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<h3>

 Marge Bot pushed to branch master

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/e3655f810b4eba1fb7d81a3227a08dae8b85dfc4">e3655f81</a></strong>

<div>

<span>by Sebastian Graf</span>

<i>at 2020-10-01T18:36:47-04:00</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Don't attach CPR signatures to NOINLINE data structures (#18154)

Because the generated `KindRep`s don't have an unfolding, !3230 did not

actually stop to compute, attach and serialise unnecessary CPR

signatures for them. As already said in

`Note [CPR for data structures]`, that leads to bloated interface

files which is ultimately quadratic for Nested CPR.

So we don't attach any CPR signature to bindings that

  * Are not thunks (because thunks are not in WHNF)

  * Have arity 0 (which means the top-level constructor is not a lambda)

If the data structure has an unfolding, we continue to look through it.

If not (as is the case for `KindRep`s), we look at the unchanged CPR

signature and see `topCprType`, as expected.

</pre>

</li>

</ul>

<h4>2 changed files:</h4>

<ul>

<li class="file-stats">

<a href="#c1bf6b849619bc8d7ef37a97d993dbfaa9966f7b">

compiler/GHC/Core/Opt/CprAnal.hs

</a>

</li>

<li class="file-stats">

<a href="#0e264f20bcb9f21ef8f19196ea35fb751107dd1f">

testsuite/tests/simplCore/should_compile/T7360.stderr

</a>

</li>

</ul>

<h4>Changes:</h4>

<li id="c1bf6b849619bc8d7ef37a97d993dbfaa9966f7b">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e3655f810b4eba1fb7d81a3227a08dae8b85dfc4#c1bf6b849619bc8d7ef37a97d993dbfaa9966f7b"><strong>compiler/GHC/Core/Opt/CprAnal.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="118" 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="118" 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">@@ -118,9 +118,9 @@ cprAnalTopBind :: AnalEnv</td>

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<pre style="margin: 0;"> <span id="LC118" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoreBind</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC119" 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;">AnalEnv</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CoreBind</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="120" 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="LC120" class="line" lang="haskell"><span class="n" style="color: #333;">cprAnalTopBind</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NonRec</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">rhs</span><span class="p">)</span></span>

</pre>

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121

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<td class="diff-line-num new_line old" data-linenumber="121" 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="LC121" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">e<span class="idiff left">xtendAnalEnv</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">id'</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">idCprInfo</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">id'</span></span><span class="p"><span class="idiff right">)</span>,</span> <span class="kt" style="color: #458; font-weight: 600;">NonRec</span> <span class="n" style="color: #333;">id'</span> <span class="n" style="color: #333;">rhs'</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC121" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">e<span class="idiff left right">nv'</span></span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">NonRec</span> <span class="n" style="color: #333;">id'</span> <span class="n" style="color: #333;">rhs'</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC122" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="123" 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="123" 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="LC123" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">id'</span><span class="p">,</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;">cprAnalBind</span> <span class="kt" style="color: #458; font-weight: 600;">TopLevel</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="123" 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="LC123" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">id'</span><span class="p">,</span> <span class="n" style="color: #333;">rhs'</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">env'</span></span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cprAnalBind</span> <span class="kt" style="color: #458; font-weight: 600;">TopLevel</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">rhs</span></span>

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<pre style="margin: 0;"> <span id="LC124" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="125" 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="125" 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="LC125" class="line" lang="haskell"><span class="n" style="color: #333;">cprAnalTopBind</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Rec</span> <span class="n" style="color: #333;">pairs</span><span class="p">)</span></span>

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<td class="diff-line-num new_line" data-linenumber="126" 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="LC126" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">env'</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Rec</span> <span class="n" style="color: #333;">pairs'</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="178" 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="178" 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">@@ -178,7 +178,7 @@ cprAnal' env (Lam var body)</td>

