136" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
136
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<pre style="margin: 0;">+<span id="LC136" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Quot</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;">/=</span> <span class="mi" style="color: #099;">0</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x_u</span> <span class="p">`</span><span class="n" style="color: #333;">quot</span><span class="p">`</span> <span class="n" style="color: #333;">y_u</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="137" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
137
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<pre style="margin: 0;">+<span id="LC137" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Rem</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;">/=</span> <span class="mi" style="color: #099;">0</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x_u</span> <span class="p">`</span><span class="n" style="color: #333;">rem</span><span class="p">`</span> <span class="n" style="color: #333;">y_u</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
138
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<pre style="margin: 0;">+<span id="LC138" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Quot</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;">/=</span> <span class="mi" style="color: #099;">0</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="p">`</span><span class="n" style="color: #333;">quot</span><span class="p">`</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="139" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
139
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<pre style="margin: 0;">+<span id="LC139" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Rem</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;">/=</span> <span class="mi" style="color: #099;">0</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="p">`</span><span class="n" style="color: #333;">rem</span><span class="p">`</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="140" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
140
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<pre style="margin: 0;">+<span id="LC140" class="line" lang="haskell"></span>
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<td class="diff-line-num new new_line" data-linenumber="141" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
141
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<pre style="margin: 0;">+<span id="LC141" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_And</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">.&.</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="142" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
142
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<pre style="margin: 0;">+<span id="LC142" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Or</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">.|.</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
</pre>
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143
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<pre style="margin: 0;">+<span id="LC143" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Xor</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="p">`</span><span class="n" style="color: #333;">xor</span><span class="p">`</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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144
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<pre style="margin: 0;">+<span id="LC144" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC145" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Shl</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="p">`</span><span class="n" style="color: #333;">shiftL</span><span class="p">`</span> <span class="n" style="color: #333;">fromIntegral</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="146" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
146
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<pre style="margin: 0;">+<span id="LC146" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Shr</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x_u</span> <span class="p">`</span><span class="n" style="color: #333;">shiftR</span><span class="p">`</span> <span class="n" style="color: #333;">fromIntegral</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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147
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<pre style="margin: 0;">+<span id="LC147" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Shr</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="p">`</span><span class="n" style="color: #333;">shiftR</span><span class="p">`</span> <span class="n" style="color: #333;">fromIntegral</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
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148
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148
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<pre style="margin: 0;"> <span id="LC148" class="line" lang="haskell"></span>
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149
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149
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<pre style="margin: 0;"> <span id="LC149" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
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150
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150
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<pre style="margin: 0;"> <span id="LC150" class="line" lang="haskell"></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="162" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="162" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -162,7 +162,7 @@ cmmMachOpFoldM platform mop [CmmLit (CmmInt x xrep), CmmLit (CmmInt y _)]</td>
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162
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162
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<pre style="margin: 0;"> <span id="LC162" class="line" lang="haskell"></span>
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163
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<pre style="margin: 0;"> <span id="LC163" class="line" lang="haskell"><span class="n" style="color: #333;">cmmMachOpFoldM</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">op</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">),</span> <span class="n" style="color: #333;">y</span><span class="p">]</span></span>
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164
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164
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<pre style="margin: 0;"> <span id="LC164" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">isLit</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">isCommutableMachOp</span> <span class="n" style="color: #333;">op</span></span>
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165
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<pre style="margin: 0;">-<span id="LC165" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">op</span> <span class="p">[</span><span class="n" style="color: #333;">y</span><span class="p">,</span> <span class="n" style="color: #333;">x</span><span class="p">])</span></span>
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165
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<pre style="margin: 0;">+<span id="LC165" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;"><span class="idiff left">$!</span></span><span class="idiff right"> </span><span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">op</span> <span class="p">[</span><span class="n" style="color: #333;">y</span><span class="p">,</span> <span class="n" style="color: #333;">x</span><span class="p">])</span></span>
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166
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166
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<pre style="margin: 0;"> <span id="LC166" class="line" lang="haskell"></span>
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167
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167
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<pre style="margin: 0;"> <span id="LC167" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Turn (a+b)+c into a+(b+c) where possible. Because literals are</span></span>
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168
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168
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<pre style="margin: 0;"> <span id="LC168" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- moved to the right, it is more likely that we will find</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="183" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="183" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -183,7 +183,7 @@ cmmMachOpFoldM platform op [x@(CmmLit _), y]</td>
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183
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183
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<pre style="margin: 0;"> <span id="LC183" class="line" lang="haskell"><span class="n" style="color: #333;">cmmMachOpFoldM</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">mop1</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CmmMachOp</span> <span class="n" style="color: #333;">mop2</span> <span class="p">[</span><span class="n" style="color: #333;">arg1</span><span class="p">,</span><span class="n" style="color: #333;">arg2</span><span class="p">],</span> <span class="n" style="color: #333;">arg3</span><span class="p">]</span></span>
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184
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<pre style="margin: 0;"> <span id="LC184" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">mop2</span> <span class="p">`</span><span class="n" style="color: #333;">associates_with</span><span class="p">`</span> <span class="n" style="color: #333;">mop1</span></span>
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185
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185
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<pre style="margin: 0;"> <span id="LC185" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">isLit</span> <span class="n" style="color: #333;">arg1</span><span class="p">)</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">isPicReg</span> <span class="n" style="color: #333;">arg1</span><span class="p">)</span></span>
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186
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<pre style="margin: 0;">-<span id="LC186" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">mop2</span> <span class="p">[</span><span class="n" style="color: #333;">arg1</span><span class="p">,</span> <span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">mop1</span> <span class="p">[</span><span class="n" style="color: #333;">arg2</span><span class="p">,</span><span class="n" style="color: #333;">arg3</span><span class="p">]])</span></span>
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186
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<pre style="margin: 0;">+<span id="LC186" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;"><span class="idiff left">$!</span></span><span class="idiff right"> </span><span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">mop2</span> <span class="p">[</span><span class="n" style="color: #333;">arg1</span><span class="p">,</span> <span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">mop1</span> <span class="p">[</span><span class="n" style="color: #333;">arg2</span><span class="p">,</span><span class="n" style="color: #333;">arg3</span><span class="p">]])</span></span>
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187
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187
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<pre style="margin: 0;"> <span id="LC187" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
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188
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188
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<pre style="margin: 0;"> <span id="LC188" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Add</span><span class="p">{}</span> <span class="p">`</span><span class="n" style="color: #333;">associates_with</span><span class="p">`</span> <span class="kt" style="color: #458; font-weight: 600;">MO_Sub</span><span class="p">{}</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
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189
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189
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<pre style="margin: 0;"> <span id="LC189" class="line" lang="haskell"> <span class="n" style="color: #333;">mop1</span> <span class="p">`</span><span class="n" style="color: #333;">associates_with</span><span class="p">`</span> <span class="n" style="color: #333;">mop2</span> <span class="o" style="font-weight: 600;">=</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="192" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="192" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -192,7 +192,7 @@ cmmMachOpFoldM platform mop1 [CmmMachOp mop2 [arg1,arg2], arg3]</td>
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192
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192
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<pre style="margin: 0;"> <span id="LC192" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- special case: (a - b) + c ==> a + (c - b)</span></span>
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193
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193
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<pre style="margin: 0;"> <span id="LC193" class="line" lang="haskell"><span class="n" style="color: #333;">cmmMachOpFoldM</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">mop1</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Add</span><span class="p">{})</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CmmMachOp</span> <span class="n" style="color: #333;">mop2</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Sub</span><span class="p">{})</span> <span class="p">[</span><span class="n" style="color: #333;">arg1</span><span class="p">,</span><span class="n" style="color: #333;">arg2</span><span class="p">],</span> <span class="n" style="color: #333;">arg3</span><span class="p">]</span></span>
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194
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194
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<pre style="margin: 0;"> <span id="LC194" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">isLit</span> <span class="n" style="color: #333;">arg1</span><span class="p">)</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">isPicReg</span> <span class="n" style="color: #333;">arg1</span><span class="p">)</span></span>
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195
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<pre style="margin: 0;">-<span id="LC195" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">mop1</span> <span class="p">[</span><span class="n" style="color: #333;">arg1</span><span class="p">,</span> <span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">mop2</span> <span class="p">[</span><span class="n" style="color: #333;">arg3</span><span class="p">,</span><span class="n" style="color: #333;">arg2</span><span class="p">]])</span></span>
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<pre style="margin: 0;">+<span id="LC195" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;"><span class="idiff left">$!</span></span><span class="idiff right"> </span><span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">mop1</span> <span class="p">[</span><span class="n" style="color: #333;">arg1</span><span class="p">,</span> <span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">mop2</span> <span class="p">[</span><span class="n" style="color: #333;">arg3</span><span class="p">,</span><span class="n" style="color: #333;">arg2</span><span class="p">]])</span></span>
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196
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196
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<pre style="margin: 0;"> <span id="LC196" class="line" lang="haskell"></span>
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197
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197
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<pre style="margin: 0;"> <span id="LC197" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- special case: (PicBaseReg + lit) + N ==> PicBaseReg + (lit+N)</span></span>
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198
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198
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<pre style="margin: 0;"> <span id="LC198" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="205" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -205,27 +205,27 @@ cmmMachOpFoldM platform mop1@(MO_Add{}) [CmmMachOp mop2@(MO_Sub{}) [arg1,arg2],</td>
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205
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<pre style="margin: 0;"> <span id="LC205" class="line" lang="haskell"><span class="n" style="color: #333;">cmmMachOpFoldM</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kt" style="color: #458; font-weight: 600;">MO_Add</span><span class="p">{}</span> <span class="p">[</span> <span class="kt" style="color: #458; font-weight: 600;">CmmMachOp</span> <span class="n" style="color: #333;">op</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">MO_Add</span><span class="p">{}</span> <span class="p">[</span><span class="n" style="color: #333;">pic</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="n" style="color: #333;">lit</span><span class="p">]</span></span>
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206
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<pre style="margin: 0;"> <span id="LC206" class="line" lang="haskell"> <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span> <span class="p">]</span></span>
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<pre style="margin: 0;"> <span id="LC207" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isPicReg</span> <span class="n" style="color: #333;">pic</span></span>
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<pre style="margin: 0;">-<span id="LC208" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmMachOp</span> <span class="n" style="color: #333;">op</span> <span class="p">[</span><span class="n" style="color: #333;">pic</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">cmmOffsetLit</span> <span class="n" style="color: #333;">lit</span> <span class="n" style="color: #333;">off</span> <span class="p">]</span></span>
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<pre style="margin: 0;">+<span id="LC208" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmMachOp</span> <span class="n" style="color: #333;">op</span> <span class="p">[</span><span class="n" style="color: #333;">pic</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">cmmOffsetLit</span> <span class="n" style="color: #333;">lit</span> <span class="n" style="color: #333;">off</span> <span class="p">]</span></span>
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209
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<pre style="margin: 0;"> <span id="LC209" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span> <span class="n" style="color: #333;">off</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">narrowS</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">n</span><span class="p">)</span></span>
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210
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<pre style="margin: 0;"> <span id="LC210" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC211" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Make a RegOff if we can</span></span>
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<pre style="margin: 0;"> <span id="LC212" class="line" lang="haskell"><span class="n" style="color: #333;">cmmMachOpFoldM</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Add</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CmmReg</span> <span class="n" style="color: #333;">reg</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">rep</span><span class="p">)]</span></span>
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213
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<pre style="margin: 0;">-<span id="LC213" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">cmmRegOff</span> <span class="n" style="color: #333;">reg</span> <span class="p">(</span><span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">narrowS</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">n</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC213" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="n" style="color: #333;">cmmRegOff</span> <span class="n" style="color: #333;">reg</span> <span class="p">(</span><span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">narrowS</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">n</span><span class="p">))</span></span>
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<pre style="margin: 0;"> <span id="LC214" class="line" lang="haskell"><span class="n" style="color: #333;">cmmMachOpFoldM</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Add</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CmmRegOff</span> <span class="n" style="color: #333;">reg</span> <span class="n" style="color: #333;">off</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">rep</span><span class="p">)]</span></span>
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215
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<pre style="margin: 0;">-<span id="LC215" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">cmmRegOff</span> <span class="n" style="color: #333;">reg</span> <span class="p">(</span><span class="n" style="color: #333;">off</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">narrowS</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">n</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC215" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="n" style="color: #333;">cmmRegOff</span> <span class="n" style="color: #333;">reg</span> <span class="p">(</span><span class="n" style="color: #333;">off</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">narrowS</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">n</span><span class="p">))</span></span>
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216
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<pre style="margin: 0;"> <span id="LC216" class="line" lang="haskell"><span class="n" style="color: #333;">cmmMachOpFoldM</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Sub</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CmmReg</span> <span class="n" style="color: #333;">reg</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">rep</span><span class="p">)]</span></span>
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<pre style="margin: 0;">-<span id="LC217" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">cmmRegOff</span> <span class="n" style="color: #333;">reg</span> <span class="p">(</span><span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">narrowS</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">n</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC217" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="n" style="color: #333;">cmmRegOff</span> <span class="n" style="color: #333;">reg</span> <span class="p">(</span><span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">narrowS</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">n</span><span class="p">))</span></span>
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<pre style="margin: 0;"> <span id="LC218" class="line" lang="haskell"><span class="n" style="color: #333;">cmmMachOpFoldM</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Sub</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CmmRegOff</span> <span class="n" style="color: #333;">reg</span> <span class="n" style="color: #333;">off</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">rep</span><span class="p">)]</span></span>
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<pre style="margin: 0;">-<span id="LC219" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">cmmRegOff</span> <span class="n" style="color: #333;">reg</span> <span class="p">(</span><span class="n" style="color: #333;">off</span> <span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">narrowS</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">n</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC219" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="n" style="color: #333;">cmmRegOff</span> <span class="n" style="color: #333;">reg</span> <span class="p">(</span><span class="n" style="color: #333;">off</span> <span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">narrowS</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">n</span><span class="p">))</span></span>
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<pre style="margin: 0;"> <span id="LC220" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC221" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Fold label(+/-)offset into a CmmLit where possible</span></span>
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<pre style="margin: 0;"> <span id="LC222" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC223" class="line" lang="haskell"><span class="n" style="color: #333;">cmmMachOpFoldM</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Add</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="n" style="color: #333;">lit</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">i</span> <span class="n" style="color: #333;">rep</span><span class="p">)]</span></span>
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<pre style="margin: 0;">-<span id="LC224" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="n" style="color: #333;">cmmOffsetLit</span> <span class="n" style="color: #333;">lit</span> <span class="p">(</span><span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">narrowU</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">i</span><span class="p">)))</span></span>
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<pre style="margin: 0;">+<span id="LC224" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="n" style="color: #333;">cmmOffsetLit</span> <span class="n" style="color: #333;">lit</span> <span class="p">(</span><span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">narrowU</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">i</span><span class="p">)))</span></span>
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<pre style="margin: 0;"> <span id="LC225" class="line" lang="haskell"><span class="n" style="color: #333;">cmmMachOpFoldM</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Add</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">i</span> <span class="n" style="color: #333;">rep</span><span class="p">),</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="n" style="color: #333;">lit</span><span class="p">]</span></span>
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<pre style="margin: 0;">-<span id="LC226" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="n" style="color: #333;">cmmOffsetLit</span> <span class="n" style="color: #333;">lit</span> <span class="p">(</span><span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">narrowU</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">i</span><span class="p">)))</span></span>
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<pre style="margin: 0;">+<span id="LC226" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="n" style="color: #333;">cmmOffsetLit</span> <span class="n" style="color: #333;">lit</span> <span class="p">(</span><span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">narrowU</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">i</span><span class="p">)))</span></span>
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<pre style="margin: 0;"> <span id="LC227" class="line" lang="haskell"><span class="n" style="color: #333;">cmmMachOpFoldM</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Sub</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="n" style="color: #333;">lit</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">i</span> <span class="n" style="color: #333;">rep</span><span class="p">)]</span></span>
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<pre style="margin: 0;">-<span id="LC228" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="n" style="color: #333;">cmmOffsetLit</span> <span class="n" style="color: #333;">lit</span> <span class="p">(</span><span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">negate</span> <span class="p">(</span><span class="n" style="color: #333;">narrowU</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">i</span><span class="p">))))</span></span>
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<pre style="margin: 0;">+<span id="LC228" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="n" style="color: #333;">cmmOffsetLit</span> <span class="n" style="color: #333;">lit</span> <span class="p">(</span><span class="n" style="color: #333;">fromIntegral</span> <span class="p">(</span><span class="n" style="color: #333;">negate</span> <span class="p">(</span><span class="n" style="color: #333;">narrowU</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">i</span><span class="p">))))</span></span>
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<pre style="margin: 0;"> <span id="LC229" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC230" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC231" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Comparison of literal with widened operand: perform the comparison</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -245,7 +245,7 @@ cmmMachOpFoldM platform cmp [CmmMachOp conv [x], CmmLit (CmmInt i _)]</td>
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<pre style="margin: 0;"> <span id="LC245" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- and the literal fits in the smaller size:</span></span>
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<pre style="margin: 0;"> <span id="LC246" class="line" lang="haskell"> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">narrow_fn</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">i</span></span>
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<pre style="margin: 0;"> <span id="LC247" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- then we can do the comparison at the smaller size</span></span>
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<pre style="margin: 0;">-<span id="LC248" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">narrow_cmp</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">i</span> <span class="n" style="color: #333;">rep</span><span class="p">)])</span></span>
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<pre style="margin: 0;">+<span id="LC248" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;"><span class="idiff left">$!</span></span><span class="idiff right"> </span><span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">narrow_cmp</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">i</span> <span class="n" style="color: #333;">rep</span><span class="p">)])</span></span>
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<pre style="margin: 0;"> <span id="LC249" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC250" class="line" lang="haskell"> <span class="n" style="color: #333;">maybe_conversion</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_UU_Conv</span> <span class="n" style="color: #333;">from</span> <span class="n" style="color: #333;">to</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC251" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">to</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">from</span></span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="320" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -320,8 +320,8 @@ cmmMachOpFoldM platform mop [x, (CmmLit (CmmInt 1 rep))]</td>
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<pre style="margin: 0;"> <span id="LC320" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Mul</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">x</span></span>
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<pre style="margin: 0;"> <span id="LC321" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Quot</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">x</span></span>
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<pre style="margin: 0;"> <span id="LC322" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Quot</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">x</span></span>
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<pre style="margin: 0;">-<span id="LC323" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Rem</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="mi" style="color: #099;">0</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC324" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Rem</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="mi" style="color: #099;">0</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC323" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Rem</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="mi" style="color: #099;">0</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC324" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Rem</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$<span class="idiff left right">!</span></span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="mi" style="color: #099;">0</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC325" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC326" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Comparisons; trickier</span></span>
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<pre style="margin: 0;"> <span id="LC327" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Comparison operators]</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -346,18 +346,18 @@ cmmMachOpFoldM platform mop [x, (CmmLit (CmmInt n _))]</td>