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<td class="diff-line-num old_line" data-linenumber="178" 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="LC178" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC179" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">lam_ty</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Lam</span> <span class="n" style="color: #333;">var</span> <span class="n" style="color: #333;">body'</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC180" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">-<span id="LC181" class="line" lang="haskell">    <span class="n" style="color: #333;">env'</span>             <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extend<span class="idiff left right">Anal</span>EnvForDemand</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">var</span> <span class="p">(</span><span class="n" style="color: #333;">idDemandInfo</span> <span class="n" style="color: #333;">var</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC181" class="line" lang="haskell">    <span class="n" style="color: #333;">env'</span>             <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extend<span class="idiff left right">Sig</span>EnvForDemand</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">var</span> <span class="p">(</span><span class="n" style="color: #333;">idDemandInfo</span> <span class="n" style="color: #333;">var</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC182" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">body_ty</span><span class="p">,</span> <span class="n" style="color: #333;">body'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cprAnal</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">body</span></span>

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<pre style="margin: 0;"> <span id="LC183" class="line" lang="haskell">    <span class="n" style="color: #333;">lam_ty</span>           <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">abstractCprTy</span> <span class="n" style="color: #333;">body_ty</span></span>

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<pre style="margin: 0;"> <span id="LC184" class="line" lang="haskell"></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="194" 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="194" 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">@@ -194,9 +194,8 @@ cprAnal' env (Case scrut case_bndr ty alts)</td>

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<pre style="margin: 0;"> <span id="LC194" class="line" lang="haskell"><span class="n" style="color: #333;">cprAnal'</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Let</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NonRec</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">rhs</span><span class="p">)</span> <span class="n" style="color: #333;">body</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="p">(</span><span class="n" style="color: #333;">body_ty</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Let</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NonRec</span> <span class="n" style="color: #333;">id'</span> <span class="n" style="color: #333;">rhs'</span><span class="p">)</span> <span class="n" style="color: #333;">body'</span><span class="p">)</span></span>

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<td class="diff-line-num new_line" data-linenumber="196" 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="LC196" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">-<span id="LC197" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">id'</span><span class="p">,</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;">cprAnalBind</span> <span class="kt" style="color: #458; font-weight: 600;">NotTopLevel</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC198" class="line" lang="haskell">    <span class="n" style="color: #333;">env'</span>             <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendAnalEnv</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id'</span> <span class="p">(</span><span class="n" style="color: #333;">idCprInfo</span> <span class="n" style="color: #333;">id'</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC199" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">body_ty</span><span class="p">,</span> <span class="n" style="color: #333;">body'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cprAnal</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">body</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="197" 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="LC197" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">id'</span><span class="p">,</span> <span class="n" style="color: #333;">rhs'</span><span class="p">,</span> <span class="n" style="color: #333;">env'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cprAnalBind</span> <span class="kt" style="color: #458; font-weight: 600;">NotTopLevel</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="198" 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="LC198" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">body_ty</span><span class="p">,</span> <span class="n" style="color: #333;">body'</span><span class="p">)</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cprAnal</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">body</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC199" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC200" class="line" lang="haskell"><span class="n" style="color: #333;">cprAnal'</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Let</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Rec</span> <span class="n" style="color: #333;">pairs</span><span class="p">)</span> <span class="n" style="color: #333;">body</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC201" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">body_ty</span> <span class="p">`</span><span class="n" style="color: #333;">seq</span><span class="p">`</span> <span class="p">(</span><span class="n" style="color: #333;">body_ty</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Let</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Rec</span> <span class="n" style="color: #333;">pairs'</span><span class="p">)</span> <span class="n" style="color: #333;">body'</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC232" class="line" lang="haskell">    <span class="n" style="color: #333;">sig</span></span>

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<pre style="margin: 0;"> <span id="LC233" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;"> <span id="LC234" class="line" lang="haskell">    <span class="n" style="color: #333;">sig</span></span>

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<pre style="margin: 0;">-<span id="LC236" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- See Note [CPR for expandable unfoldings]</span></span>