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<pre style="margin: 0;"> <span id="LC346" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">mop</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;"> <span id="LC347" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_Mul</span> <span class="n" style="color: #333;">rep</span></span>
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348
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348
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<pre style="margin: 0;"> <span id="LC348" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">p</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">exactLog2</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span></span>
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349
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<pre style="margin: 0;">-<span id="LC349" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Shl</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">p</span> <span class="n" style="color: #333;">rep</span><span class="p">)])</span></span>
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<pre style="margin: 0;">+<span id="LC349" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;"><span class="idiff left">$!</span></span><span class="idiff right"> </span><span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Shl</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">p</span> <span class="n" style="color: #333;">rep</span><span class="p">)])</span></span>
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350
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<pre style="margin: 0;"> <span id="LC350" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Quot</span> <span class="n" style="color: #333;">rep</span></span>
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351
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351
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<pre style="margin: 0;"> <span id="LC351" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">p</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">exactLog2</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span></span>
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352
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<pre style="margin: 0;">-<span id="LC352" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_U_Shr</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">p</span> <span class="n" style="color: #333;">rep</span><span class="p">)])</span></span>
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<pre style="margin: 0;">+<span id="LC352" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;"><span class="idiff left">$!</span></span><span class="idiff right"> </span><span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_U_Shr</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">p</span> <span class="n" style="color: #333;">rep</span><span class="p">)])</span></span>
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<pre style="margin: 0;"> <span id="LC353" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_U_Rem</span> <span class="n" style="color: #333;">rep</span></span>
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<pre style="margin: 0;"> <span id="LC354" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">exactLog2</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span></span>
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355
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<pre style="margin: 0;">-<span id="LC355" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_And</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-</span> <span class="mi" style="color: #099;">1</span><span class="p">)</span> <span class="n" style="color: #333;">rep</span><span class="p">)])</span></span>
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<pre style="margin: 0;">+<span id="LC355" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;"><span class="idiff left">$!</span></span><span class="idiff right"> </span><span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_And</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-</span> <span class="mi" style="color: #099;">1</span><span class="p">)</span> <span class="n" style="color: #333;">rep</span><span class="p">)])</span></span>
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<pre style="margin: 0;"> <span id="LC356" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Quot</span> <span class="n" style="color: #333;">rep</span></span>
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<pre style="margin: 0;"> <span id="LC357" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">p</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">exactLog2</span> <span class="n" style="color: #333;">n</span><span class="p">,</span></span>
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358
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<pre style="margin: 0;"> <span id="LC358" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmReg</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="c1" style="color: #998; font-style: italic;">-- We duplicate x in signedQuotRemHelper, hence require</span></span>
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359
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<pre style="margin: 0;"> <span id="LC359" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- it is a reg. FIXME: remove this restriction.</span></span>
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<pre style="margin: 0;">-<span id="LC360" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_S_Shr</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC360" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;"><span class="idiff left">$!</span></span><span class="idiff right"> </span><span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_S_Shr</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC361" class="line" lang="haskell"> <span class="p">[</span><span class="n" style="color: #333;">signedQuotRemHelper</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">p</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">p</span> <span class="n" style="color: #333;">rep</span><span class="p">)])</span></span>
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<pre style="margin: 0;"> <span id="LC362" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MO_S_Rem</span> <span class="n" style="color: #333;">rep</span></span>
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<pre style="margin: 0;"> <span id="LC363" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">p</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">exactLog2</span> <span class="n" style="color: #333;">n</span><span class="p">,</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -366,7 +366,7 @@ cmmMachOpFoldM platform mop [x, (CmmLit (CmmInt n _))]</td>
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<pre style="margin: 0;"> <span id="LC366" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- We replace (x `rem` 2^p) by (x - (x `quot` 2^p) * 2^p).</span></span>
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<pre style="margin: 0;"> <span id="LC367" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Moreover, we fuse MO_S_Shr (last operation of MO_S_Quot)</span></span>
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<pre style="margin: 0;"> <span id="LC368" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- and MO_S_Shl (multiplication by 2^p) into a single MO_And operation.</span></span>
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<pre style="margin: 0;">-<span id="LC369" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Sub</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC369" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;"><span class="idiff left">$!</span></span><span class="idiff right"> </span><span class="p">(</span><span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Sub</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC370" class="line" lang="haskell"> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_And</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC371" class="line" lang="haskell"> <span class="p">[</span><span class="n" style="color: #333;">signedQuotRemHelper</span> <span class="n" style="color: #333;">rep</span> <span class="n" style="color: #333;">p</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">n</span><span class="p">)</span> <span class="n" style="color: #333;">rep</span><span class="p">)]])</span></span>
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<pre style="margin: 0;"> <span id="LC372" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/ed940d47e8a4abdeb0ce54fcd8db46274713a248...e4f41000077c2da09b2ca7ffc623aefff21da6ee#b1390f6749e1a2dddcae35f88d55623ea6269f56"><strong>compiler/GHC/Cmm/Sink.hs</strong></a>
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1
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<pre style="margin: 0;"> <span id="LC1" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE GADTs #-}</span></span>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE ScopedTypeVariables #-}</span></span>
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"></span>
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2
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">GHC.Cmm.Sink</span> <span class="p">(</span></span>
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3
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5
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<pre style="margin: 0;"> <span id="LC5" class="line" lang="haskell"> <span class="nf" style="color: #900; font-weight: 600;">cmmSink</span></span>
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4
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6
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="haskell"> <span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -8,6 +10,7 @@ import GHC.Prelude</td>
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8
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<pre style="margin: 0;"> <span id="LC10" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Cmm</span></span>
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<pre style="margin: 0;"> <span id="LC11" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Cmm.Opt</span></span>
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<pre style="margin: 0;"> <span id="LC12" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Cmm.Liveness</span></span>
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Cmm.LRegSet</span></span>
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<pre style="margin: 0;"> <span id="LC14" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Cmm.Utils</span></span>
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<pre style="margin: 0;"> <span id="LC15" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Cmm.Dataflow.Block</span></span>
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<pre style="margin: 0;"> <span id="LC16" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Cmm.Dataflow.Label</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -16,29 +19,13 @@ import GHC.Cmm.Dataflow.Graph</td>
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<pre style="margin: 0;"> <span id="LC19" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Platform.Regs</span></span>
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<pre style="margin: 0;"> <span id="LC20" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC21" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Platform</span></span>
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<pre style="margin: 0;">-<span id="LC19" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Unique</span></span>
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<pre style="margin: 0;"> <span id="LC22" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Unique.FM</span></span>
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<pre style="margin: 0;"> <span id="LC23" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC24" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Data.IntSet</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">IntSet</span></span>
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<pre style="margin: 0;"> <span id="LC25" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.List</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">partition</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC24" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Data.Set</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">Set</span></span>
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<pre style="margin: 0;"> <span id="LC26" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Maybe</span></span>
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<pre style="margin: 0;"> <span id="LC27" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC27" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Compact sets for membership tests of local variables.</span></span>
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<pre style="margin: 0;">-<span id="LC28" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC29" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">IntSet</span></span>
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<pre style="margin: 0;">-<span id="LC30" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC31" class="line" lang="haskell"><span class="n" style="color: #333;">emptyLRegSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span></span>
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<pre style="margin: 0;">-<span id="LC32" class="line" lang="haskell"><span class="n" style="color: #333;">emptyLRegSet</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">empty</span></span>
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<pre style="margin: 0;">-<span id="LC33" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC34" class="line" lang="haskell"><span class="n" style="color: #333;">nullLRegSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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<pre style="margin: 0;">-<span id="LC35" class="line" lang="haskell"><span class="n" style="color: #333;">nullLRegSet</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">null</span></span>
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<pre style="margin: 0;">-<span id="LC36" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC37" class="line" lang="haskell"><span class="n" style="color: #333;">insertLRegSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span></span>
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<pre style="margin: 0;">-<span id="LC38" class="line" lang="haskell"><span class="n" style="color: #333;">insertLRegSet</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">insert</span> <span class="p">(</span><span class="n" style="color: #333;">getKey</span> <span class="p">(</span><span class="n" style="color: #333;">getUnique</span> <span class="n" style="color: #333;">l</span><span class="p">))</span></span>
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<pre style="margin: 0;">-<span id="LC39" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC40" class="line" lang="haskell"><span class="n" style="color: #333;">elemLRegSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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<pre style="margin: 0;">-<span id="LC41" class="line" lang="haskell"><span class="n" style="color: #333;">elemLRegSet</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">member</span> <span class="p">(</span><span class="n" style="color: #333;">getKey</span> <span class="p">(</span><span class="n" style="color: #333;">getUnique</span> <span class="n" style="color: #333;">l</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC28" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Exts</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">inline</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC29" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC30" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- -----------------------------------------------------------------------------</span></span>
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<pre style="margin: 0;"> <span id="LC31" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Sinking and inlining</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -167,8 +154,8 @@ type Assignments = [Assignment]</td>
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<pre style="margin: 0;"> <span id="LC154" class="line" lang="haskell"><span class="n" style="color: #333;">cmmSink</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Platform</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmmGraph</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmmGraph</span></span>
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<pre style="margin: 0;"> <span id="LC155" class="line" lang="haskell"><span class="n" style="color: #333;">cmmSink</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">graph</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ofBlockList</span> <span class="p">(</span><span class="n" style="color: #333;">g_entry</span> <span class="n" style="color: #333;">graph</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">sink</span> <span class="n" style="color: #333;">mapEmpty</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">blocks</span></span>