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<pre style="margin: 0;">-<span id="LC237" 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;">rhs</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">cprExpandUnfolding_maybe</span> <span class="n" style="color: #333;">id</span></span>

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<pre style="margin: 0;">+<span id="LC235" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- Top-level binding, local let-binding or case binder</span></span>

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<pre style="margin: 0;">+<span id="LC236" 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;">sig</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lookupSigEnv</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span></span>

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<pre style="margin: 0;">+<span id="LC237" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">getCprSig</span> <span class="n" style="color: #333;">sig</span></span>

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<pre style="margin: 0;">+<span id="LC238" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- See Note [CPR for data structures]</span></span>

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<pre style="margin: 0;">+<span id="LC239" 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;">rhs</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">cprDataStructureUnfolding_maybe</span> <span class="n" style="color: #333;">id</span></span>

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<pre style="margin: 0;"> <span id="LC240" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fst</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">cprAnal</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">rhs</span></span>

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<pre style="margin: 0;"> <span id="LC241" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- Imported function or data con worker</span></span>

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<pre style="margin: 0;"> <span id="LC242" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isGlobalId</span> <span class="n" style="color: #333;">id</span></span>

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<pre style="margin: 0;"> <span id="LC243" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">getCprSig</span> <span class="p">(</span><span class="n" style="color: #333;">idCprInfo</span> <span class="n" style="color: #333;">id</span><span class="p">)</span></span>

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<pre style="margin: 0;">-<span id="LC242" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- Local let-bound</span></span>

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<pre style="margin: 0;">-<span id="LC243" 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;">sig</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lookupSigEnv</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span></span>

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<pre style="margin: 0;">-<span id="LC244" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">getCprSig</span> <span class="n" style="color: #333;">sig</span></span>

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<pre style="margin: 0;"> <span id="LC244" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>

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<pre style="margin: 0;"> <span id="LC245" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">topCprType</span></span>

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<pre style="margin: 0;"> <span id="LC246" 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">@@ -251,46 +250,43 @@ cprTransform env id</td>

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<pre style="margin: 0;"> <span id="LC250" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC251" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Recursive bindings</span></span>

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<pre style="margin: 0;"> <span id="LC252" class="line" lang="haskell"><span class="n" style="color: #333;">cprFix</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TopLevelFlag</span></span>

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<pre style="margin: 0;">-<span id="LC254" class="line" lang="haskell">       <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span>                    <span class="idiff left right">        </span><span class="c1" style="color: #998; font-style: italic;">-- Does not include bindings for this binding</span></span>

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<pre style="margin: 0;">+<span id="LC253" class="line" lang="haskell">       <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span>                    <span class="c1" style="color: #998; font-style: italic;">-- Does not include bindings for this binding</span></span>

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<pre style="margin: 0;"> <span id="LC254" 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;">Id</span><span class="p">,</span><span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">)]</span></span>

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<pre style="margin: 0;">-<span id="LC256" 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;">AnalEnv</span><span class="p">,</span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span><span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">)])</span> <span class="c1" style="color: #998; font-style: italic;">-- Binders annotated with stricness info</span></span>

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<pre style="margin: 0;">-<span id="LC257" class="line" lang="haskell"></span>

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<pre style="margin: 0;">-<span id="LC258" class="line" lang="haskell"><span class="n" style="color: #333;">cprFix</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">orig_pairs</span></span>

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<pre style="margin: 0;">-<span id="LC259" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">loop</span> <span class="mi" style="color: #099;">1</span> <span class="n" style="color: #333;">initial_pairs</span></span>

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<pre style="margin: 0;">+<span id="LC255" 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;">AnalEnv</span><span class="p">,</span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span><span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">)])</span> <span class="c1" style="color: #998; font-style: italic;">-- Binders annotated with CPR info</span></span>

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<pre style="margin: 0;">+<span id="LC256" class="line" lang="haskell"><span class="n" style="color: #333;">cprFix</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">orig_env</span> <span class="n" style="color: #333;">orig_pairs</span></span>

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<pre style="margin: 0;">+<span id="LC257" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">loop</span> <span class="mi" style="color: #099;">1</span> <span class="n" style="color: #333;">init_env</span> <span class="n" style="color: #333;">init_pairs</span></span>

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<pre style="margin: 0;"> <span id="LC258" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="261" 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="259" 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="LC261" class="line" lang="haskell">    <span class="n" style="color: #333;">bot_sig</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkCprSig</span> <span class="mi" style="color: #099;">0</span> <span class="n" style="color: #333;">botCpr</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="262" 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="259" 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="LC259" class="line" lang="haskell">    <span class="n" style="color: #333;">init_sig</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="262" 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="260" 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="LC260" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- See Note [CPR for data structures]</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="262" 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="261" 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="LC261" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isDataStructure</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">rhs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">topCprSig</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="262" 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="262" 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="LC262" 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;">mkCprSig</span> <span class="mi" style="color: #099;">0</span> <span class="n" style="color: #333;">botCpr</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="263" 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="LC263" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [Initialising strictness] in GHC.Core.Opt.DmdAnal</span></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="264" 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="LC263" class="line" lang="haskell">    <span class="n" style="color: #333;">initial_pairs</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">ae_virgin</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">[(</span><span class="n" style="color: #333;">setIdCprInfo</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">bot_sig</span><span class="p">,</span> <span class="n" style="color: #333;">rhs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="p">(</span><span class="n" style="color: #333;">id</span><span class="p">,</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;">orig_pairs</span> <span class="p">]</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC264" 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;">orig_pairs</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC265" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="266" 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="LC266" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- The fixed-point varies the idCprInfo field of the binders, and terminates if that</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="267" 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="LC267" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- annotation does not change any more.</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="268" 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="LC268" class="line" lang="haskell">    <span class="n" style="color: #333;">loop</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="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span><span class="kt" style="color: #458; font-weight: 600;">CoreExpr</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;">AnalEnv</span><span class="p">,</span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span><span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">)])</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC269" class="line" lang="haskell">    <span class="n" style="color: #333;">loop</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">pairs</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="270" 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="264" 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="LC270" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">found_fixpoint</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">final_anal_env</span><span class="p">,</span> <span class="n" style="color: #333;">pairs'</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="271" 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="LC271" 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;">loop</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;">pairs'</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="272" 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="LC272" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC273" class="line" lang="haskell">        <span class="n" style="color: #333;">found_fixpoint</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="n" style="color: #333;">idCprInfo</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">fst</span><span class="p">)</span> <span class="n" style="color: #333;">pairs'</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="n" style="color: #333;">idCprInfo</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">fst</span><span class="p">)</span> <span class="n" style="color: #333;">pairs</span></span>

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<pre style="margin: 0;">-<span id="LC274" class="line" lang="haskell">        <span class="n" style="color: #333;">first_round</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="mi" style="color: #099;">1</span></span>

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<pre style="margin: 0;">-<span id="LC275" class="line" lang="haskell">        <span class="n" style="color: #333;">pairs'</span>            <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">step</span> <span class="n" style="color: #333;">first_round</span> <span class="n" style="color: #333;">pairs</span></span>

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<pre style="margin: 0;">-<span id="LC276" class="line" lang="haskell">        <span class="n" style="color: #333;">final_anal_env</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendAnalEnvs</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">fst</span> <span class="n" style="color: #333;">pairs'</span><span class="p">)</span></span>

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<pre style="margin: 0;">-<span id="LC277" class="line" lang="haskell"></span>

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<pre style="margin: 0;">-<span id="LC278" class="line" lang="haskell">    <span class="n" style="color: #333;">step</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</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;">Id</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">)]</span></span>

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<pre style="margin: 0;">-<span id="LC279" class="line" lang="haskell">    <span class="n" style="color: #333;">step</span> <span class="n" style="color: #333;">first_round</span> <span class="n" style="color: #333;">pairs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pairs'</span></span>