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<pre style="margin: 0;"> <span id="LC156" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC170" class="line" lang="haskell"> <span class="n" style="color: #333;">liveness</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cmmLocalLiveness</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">graph</span></span>
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<pre style="margin: 0;">-<span id="LC171" class="line" lang="haskell"> <span class="n" style="color: #333;">getLive</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapFindWithDefault</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Set</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff right">empty</span></span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">liveness</span></span>
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<pre style="margin: 0;">+<span id="LC157" class="line" lang="haskell"> <span class="n" style="color: #333;">liveness</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cmmLocalLiveness<span class="idiff left right">L</span></span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">graph</span></span>
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<pre style="margin: 0;">+<span id="LC158" class="line" lang="haskell"> <span class="n" style="color: #333;">getLive</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapFindWithDefault</span> <span class="n" style="color: #333;"><span class="idiff left right">emptyLRegSet</span></span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">liveness</span></span>
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159
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<pre style="margin: 0;"> <span id="LC159" class="line" lang="haskell"></span>
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160
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<pre style="margin: 0;"> <span id="LC160" class="line" lang="haskell"> <span class="n" style="color: #333;">blocks</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">revPostorder</span> <span class="n" style="color: #333;">graph</span></span>
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174
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161
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<pre style="margin: 0;"> <span id="LC161" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -188,8 +175,8 @@ cmmSink platform graph = ofBlockList (g_entry graph) $ sink mapEmpty $ blocks</td>
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188
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175
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<pre style="margin: 0;"> <span id="LC175" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Annotate the middle nodes with the registers live *after*</span></span>
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189
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176
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<pre style="margin: 0;"> <span id="LC176" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- the node. This will help us decide whether we can inline</span></span>
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190
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<pre style="margin: 0;"> <span id="LC177" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- an assignment in the current node or not.</span></span>
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191
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<pre style="margin: 0;">-<span id="LC191" class="line" lang="haskell"> <span class="n" style="color: #333;">live</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Set</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">unions</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">getLive</span> <span class="n" style="color: #333;">succs</span><span class="p">)</span></span>
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192
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<pre style="margin: 0;">-<span id="LC192" class="line" lang="haskell"> <span class="n" style="color: #333;">live_middle</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gen_kill</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">last</span> <span class="n" style="color: #333;">live</span></span>
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178
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<pre style="margin: 0;">+<span id="LC178" class="line" lang="haskell"> <span class="n" style="color: #333;">live</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Int</span>Set</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">unions</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">getLive</span> <span class="n" style="color: #333;">succs</span><span class="p">)</span></span>
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179
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<pre style="margin: 0;">+<span id="LC179" class="line" lang="haskell"> <span class="n" style="color: #333;">live_middle</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gen_kill<span class="idiff left right">L</span></span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">last</span> <span class="n" style="color: #333;">live</span></span>
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<pre style="margin: 0;"> <span id="LC180" class="line" lang="haskell"> <span class="n" style="color: #333;">ann_middles</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">annotate</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">live_middle</span> <span class="p">(</span><span class="n" style="color: #333;">blockToList</span> <span class="n" style="color: #333;">middle</span><span class="p">)</span></span>
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194
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181
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<pre style="margin: 0;"> <span id="LC181" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC182" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Now sink and inline in this block</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -201,7 +188,7 @@ cmmSink platform graph = ofBlockList (g_entry graph) $ sink mapEmpty $ blocks</td>
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201
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<pre style="margin: 0;"> <span id="LC188" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- one predecessor), so identify the join points and the set</span></span>
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202
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<pre style="margin: 0;"> <span id="LC189" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- of registers live in them.</span></span>
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203
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<pre style="margin: 0;"> <span id="LC190" class="line" lang="haskell"> <span class="p">(</span><span class="n" style="color: #333;">joins</span><span class="p">,</span> <span class="n" style="color: #333;">nonjoins</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">partition</span> <span class="p">(`</span><span class="n" style="color: #333;">mapMember</span><span class="p">`</span> <span class="n" style="color: #333;">join_pts</span><span class="p">)</span> <span class="n" style="color: #333;">succs</span></span>
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204
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<pre style="margin: 0;">-<span id="LC204" class="line" lang="haskell"> <span class="n" style="color: #333;">live_in_joins</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Set</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">unions</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">getLive</span> <span class="n" style="color: #333;">joins</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC191" class="line" lang="haskell"> <span class="n" style="color: #333;">live_in_joins</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Int</span>Set</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">unions</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">getLive</span> <span class="n" style="color: #333;">joins</span><span class="p">)</span></span>
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205
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<pre style="margin: 0;"> <span id="LC192" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC193" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- We do not want to sink an assignment into multiple branches,</span></span>
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<pre style="margin: 0;"> <span id="LC194" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- so identify the set of registers live in multiple successors.</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -210,26 +197,28 @@ cmmSink platform graph = ofBlockList (g_entry graph) $ sink mapEmpty $ blocks</td>
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<pre style="margin: 0;"> <span id="LC197" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- now live in multiple branches.</span></span>
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<pre style="margin: 0;"> <span id="LC198" class="line" lang="haskell"> <span class="n" style="color: #333;">init_live_sets</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">getLive</span> <span class="n" style="color: #333;">nonjoins</span></span>
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<pre style="margin: 0;"> <span id="LC199" class="line" lang="haskell"> <span class="n" style="color: #333;">live_in_multi</span> <span class="n" style="color: #333;">live_sets</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span></span>
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213
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<pre style="margin: 0;">-<span id="LC213" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">filter</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Set</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff right">member</span></span> <span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="n" style="color: #333;">live_sets</span> <span class="kr" style="font-weight: 600;">of</span></span>
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200
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<pre style="margin: 0;">+<span id="LC200" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">filter</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">elemLRegSet</span></span> <span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="n" style="color: #333;">live_sets</span> <span class="kr" style="font-weight: 600;">of</span></span>
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214
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<pre style="margin: 0;"> <span id="LC201" class="line" lang="haskell"> <span class="p">(</span><span class="n" style="color: #333;">_one</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">_two</span><span class="o" style="font-weight: 600;">:</span><span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
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215
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<pre style="margin: 0;"> <span id="LC202" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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<pre style="margin: 0;"> <span id="LC203" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC204" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Now, drop any assignments that we will not sink any further.</span></span>
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<pre style="margin: 0;"> <span id="LC205" class="line" lang="haskell"> <span class="p">(</span><span class="n" style="color: #333;">dropped_last</span><span class="p">,</span> <span class="n" style="color: #333;">assigs''</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dropAssignments</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">drop_if</span> <span class="n" style="color: #333;">init_live_sets</span> <span class="n" style="color: #333;">assigs'</span></span>
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<pre style="margin: 0;"> <span id="LC206" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC207" class="line" lang="haskell"> <span class="n" style="color: #333;">drop_if</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LocalReg</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmExpr</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">AbsMem</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC208" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">LRegSet</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bool</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">LRegSet</span><span class="p">])</span></span>
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<pre style="margin: 0;"> <span id="LC209" class="line" lang="haskell"> <span class="n" style="color: #333;">drop_if</span> <span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="n" style="color: #333;">r</span><span class="p">,</span><span class="n" style="color: #333;">rhs</span><span class="p">,</span><span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="n" style="color: #333;">live_sets</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">should_drop</span><span class="p">,</span> <span class="n" style="color: #333;">live_sets'</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC210" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC211" class="line" lang="haskell"> <span class="n" style="color: #333;">should_drop</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">conflicts</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">final_last</span></span>
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<pre style="margin: 0;"> <span id="LC212" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">isTrivial</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">rhs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">live_in_multi</span> <span class="n" style="color: #333;">live_sets</span> <span class="n" style="color: #333;">r</span></span>
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<pre style="margin: 0;">-<span id="LC224" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">r</span> <span class="p">`</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Set</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff right">member</span></span><span class="p">`</span> <span class="n" style="color: #333;">live_in_joins</span></span>
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<pre style="margin: 0;">+<span id="LC213" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">r</span> <span class="p">`</span><span class="n" style="color: #333;"><span class="idiff left right">elemLRegSet</span></span><span class="p">`</span> <span class="n" style="color: #333;">live_in_joins</span></span>
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<pre style="margin: 0;"> <span id="LC214" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC215" class="line" lang="haskell"> <span class="n" style="color: #333;">live_sets'</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">should_drop</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">live_sets</span></span>
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<pre style="margin: 0;"> <span id="LC216" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">upd</span> <span class="n" style="color: #333;">live_sets</span></span>
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<pre style="margin: 0;"> <span id="LC217" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC229" class="line" lang="haskell"> <span class="n" style="color: #333;">upd</span> <span class="n" style="color: #333;">set</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">r</span> <span class="p">`</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Set</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">member</span></span><span class="p"><span class="idiff">`</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">set</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">set</span></span><span class="idiff"> </span><span class="p"><span class="idiff right">`</span></span><span class="kt" style="color: #458; font-weight: 600;">Set</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">union</span><span class="p">`</span> <span class="n" style="color: #333;">live_rhs</span></span>
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<pre style="margin: 0;">+<span id="LC218" class="line" lang="haskell"> <span class="n" style="color: #333;">upd</span> <span class="n" style="color: #333;">set</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">r</span> <span class="p">`</span><span class="n" style="color: #333;"><span class="idiff left">elemLRegSet</span></span><span class="p"><span class="idiff">`</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">set</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">set</span></span><span class="idiff"> </span><span class="p"><span class="idiff">`</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Int</span>Set</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">union</span><span class="p">`</span> <span class="n" style="color: #333;">live_rhs</span></span>
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<pre style="margin: 0;"> <span id="LC219" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">set</span></span>
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<pre style="margin: 0;"> <span id="LC220" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC232" class="line" lang="haskell"> <span class="n" style="color: #333;">live_rhs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldRegsUsed</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;"><span class="idiff left">extendRegSet</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">empty</span>RegSet</span> <span class="n" style="color: #333;">rhs</span></span>
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<pre style="margin: 0;">+<span id="LC221" class="line" lang="haskell"> <span class="n" style="color: #333;">live_rhs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldRegsUsed</span> <span class="n" style="color: #333;">platform</span> <span class="p"><span class="idiff left">(</span></span><span class="n" style="color: #333;"><span class="idiff">flip</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">insertLRegSet</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">emptyL</span>RegSet</span> <span class="n" style="color: #333;">rhs</span></span>
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<pre style="margin: 0;"> <span id="LC222" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC223" class="line" lang="haskell"> <span class="n" style="color: #333;">final_middle</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldl'</span> <span class="n" style="color: #333;">blockSnoc</span> <span class="n" style="color: #333;">middle'</span> <span class="n" style="color: #333;">dropped_last</span></span>
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<pre style="margin: 0;"> <span id="LC224" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -266,9 +255,9 @@ isTrivial _ _ = False</td>
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<pre style="margin: 0;"> <span id="LC255" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;"> <span id="LC256" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- annotate each node with the set of registers live *after* the node</span></span>
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<pre style="margin: 0;"> <span id="LC257" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;">-<span id="LC269" class="line" lang="haskell"><span class="n" style="color: #333;">annotate</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Platform</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">L<span class="idiff left">ocalRegSet</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CmmNode</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">O</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">O</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">[(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Local</span>RegSet</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="kt" style="color: #458; font-weight: 600;">O</span> <span class="kt" style="color: #458; font-weight: 600;">O</span><span class="p">)]</span></span>
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<pre style="margin: 0;">+<span id="LC258" class="line" lang="haskell"><span class="n" style="color: #333;">annotate</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Platform</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">L<span class="idiff left">RegSet</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CmmNode</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">O</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">O</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">[(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">L</span>RegSet</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="kt" style="color: #458; font-weight: 600;">O</span> <span class="kt" style="color: #458; font-weight: 600;">O</span><span class="p">)]</span></span>
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<pre style="margin: 0;"> <span id="LC259" class="line" lang="haskell"><span class="n" style="color: #333;">annotate</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">live</span> <span class="n" style="color: #333;">nodes</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">snd</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">foldr</span> <span class="n" style="color: #333;">ann</span> <span class="p">(</span><span class="n" style="color: #333;">live</span><span class="p">,</span><span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">)</span> <span class="n" style="color: #333;">nodes</span></span>
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<pre style="margin: 0;">-<span id="LC271" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span> <span class="n" style="color: #333;">ann</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="n" style="color: #333;">live</span><span class="p">,</span><span class="n" style="color: #333;">nodes</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">gen_kill</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">live</span><span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">live</span><span class="p">,</span><span class="n" style="color: #333;">n</span><span class="p">)</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">nodes</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC260" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span> <span class="n" style="color: #333;">ann</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="n" style="color: #333;">live</span><span class="p">,</span><span class="n" style="color: #333;">nodes</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">gen_kill<span class="idiff left right">L</span></span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">live</span><span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">live</span><span class="p">,</span><span class="n" style="color: #333;">n</span><span class="p">)</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">nodes</span><span class="p">)</span></span>
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261
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<pre style="margin: 0;"> <span id="LC261" class="line" lang="haskell"></span>
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262
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<pre style="margin: 0;"> <span id="LC262" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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263
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<pre style="margin: 0;"> <span id="LC263" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Find the blocks that have multiple successors (join points)</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="285" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -285,13 +274,13 @@ findJoinPoints blocks = mapFilter (>1) succ_counts</td>
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<pre style="margin: 0;"> <span id="LC274" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- filter the list of assignments to remove any assignments that</span></span>
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<pre style="margin: 0;"> <span id="LC275" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- are not live in a continuation.</span></span>
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<pre style="margin: 0;"> <span id="LC276" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;">-<span id="LC288" class="line" lang="haskell"><span class="n" style="color: #333;">filterAssignments</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Platform</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">L<span class="idiff left right">ocal</span>RegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Assignments</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Assignments</span></span>
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<pre style="margin: 0;">+<span id="LC277" class="line" lang="haskell"><span class="n" style="color: #333;">filterAssignments</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Platform</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Assignments</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Assignments</span></span>
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<pre style="margin: 0;"> <span id="LC278" class="line" lang="haskell"><span class="n" style="color: #333;">filterAssignments</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">live</span> <span class="n" style="color: #333;">assigs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">reverse</span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">assigs</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC279" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span> <span class="n" style="color: #333;">go</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="n" style="color: #333;">kept</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">kept</span></span>
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<pre style="margin: 0;"> <span id="LC280" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="n" style="color: #333;">r</span><span class="p">,</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span><span class="kr" style="font-weight: 600;">_</span><span class="p">)</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">as</span><span class="p">)</span> <span class="n" style="color: #333;">kept</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">needed</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">as</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">kept</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC281" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">as</span> <span class="n" style="color: #333;">kept</span></span>
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<pre style="margin: 0;"> <span id="LC282" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC294" class="line" lang="haskell"> <span class="n" style="color: #333;">needed</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">r</span> <span class="p">`</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Set</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff right">member</span></span><span class="p">`</span> <span class="n" style="color: #333;">live</span></span>
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<pre style="margin: 0;">+<span id="LC283" class="line" lang="haskell"> <span class="n" style="color: #333;">needed</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">r</span> <span class="p">`</span><span class="n" style="color: #333;"><span class="idiff left right">elemLRegSet</span></span><span class="p">`</span> <span class="n" style="color: #333;">live</span></span>
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<pre style="margin: 0;"> <span id="LC284" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">any</span> <span class="p">(</span><span class="n" style="color: #333;">conflicts</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">toNode</span> <span class="n" style="color: #333;">kept</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC285" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Note that we must keep assignments that are</span></span>
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<pre style="margin: 0;"> <span id="LC286" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- referred to by other assignments we have</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -312,7 +301,7 @@ filterAssignments platform live assigs = reverse (go assigs [])</td>
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<pre style="margin: 0;"> <span id="LC301" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;"> <span id="LC302" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC303" class="line" lang="haskell"><span class="n" style="color: #333;">walk</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Platform</span></span>
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<pre style="margin: 0;">-<span id="LC315" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">L<span class="idiff left right">ocal</span>RegSet</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="kt" style="color: #458; font-weight: 600;">O</span> <span class="kt" style="color: #458; font-weight: 600;">O</span><span class="p">)]</span> <span class="c1" style="color: #998; font-style: italic;">-- nodes of the block, annotated with</span></span>
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<pre style="margin: 0;">+<span id="LC304" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">LRegSet</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="kt" style="color: #458; font-weight: 600;">O</span> <span class="kt" style="color: #458; font-weight: 600;">O</span><span class="p">)]</span> <span class="c1" style="color: #998; font-style: italic;">-- nodes of the block, annotated with</span></span>
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<pre style="margin: 0;"> <span id="LC305" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- the set of registers live *after*</span></span>
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<pre style="margin: 0;"> <span id="LC306" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- this node.</span></span>
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<pre style="margin: 0;"> <span id="LC307" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -366,11 +355,11 @@ shouldSink _ _other = Nothing</td>
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<pre style="margin: 0;"> <span id="LC355" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- out of inlining, but the inliner will see that r is live</span></span>
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<pre style="margin: 0;"> <span id="LC356" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- after the instruction and choose not to inline r in the rhs.</span></span>
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<pre style="margin: 0;"> <span id="LC357" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;">-<span id="LC369" class="line" lang="haskell"><span class="n" style="color: #333;">shouldDiscard</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="n" style="color: #333;">e</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">L<span class="idiff left right">ocal</span>RegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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<pre style="margin: 0;">+<span id="LC358" class="line" lang="haskell"><span class="n" style="color: #333;">shouldDiscard</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="n" style="color: #333;">e</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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<pre style="margin: 0;"> <span id="LC359" class="line" lang="haskell"><span class="n" style="color: #333;">shouldDiscard</span> <span class="n" style="color: #333;">node</span> <span class="n" style="color: #333;">live</span></span>
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<pre style="margin: 0;"> <span id="LC360" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">node</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;"> <span id="LC361" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmAssign</span> <span class="n" style="color: #333;">r</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmReg</span> <span class="n" style="color: #333;">r'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">r'</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
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<pre style="margin: 0;">-<span id="LC373" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmAssign</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmLocal</span> <span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">r</span> <span class="p">`</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Set</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff right">member</span></span><span class="p">`</span> <span class="n" style="color: #333;">live</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC362" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmAssign</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmLocal</span> <span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">r</span> <span class="p">`</span><span class="n" style="color: #333;"><span class="idiff left right">elemLRegSet</span></span><span class="p">`</span> <span class="n" style="color: #333;">live</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC363" class="line" lang="haskell"> <span class="n" style="color: #333;">_otherwise</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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<pre style="margin: 0;"> <span id="LC364" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC365" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -403,8 +392,9 @@ dropAssignments platform should_drop state assigs</td>
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<pre style="margin: 0;"> <span id="LC392" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- inlining opens up opportunities for doing so.</span></span>
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<pre style="margin: 0;"> <span id="LC393" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC394" class="line" lang="haskell"><span class="n" style="color: #333;">tryToInline</span></span>