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<pre style="margin: 0;">+<span id="LC264" class="line" lang="haskell">    <span class="n" style="color: #333;">orig_virgin</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ae_virgin</span> <span class="n" style="color: #333;">orig_env</span></span>

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<pre style="margin: 0;">+<span id="LC265" class="line" lang="haskell">    <span class="n" style="color: #333;">init_pairs</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">orig_virgin</span>  <span class="o" style="font-weight: 600;">=</span> <span class="p">[(</span><span class="n" style="color: #333;">setIdCprInfo</span> <span class="n" style="color: #333;">id</span> <span class="p">(</span><span class="n" style="color: #333;">init_sig</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">rhs</span><span class="p">),</span> <span class="n" style="color: #333;">rhs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="p">(</span><span class="n" style="color: #333;">id</span><span class="p">,</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;">orig_pairs</span> <span class="p">]</span></span>

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<pre style="margin: 0;">+<span id="LC266" 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;">orig_pairs</span></span>

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<pre style="margin: 0;">+<span id="LC267" class="line" lang="haskell">    <span class="n" style="color: #333;">init_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendSigEnvList</span> <span class="n" style="color: #333;">orig_env</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">fst</span> <span class="n" style="color: #333;">init_pairs</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC268" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC269" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- The fixed-point varies the idCprInfo field of the binders and and their</span></span>

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<pre style="margin: 0;">+<span id="LC270" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- entries in the AnalEnv, and terminates if that annotation does not change</span></span>

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<pre style="margin: 0;">+<span id="LC271" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- any more.</span></span>

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<pre style="margin: 0;">+<span id="LC272" class="line" lang="haskell">    <span class="n" style="color: #333;">loop</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;">AnalEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span><span class="kt" style="color: #458; font-weight: 600;">CoreExpr</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;">AnalEnv</span><span class="p">,</span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span><span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">)])</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="273" 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="LC273" class="line" lang="haskell">    <span class="n" style="color: #333;">loop</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">pairs</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="274" 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="LC274" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">found_fixpoint</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">reset_env'</span><span class="p">,</span> <span class="n" style="color: #333;">pairs'</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC275" 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;">loop</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;">env'</span> <span class="n" style="color: #333;">pairs'</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC276" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="281" 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="LC277" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- In all but the first iteration, delete the virgin flag</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC282" class="line" lang="haskell">        <span class="n" style="color: #333;">start_env</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">first_round</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC283" 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;">nonVirgin</span> <span class="n" style="color: #333;">env</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC284" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC285" class="line" lang="haskell">        <span class="n" style="color: #333;">start</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendAnalEnvs</span> <span class="n" style="color: #333;">start_env</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">fst</span> <span class="n" style="color: #333;">pairs</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC286" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="287" 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="LC287" class="line" lang="haskell">        <span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="n" style="color: #333;">pairs'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapAccumL</span> <span class="n" style="color: #333;">my_downRhs</span> <span class="n" style="color: #333;">start</span> <span class="n" style="color: #333;">pairs</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC288" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="289" 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="LC289" class="line" lang="haskell">        <span class="n" style="color: #333;">my_downRhs</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">id</span><span class="p">,</span><span class="n" style="color: #333;">rhs</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC290" class="line" lang="haskell">          <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">env'</span><span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">id'</span><span class="p">,</span> <span class="n" style="color: #333;">rhs'</span><span class="p">))</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC278" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- See Note [Initialising strictness] in GHC.Core.Opt.DmdAnal</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC279" class="line" lang="haskell">        <span class="p">(</span><span class="n" style="color: #333;">env'</span><span class="p">,</span> <span class="n" style="color: #333;">pairs'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">step</span> <span class="p">(</span><span class="n" style="color: #333;">applyWhen</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;">nonVirgin</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="n" style="color: #333;">pairs</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC280" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Make sure we reset the virgin flag to what it was when we are stable</span></span>