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<pre style="margin: 0;">-<span id="LC406" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Platform</span></span>
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<pre style="margin: 0;">-<span id="LC407" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LocalRegSet</span> <span class="c1" style="color: #998; font-style: italic;">-- set of registers live after this</span></span>
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<pre style="margin: 0;">+<span id="LC395" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">forall</span> <span class="n" style="color: #333;">x</span><span class="o" style="font-weight: 600;">.</span> <span class="kt" style="color: #458; font-weight: 600;">Platform</span></span>
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<pre style="margin: 0;">+<span id="LC396" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="c1" style="color: #998; font-style: italic;">-- set of registers live after this</span></span>
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<pre style="margin: 0;">+<span id="LC397" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- -> LocalRegSet -- set of registers live after this</span></span>
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<pre style="margin: 0;"> <span id="LC398" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- node. We cannot inline anything</span></span>
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<pre style="margin: 0;"> <span id="LC399" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- that is live after the node, unless</span></span>
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<pre style="margin: 0;"> <span id="LC400" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- it is small enough to duplicate.</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -415,35 +405,42 @@ tryToInline</td>
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<pre style="margin: 0;"> <span id="LC405" class="line" lang="haskell"> <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Assignments</span> <span class="c1" style="color: #998; font-style: italic;">-- Remaining assignments</span></span>
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<pre style="margin: 0;"> <span id="LC406" class="line" lang="haskell"> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC407" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC418" class="line" lang="haskell"><span class="n" style="color: #333;">tryToInline</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">live</span> <span class="n" style="color: #333;">node</span> <span class="n" style="color: #333;">assigs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">usages</span> <span class="n" style="color: #333;">node</span> <span class="n" style="color: #333;">emptyLRegSet</span> <span class="n" style="color: #333;">assigs</span></span>
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<pre style="margin: 0;">+<span id="LC408" class="line" lang="haskell"><span class="n" style="color: #333;">tryToInline</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">liveAfter</span> <span class="n" style="color: #333;">node</span> <span class="n" style="color: #333;">assigs</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;">+<span id="LC409" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- pprTrace "tryToInline assig length:" (ppr $ length assigs) $</span></span>
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<pre style="margin: 0;">+<span id="LC410" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">usages</span> <span class="n" style="color: #333;">liveAfter</span> <span class="n" style="color: #333;">node</span> <span class="n" style="color: #333;">emptyLRegSet</span> <span class="n" style="color: #333;">assigs</span></span>
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419
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<pre style="margin: 0;"> <span id="LC411" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
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420
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<pre style="margin: 0;"> <span id="LC412" class="line" lang="haskell"> <span class="n" style="color: #333;">usages</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">UniqFM</span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="c1" style="color: #998; font-style: italic;">-- Maps each LocalReg to a count of how often it is used</span></span>
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421
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<pre style="margin: 0;"> <span id="LC413" class="line" lang="haskell"> <span class="n" style="color: #333;">usages</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldLocalRegsUsed</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">addUsage</span> <span class="n" style="color: #333;">emptyUFM</span> <span class="n" style="color: #333;">node</span></span>
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422
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<pre style="margin: 0;"> <span id="LC414" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC423" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">_usages</span> <span class="n" style="color: #333;">node</span> <span class="n" style="color: #333;">_skipped</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">node</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC415" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">UniqFM</span> <span class="kt" style="color: #458; font-weight: 600;">LocalReg</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="kt" style="color: #458; font-weight: 600;">O</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LRegSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Assignments</span></span>
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<pre style="margin: 0;">+<span id="LC416" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="kt" style="color: #458; font-weight: 600;">O</span> <span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Assignments</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC417" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">_usages</span> <span class="n" style="color: #333;">_live</span> <span class="n" style="color: #333;">node</span> <span class="n" style="color: #333;">_skipped</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">node</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC418" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC425" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">usages</span> <span class="n" style="color: #333;">node</span> <span class="n" style="color: #333;">skipped</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="n" style="color: #333;">l</span><span class="p">,</span><span class="n" style="color: #333;">rhs</span><span class="p">,</span><span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">rest</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC426" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">cannot_inline</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dont_inline</span></span>
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<pre style="margin: 0;">-<span id="LC427" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">occurs_none</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">discard</span> <span class="c1" style="color: #998; font-style: italic;">-- Note [discard during inlining]</span></span>
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<pre style="margin: 0;">-<span id="LC428" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">occurs_once</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">inline_and_discard</span></span>
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<pre style="margin: 0;">-<span id="LC429" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isTrivial</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">rhs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">inline_and_keep</span></span>
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430
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<pre style="margin: 0;">-<span id="LC430" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dont_inline</span></span>
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<pre style="margin: 0;">+<span id="LC419" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">usages</span> <span class="n" style="color: #333;"><span class="idiff left">live</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">node</span> <span class="n" style="color: #333;">skipped</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="n" style="color: #333;">l</span><span class="p">,</span><span class="n" style="color: #333;">rhs</span><span class="p">,</span><span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">rest</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC420" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">cannot_inline</span> <span class="idiff left right"> </span><span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dont_inline</span></span>
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<pre style="margin: 0;">+<span id="LC421" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">occurs_none</span> <span class="idiff left right"> </span><span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">discard</span> <span class="c1" style="color: #998; font-style: italic;">-- Note [discard during inlining]</span></span>
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<pre style="margin: 0;">+<span id="LC422" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">occurs_once</span> <span class="idiff left right"> </span><span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">inline_and_discard</span></span>
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<pre style="margin: 0;">+<span id="LC423" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isTrivial</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">rhs</span> <span class="idiff left right"> </span><span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">inline_and_keep</span></span>
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<pre style="margin: 0;">+<span id="LC424" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="idiff left right"> </span><span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dont_inline</span></span>
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<pre style="margin: 0;"> <span id="LC425" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC432" class="line" lang="haskell"> <span class="n" style="color: #333;">inline_and_discard</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">usages'</span> <span class="n" style="color: #333;">inl_node</span> <span class="n" style="color: #333;">skipped</span> <span class="n" style="color: #333;">rest</span></span>
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<pre style="margin: 0;">+<span id="LC426" class="line" lang="haskell"> <span class="n" style="color: #333;">inline_and_discard</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">usages'</span> <span class="n" style="color: #333;"><span class="idiff left">live</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">inl_node</span> <span class="n" style="color: #333;">skipped</span> <span class="n" style="color: #333;">rest</span></span>
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<pre style="margin: 0;"> <span id="LC427" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span> <span class="n" style="color: #333;">usages'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldLocalRegsUsed</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">addUsage</span> <span class="n" style="color: #333;">usages</span> <span class="n" style="color: #333;">rhs</span></span>
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<pre style="margin: 0;"> <span id="LC428" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC435" class="line" lang="haskell"> <span class="n" style="color: #333;">discard</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">usages</span> <span class="n" style="color: #333;">node</span> <span class="n" style="color: #333;">skipped</span> <span class="n" style="color: #333;">rest</span></span>
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<pre style="margin: 0;">+<span id="LC429" class="line" lang="haskell"> <span class="n" style="color: #333;">discard</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">usages</span> <span class="n" style="color: #333;"><span class="idiff left">live</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">node</span> <span class="n" style="color: #333;">skipped</span> <span class="n" style="color: #333;">rest</span></span>
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<pre style="margin: 0;"> <span id="LC430" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC431" class="line" lang="haskell"> <span class="n" style="color: #333;">dont_inline</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">keep</span> <span class="n" style="color: #333;">node</span> <span class="c1" style="color: #998; font-style: italic;">-- don't inline the assignment, keep it</span></span>
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<pre style="margin: 0;"> <span id="LC432" class="line" lang="haskell"> <span class="n" style="color: #333;">inline_and_keep</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">keep</span> <span class="n" style="color: #333;">inl_node</span> <span class="c1" style="color: #998; font-style: italic;">-- inline the assignment, keep it</span></span>
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<pre style="margin: 0;"> <span id="LC433" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC434" class="line" lang="haskell"> <span class="n" style="color: #333;">keep</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="kt" style="color: #458; font-weight: 600;">O</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="kt" style="color: #458; font-weight: 600;">O</span> <span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Assignments</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC435" class="line" lang="haskell"> <span class="n" style="color: #333;">keep</span> <span class="n" style="color: #333;">node'</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">final_node</span><span class="p">,</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">rest'</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC441" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span> <span class="p">(</span><span class="n" style="color: #333;">final_node</span><span class="p">,</span> <span class="n" style="color: #333;">rest'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">usages'</span> <span class="n" style="color: #333;">node'</span> <span class="p">(</span><span class="n" style="color: #333;">insertLRegSet</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">skipped</span><span class="p">)</span> <span class="n" style="color: #333;">rest</span></span>
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<pre style="margin: 0;">-<span id="LC442" class="line" lang="haskell"> <span class="n" style="color: #333;">usages'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldLocalRegsUsed</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">addToUFM</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">r</span> <span class="mi" style="color: #099;">2</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC443" class="line" lang="haskell"> <span class="n" style="color: #333;">usages</span> <span class="n" style="color: #333;">rhs</span></span>
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<pre style="margin: 0;">-<span id="LC444" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- we must not inline anything that is mentioned in the RHS</span></span>
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<pre style="margin: 0;">-<span id="LC445" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- of a binding that we have already skipped, so we set the</span></span>
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<pre style="margin: 0;">-<span id="LC446" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- usages of the regs on the RHS to 2.</span></span>
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<pre style="margin: 0;">+<span id="LC436" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span> <span class="p">(</span><span class="n" style="color: #333;">final_node</span><span class="p">,</span> <span class="n" style="color: #333;">rest'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">usages</span> <span class="n" style="color: #333;">live'</span> <span class="n" style="color: #333;">node'</span> <span class="p">(</span><span class="n" style="color: #333;">insertLRegSet</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">skipped</span><span class="p">)</span> <span class="n" style="color: #333;">rest</span></span>
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<pre style="margin: 0;">+<span id="LC437" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC438" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Avoid discarding of assignments to vars on the rhs.</span></span>
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<pre style="margin: 0;">+<span id="LC439" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Keeping assignemnts mentioned in skipped RHSs]</span></span>
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<pre style="margin: 0;">+<span id="LC440" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- usages' = foldLocalRegsUsed platform (\m r -> addToUFM m r 2)</span></span>
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<pre style="margin: 0;">+<span id="LC441" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- usages rhs</span></span>
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<pre style="margin: 0;">+<span id="LC442" class="line" lang="haskell"> <span class="n" style="color: #333;">live'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">inline</span> <span class="n" style="color: #333;">foldLocalRegsUsed</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">insertLRegSet</span> <span class="n" style="color: #333;">r</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC443" class="line" lang="haskell"> <span class="n" style="color: #333;">live</span> <span class="n" style="color: #333;">rhs</span></span>
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<pre style="margin: 0;"> <span id="LC444" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC445" class="line" lang="haskell"> <span class="n" style="color: #333;">cannot_inline</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">skipped</span> <span class="p">`</span><span class="n" style="color: #333;">regsUsedIn</span><span class="p">`</span> <span class="n" style="color: #333;">rhs</span> <span class="c1" style="color: #998; font-style: italic;">-- Note [dependent assignments]</span></span>
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<pre style="margin: 0;"> <span id="LC446" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">l</span> <span class="p">`</span><span class="n" style="color: #333;">elemLRegSet</span><span class="p">`</span> <span class="n" style="color: #333;">skipped</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -451,7 +448,7 @@ tryToInline platform live node assigs = go usages node emptyLRegSet assigs</td>
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<pre style="margin: 0;"> <span id="LC448" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC449" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- How often is l used in the current node.</span></span>
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<pre style="margin: 0;"> <span id="LC450" class="line" lang="haskell"> <span class="n" style="color: #333;">l_usages</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupUFM</span> <span class="n" style="color: #333;">usages</span> <span class="n" style="color: #333;">l</span></span>
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<pre style="margin: 0;">-<span id="LC454" class="line" lang="haskell"> <span class="n" style="color: #333;">l_live</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">l</span> <span class="p">`</span><span class="n" style="color: #333;">elemRegSet</span><span class="p">`</span> <span class="n" style="color: #333;">live</span></span>
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<pre style="margin: 0;">+<span id="LC451" class="line" lang="haskell"> <span class="n" style="color: #333;">l_live</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">l</span> <span class="p">`</span><span class="n" style="color: #333;">elem<span class="idiff left right">L</span>RegSet</span><span class="p">`</span> <span class="n" style="color: #333;">live</span></span>
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<pre style="margin: 0;"> <span id="LC452" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC453" class="line" lang="haskell"> <span class="n" style="color: #333;">occurs_once</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">not</span> <span class="n" style="color: #333;">l_live</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">l_usages</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="mi" style="color: #099;">1</span></span>
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<pre style="margin: 0;"> <span id="LC454" class="line" lang="haskell"> <span class="n" style="color: #333;">occurs_none</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">not</span> <span class="n" style="color: #333;">l_live</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">l_usages</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -467,6 +464,27 @@ tryToInline platform live node assigs = go usages node emptyLRegSet assigs</td>
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<pre style="margin: 0;"> <span id="LC464" class="line" lang="haskell"> <span class="n" style="color: #333;">inl_exp</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmMachOp</span> <span class="n" style="color: #333;">op</span> <span class="n" style="color: #333;">args</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cmmMachOpFold</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">op</span> <span class="n" style="color: #333;">args</span></span>
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<pre style="margin: 0;"> <span id="LC465" class="line" lang="haskell"> <span class="n" style="color: #333;">inl_exp</span> <span class="n" style="color: #333;">other</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">other</span></span>
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<pre style="margin: 0;"> <span id="LC466" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC467" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [Keeping assignemnts mentioned in skipped RHSs]</span></span>
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<pre style="margin: 0;">+<span id="LC468" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
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<pre style="margin: 0;">+<span id="LC469" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC470" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> If we have to assignments: [z = y, y = e1] and we skip</span></span>
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<pre style="margin: 0;">+<span id="LC471" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> z we *must* retain the assignment y = e1. This is because</span></span>
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<pre style="margin: 0;">+<span id="LC472" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> we might inline "z = y" into another node later on so we</span></span>
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<pre style="margin: 0;">+<span id="LC473" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> must ensure y is still defined at this point.</span></span>
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<pre style="margin: 0;">+<span id="LC475" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> If we dropped the assignment of "y = e1" then we would end up</span></span>
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<pre style="margin: 0;">+<span id="LC476" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> referencing a variable which hasn't been mentioned after</span></span>
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<pre style="margin: 0;">+<span id="LC477" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> inlining.</span></span>
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<pre style="margin: 0;">+<span id="LC479" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> We use a hack to do this.</span></span>
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<pre style="margin: 0;">+<span id="LC481" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> We pretend the regs from the rhs are live after the current</span></span>
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<pre style="margin: 0;">+<span id="LC482" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> node. Since we only discard assignments to variables</span></span>
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<pre style="margin: 0;">+<span id="LC483" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> which are dead after the current block this prevents discarding of the</span></span>
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<pre style="margin: 0;">+<span id="LC484" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> assignment. It still allows inlining should e1 be a trivial rhs</span></span>
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<pre style="margin: 0;">+<span id="LC485" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> however.</span></span>
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<pre style="margin: 0;">+<span id="LC486" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC487" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;"> <span id="LC488" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC489" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [improveConditional]</span></span>
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<pre style="margin: 0;"> <span id="LC490" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -610,18 +628,34 @@ conflicts platform (r, rhs, addr) node</td>
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610
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628
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<pre style="margin: 0;"> <span id="LC628" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- (7) otherwise, no conflict</span></span>
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611
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629
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<pre style="margin: 0;"> <span id="LC629" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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612
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630
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<pre style="margin: 0;"> <span id="LC630" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC631" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [Inlining foldRegsDefd]</span></span>
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632
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<pre style="margin: 0;">+<span id="LC632" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
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<pre style="margin: 0;">+<span id="LC633" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC634" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> foldRegsDefd is, after optimization, *not* a small function so</span></span>
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<pre style="margin: 0;">+<span id="LC635" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> it's only marked INLINEABLE, but not INLINE.</span></span>
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<pre style="margin: 0;">+<span id="LC636" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC637" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> However in some specific cases we call it *very* often making it</span></span>
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<pre style="margin: 0;">+<span id="LC638" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> important to avoid the overhead of allocating the folding function.</span></span>
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<pre style="margin: 0;">+<span id="LC639" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC640" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> So we simply force inlining via the magic inline function.</span></span>
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<pre style="margin: 0;">+<span id="LC641" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> For T3294 this improves allocation with -O by ~1%.</span></span>
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<pre style="margin: 0;">+<span id="LC642" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC643" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;"> <span id="LC645" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Returns True if node defines any global registers that are used in the</span></span>
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<pre style="margin: 0;"> <span id="LC646" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Cmm expression</span></span>
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<pre style="margin: 0;"> <span id="LC647" class="line" lang="haskell"><span class="n" style="color: #333;">globalRegistersConflict</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Platform</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmmExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="n" style="color: #333;">e</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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<pre style="margin: 0;"> <span id="LC648" class="line" lang="haskell"><span class="n" style="color: #333;">globalRegistersConflict</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">node</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;">-<span id="LC617" class="line" lang="haskell"> <span class="n" style="color: #333;">foldRegsDefd</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">b</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">regUsedIn</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmGlobal</span> <span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="n" style="color: #333;">expr</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC649" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Inlining foldRegsDefd]</span></span>
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<pre style="margin: 0;">+<span id="LC650" class="line" lang="haskell"> <span class="n" style="color: #333;">inline</span> <span class="n" style="color: #333;">foldRegsDefd</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">b</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">regUsedIn</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmGlobal</span> <span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="n" style="color: #333;">expr</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC651" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="n" style="color: #333;">node</span></span>
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<pre style="margin: 0;"> <span id="LC652" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC653" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Returns True if node defines any local registers that are used in the</span></span>
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<pre style="margin: 0;"> <span id="LC654" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Cmm expression</span></span>
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<pre style="margin: 0;"> <span id="LC655" class="line" lang="haskell"><span class="n" style="color: #333;">localRegistersConflict</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Platform</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmmExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmmNode</span> <span class="n" style="color: #333;">e</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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<pre style="margin: 0;"> <span id="LC656" class="line" lang="haskell"><span class="n" style="color: #333;">localRegistersConflict</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">node</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;">-<span id="LC624" class="line" lang="haskell"> <span class="n" style="color: #333;">foldRegsDefd</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">b</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">regUsedIn</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmLocal</span> <span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="n" style="color: #333;">expr</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC657" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Inlining foldRegsDefd]</span></span>
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<pre style="margin: 0;">+<span id="LC658" class="line" lang="haskell"> <span class="n" style="color: #333;">inline</span> <span class="n" style="color: #333;">foldRegsDefd</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">b</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">regUsedIn</span> <span class="n" style="color: #333;">platform</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmLocal</span> <span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="n" style="color: #333;">expr</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC659" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="n" style="color: #333;">node</span></span>
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<pre style="margin: 0;"> <span id="LC660" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC661" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Note [Sinking and calls]</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/ed940d47e8a4abdeb0ce54fcd8db46274713a248...e4f41000077c2da09b2ca7ffc623aefff21da6ee#f9f29a5a64a0b66967f0a7c538dbf8ad06a9f5bb"><strong>compiler/GHC/Cmm/Utils.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -264,9 +264,11 @@ cmmOffset platform e byte_off = case e of</td>