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<pre style="margin: 0;">+<span id="LC281" class="line" lang="haskell">        <span class="n" style="color: #333;">reset_env'</span>     <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env'</span><span class="p">{</span> <span class="n" style="color: #333;">ae_virgin</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">orig_virgin</span> <span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC282" class="line" lang="haskell">        <span class="n" style="color: #333;">found_fixpoint</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="n" style="color: #333;">idCprInfo</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">fst</span><span class="p">)</span> <span class="n" style="color: #333;">pairs'</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="n" style="color: #333;">idCprInfo</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">fst</span><span class="p">)</span> <span class="n" style="color: #333;">pairs</span></span>

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<pre style="margin: 0;">+<span id="LC283" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC284" class="line" lang="haskell">    <span class="n" style="color: #333;">step</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</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;">AnalEnv</span><span class="p">,</span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">)])</span></span>

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<pre style="margin: 0;">+<span id="LC285" class="line" lang="haskell">    <span class="n" style="color: #333;">step</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">pairs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapAccumL</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">pairs</span></span>

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<pre style="margin: 0;">+<span id="LC286" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">+<span id="LC287" class="line" lang="haskell">        <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">id</span><span class="p">,</span> <span class="n" style="color: #333;">rhs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">env'</span><span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">id'</span><span class="p">,</span> <span class="n" style="color: #333;">rhs'</span><span class="p">))</span></span>

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<pre style="margin: 0;"> <span id="LC288" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">-<span id="LC292" class="line" lang="haskell">            <span class="p">(</span><span class="n" style="color: #333;">id'</span><span class="p">,</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;">cprAnalBind</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">rhs</span></span>

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<pre style="margin: 0;">-<span id="LC293" class="line" lang="haskell">            <span class="n" style="color: #333;">env'</span>        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendAnalEnv</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="p">(</span><span class="n" style="color: #333;">idCprInfo</span> <span class="n" style="color: #333;">id'</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC289" class="line" lang="haskell">            <span class="p">(</span><span class="n" style="color: #333;">id'</span><span class="p">,</span> <span class="n" style="color: #333;">rhs'</span><span class="p">,</span> <span class="n" style="color: #333;">env'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cprAnalBind</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">rhs</span></span>

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<pre style="margin: 0;"> <span id="LC290" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC291" class="line" lang="haskell"><span class="cd">-- | Process the RHS of the binding for a sensible arity, add the CPR signature</span></span>

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<pre style="margin: 0;"> <span id="LC292" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- to the Id, and augment the environment with the signature as well.</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">@@ -299,9 +295,13 @@ cprAnalBind</td>

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<pre style="margin: 0;"> <span id="LC295" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span></span>

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<pre style="margin: 0;"> <span id="LC296" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span></span>

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<pre style="margin: 0;"> <span id="LC297" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC302" 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;">Id</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC298" 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;">Id</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">AnalEnv</span></span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC299" class="line" lang="haskell"><span class="n" style="color: #333;">cprAnalBind</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">rhs</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="n" style="color: #333;">id'</span><span class="p">,</span> <span class="n" style="color: #333;">rhs'</span><span class="p">)</span></span>

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<td class="diff-line-num new old_line" data-linenumber="305" 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="LC300" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- See Note [CPR for data structures]</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC301" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isDataStructure</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">rhs</span></span>

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<td class="diff-line-num new new_line" data-linenumber="302" 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="LC302" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">id</span><span class="p">,</span>  <span class="n" style="color: #333;">rhs</span><span class="p">,</span>  <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="c1" style="color: #998; font-style: italic;">-- Data structure => no code => need to analyse rhs</span></span>

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<pre style="margin: 0;">+<span id="LC303" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</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="n" style="color: #333;">id'</span><span class="p">,</span> <span class="n" style="color: #333;">rhs'</span><span class="p">,</span> <span class="n" style="color: #333;">env'</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC305" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;"> <span id="LC306" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">rhs_ty</span><span class="p">,</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;">cprAnal</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC307" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- possibly trim thunk CPR info</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="310" 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="310" 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">@@ -310,12 +310,11 @@ cprAnalBind top_lvl env id rhs</td>