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<pre style="margin: 0;"> <span id="LC264" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmStackSlot</span> <span class="n" style="color: #333;">area</span> <span class="n" style="color: #333;">off</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmmStackSlot</span> <span class="n" style="color: #333;">area</span> <span class="p">(</span><span class="n" style="color: #333;">off</span> <span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">byte_off</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC265" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- note stack area offsets increase towards lower addresses</span></span>
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<pre style="margin: 0;"> <span id="LC266" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmMachOp</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Add</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">expr</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">byte_off1</span> <span class="n" style="color: #333;">_rep</span><span class="p">)]</span></span>
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<pre style="margin: 0;">-<span id="LC267" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmmMachOp</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Add</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">expr</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">byte_off1</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">toInteger</span> <span class="n" style="color: #333;">byte_off</span><span class="p">)</span> <span class="n" style="color: #333;">rep</span><span class="p">)]</span></span>
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<pre style="margin: 0;">-<span id="LC268" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmmMachOp</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Add</span> <span class="n" style="color: #333;">width</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">e</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">toInteger</span> <span class="n" style="color: #333;">byte_off</span><span class="p">)</span> <span class="n" style="color: #333;">width</span><span class="p">)]</span></span>
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<pre style="margin: 0;">-<span id="LC269" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span> <span class="n" style="color: #333;">width</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cmmExprWidth</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">e</span></span>
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<pre style="margin: 0;">+<span id="LC267" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">let</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">lit_off</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">byte_off1</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">toInteger</span> <span class="n" style="color: #333;">byte_off</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC268" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">in</span> <span class="kt" style="color: #458; font-weight: 600;">CmmMachOp</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Add</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">expr</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="n" style="color: #333;">lit_off</span> <span class="n" style="color: #333;">rep</span><span class="p">)]</span></span>
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<pre style="margin: 0;">+<span id="LC269" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">let</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">width</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cmmExprWidth</span> <span class="n" style="color: #333;">platform</span> <span class="n" style="color: #333;">e</span></span>
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<pre style="margin: 0;">+<span id="LC270" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">in</span></span>
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<pre style="margin: 0;">+<span id="LC271" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmmMachOp</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MO_Add</span> <span class="n" style="color: #333;">width</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">e</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CmmLit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CmmInt</span> <span class="p">(</span><span class="n" style="color: #333;">toInteger</span> <span class="n" style="color: #333;">byte_off</span><span class="p">)</span> <span class="n" style="color: #333;">width</span><span class="p">)]</span></span>
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<pre style="margin: 0;"> <span id="LC272" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC273" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Smart constructor for CmmRegOff. Same caveats as cmmOffset above.</span></span>
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<pre style="margin: 0;"> <span id="LC274" class="line" lang="haskell"><span class="n" style="color: #333;">cmmRegOff</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmmReg</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmmExpr</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/ed940d47e8a4abdeb0ce54fcd8db46274713a248...e4f41000077c2da09b2ca7ffc623aefff21da6ee#d3cf57b6a5ebc234dc7689db38ef9b6cf2259c0f"><strong>compiler/GHC/Utils/Outputable.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -115,6 +115,7 @@ import Data.Int</td>
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<pre style="margin: 0;"> <span id="LC115" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Data.IntMap</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">IM</span></span>
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<pre style="margin: 0;"> <span id="LC116" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Set</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Set</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC117" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Data.Set</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">Set</span></span>
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118
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<pre style="margin: 0;">+<span id="LC118" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Data.IntSet</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">IntSet</span></span>
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118
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119
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<pre style="margin: 0;"> <span id="LC119" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.String</span></span>
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119
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120
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<pre style="margin: 0;"> <span id="LC120" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Word</span></span>
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120
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121
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<pre style="margin: 0;"> <span id="LC121" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">System.IO</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">Handle</span> <span class="p">)</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -863,6 +864,9 @@ instance (Outputable a) => Outputable (NonEmpty a) where</td>
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863
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864
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<pre style="margin: 0;"> <span id="LC864" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Set</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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864
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865
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<pre style="margin: 0;"> <span id="LC865" class="line" lang="haskell"> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">braces</span> <span class="p">(</span><span class="n" style="color: #333;">fsep</span> <span class="p">(</span><span class="n" style="color: #333;">punctuate</span> <span class="n" style="color: #333;">comma</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Set</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">toList</span> <span class="n" style="color: #333;">s</span><span class="p">))))</span></span>
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865
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866
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<pre style="margin: 0;"> <span id="LC866" class="line" lang="haskell"></span>
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867
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<pre style="margin: 0;">+<span id="LC867" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">IntSet</span> <span class="kr" style="font-weight: 600;">where</span></span>
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868
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<pre style="margin: 0;">+<span id="LC868" class="line" lang="haskell"> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">braces</span> <span class="p">(</span><span class="n" style="color: #333;">fsep</span> <span class="p">(</span><span class="n" style="color: #333;">punctuate</span> <span class="n" style="color: #333;">comma</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">IntSet</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">toList</span> <span class="n" style="color: #333;">s</span><span class="p">))))</span></span>
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869
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<pre style="margin: 0;">+<span id="LC869" class="line" lang="haskell"></span>
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866
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870
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<pre style="margin: 0;"> <span id="LC870" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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867
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871
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<pre style="margin: 0;"> <span id="LC871" class="line" lang="haskell"> <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="n" style="color: #333;">x</span><span class="p">,</span><span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">parens</span> <span class="p">(</span><span class="n" style="color: #333;">sep</span> <span class="p">[</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;"><></span> <span class="n" style="color: #333;">comma</span><span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">y</span><span class="p">])</span></span>
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868
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872
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<pre style="margin: 0;"> <span id="LC872" class="line" lang="haskell"></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/ed940d47e8a4abdeb0ce54fcd8db46274713a248...e4f41000077c2da09b2ca7ffc623aefff21da6ee#0f33fd88c617246c7f89c4477d2d1d24f942df23"><strong>compiler/ghc.cabal.in</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -205,6 +205,7 @@ Library</td>
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205
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205
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<pre style="margin: 0;"> <span id="LC205" class="line" lang="plaintext"> GHC.Cmm.Switch</span>
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206
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206
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<pre style="margin: 0;"> <span id="LC206" class="line" lang="plaintext"> GHC.Cmm.Switch.Implement</span>
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207
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207
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<pre style="margin: 0;"> <span id="LC207" class="line" lang="plaintext"> GHC.CmmToAsm</span>
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208
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<pre style="margin: 0;">+<span id="LC208" class="line" lang="plaintext"> GHC.Cmm.LRegSet</span>
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208
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209
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<pre style="margin: 0;"> <span id="LC209" class="line" lang="plaintext"> GHC.CmmToAsm.BlockLayout</span>
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209
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210
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<pre style="margin: 0;"> <span id="LC210" class="line" lang="plaintext"> GHC.CmmToAsm.CFG</span>
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<pre style="margin: 0;"> <span id="LC211" class="line" lang="plaintext"> GHC.CmmToAsm.CFG.Dominators</span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/ed940d47e8a4abdeb0ce54fcd8db46274713a248...e4f41000077c2da09b2ca7ffc623aefff21da6ee#2e45f2cd303dd998950a7c8042e796a5b2abd64f"><strong>docs/users_guide/using-optimisation.rst</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -720,7 +720,7 @@ by saying ``-fno-wombat``.</td>
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<pre style="margin: 0;"> <span id="LC720" class="line" lang="plaintext"> :reverse: -fno-omit-yields</span>
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<pre style="margin: 0;"> <span id="LC721" class="line" lang="plaintext"> :category:</span>
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722
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<pre style="margin: 0;"> <span id="LC722" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">-<span id="LC723" class="line" lang="plaintext"> :default: <span class="idiff left right">yield points enabled</span></span>
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723
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<pre style="margin: 0;">+<span id="LC723" class="line" lang="plaintext"> :default: <span class="idiff left right">on (yields are *not* inserted)</span></span>
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724
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<pre style="margin: 0;"> <span id="LC724" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC725" class="line" lang="plaintext"> Tells GHC to omit heap checks when no allocation is</span>
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726
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<pre style="margin: 0;"> <span id="LC726" class="line" lang="plaintext"> being performed. While this improves binary sizes by about 5%, it</span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/ed940d47e8a4abdeb0ce54fcd8db46274713a248...e4f41000077c2da09b2ca7ffc623aefff21da6ee#85be39da47a20360dc906ebad4c63f9cfb7363a6"><strong>libraries/time</strong></a>
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1
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<pre style="margin: 0;">-Subproject commit <span class="idiff left right">c25d6a76702b454426e149fb590da5cb69f3bd0a</span></pre>
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1
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<pre style="margin: 0;">+Subproject commit <span class="idiff left right">df292e1a74c6a87c2c1c889679074dd46ad39461</span></pre>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/ed940d47e8a4abdeb0ce54fcd8db46274713a248...e4f41000077c2da09b2ca7ffc623aefff21da6ee#b7ec52d5e302083ed03503182f1293694dda24f3"><strong>rts/linker/Elf.c</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -32,6 +32,9 @@</td>
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<pre style="margin: 0;"> <span id="LC32" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#include <stdlib.h></span></span>
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<pre style="margin: 0;"> <span id="LC33" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#include <unistd.h></span></span>
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<pre style="margin: 0;"> <span id="LC34" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#include <string.h></span></span>
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<pre style="margin: 0;">+<span id="LC35" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#if defined(HAVE_DLFCN_H)</span></span>
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<pre style="margin: 0;">+<span id="LC36" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#include <dlfcn.h></span></span>
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<pre style="margin: 0;">+<span id="LC37" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#endif</span></span>
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<pre style="margin: 0;"> <span id="LC38" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#if defined(HAVE_SYS_STAT_H)</span></span>
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<pre style="margin: 0;"> <span id="LC39" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#include <sys/stat.h></span></span>
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37
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<pre style="margin: 0;"> <span id="LC40" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#endif</span></span>
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