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<pre style="margin: 0;"> <span id="LC310" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">stays_thunk</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">trimCprTy</span> <span class="n" style="color: #333;">rhs_ty</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC311" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- See Note [CPR for sum types]</span></span>

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<td class="diff-line-num old_line" data-linenumber="312" 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="LC312" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">returns_sum</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">trimCprTy</span> <span class="n" style="color: #333;">rhs_ty</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC313" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- See Note [CPR for expandable unfoldings]</span></span>

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<pre style="margin: 0;">-<span id="LC314" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">will_expand</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">topCprType</span></span>

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<pre style="margin: 0;"> <span id="LC313" 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;">rhs_ty</span></span>

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<td class="diff-line-num old_line" data-linenumber="316" 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="LC314" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [Arity trimming for CPR signatures]</span></span>

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<pre style="margin: 0;">-<span id="LC317" class="line" lang="haskell">    <span class="n" style="color: #333;">sig</span>             <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkCprSigForArity</span> <span class="p">(</span><span class="n" style="color: #333;">idArity</span> <span class="n" style="color: #333;">id</span><span class="p">)</span> <span class="n" style="color: #333;">rhs_ty'</span></span>

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<pre style="margin: 0;">-<span id="LC318" class="line" lang="haskell">    <span class="n" style="color: #333;">id'</span>             <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">setIdCprInfo</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">sig</span></span>

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<td class="diff-line-num new old_line" data-linenumber="319" 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="LC315" class="line" lang="haskell">    <span class="n" style="color: #333;">sig</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkCprSigForArity</span> <span class="p">(</span><span class="n" style="color: #333;">idArity</span> <span class="n" style="color: #333;">id</span><span class="p">)</span> <span class="n" style="color: #333;">rhs_ty'</span></span>

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<td class="diff-line-num new old_line" data-linenumber="319" 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="LC316" class="line" lang="haskell">    <span class="n" style="color: #333;">id'</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">setIdCprInfo</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">sig</span></span>

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<pre style="margin: 0;">+<span id="LC317" class="line" lang="haskell">    <span class="n" style="color: #333;">env'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendSigEnv</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">sig</span></span>

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<pre style="margin: 0;"> <span id="LC318" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC319" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [CPR for thunks]</span></span>

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<pre style="margin: 0;"> <span id="LC320" class="line" lang="haskell">    <span class="n" style="color: #333;">stays_thunk</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">is_thunk</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">not_strict</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="325" 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="324" 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">@@ -325,15 +324,22 @@ cprAnalBind top_lvl env id rhs</td>

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<pre style="margin: 0;"> <span id="LC324" class="line" lang="haskell">    <span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="n" style="color: #333;">ret_ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">splitPiTys</span> <span class="p">(</span><span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">id</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC325" class="line" lang="haskell">    <span class="n" style="color: #333;">not_a_prod</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">isNothing</span> <span class="p">(</span><span class="n" style="color: #333;">deepSplitProductType_maybe</span> <span class="p">(</span><span class="n" style="color: #333;">ae_fam_envs</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="n" style="color: #333;">ret_ty</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC326" class="line" lang="haskell">    <span class="n" style="color: #333;">returns_sum</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;">isTopLevel</span> <span class="n" style="color: #333;">top_lvl</span><span class="p">)</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">not_a_prod</span></span>

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<td class="diff-line-num old old_line" data-linenumber="328" 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="327" 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="LC328" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [CPR for expandable unfoldings]</span></span>

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<pre style="margin: 0;">-<span id="LC329" class="line" lang="haskell">    <span class="n" style="color: #333;">will_expand</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">isJust</span> <span class="p">(</span><span class="n" style="color: #333;">cprExpandUnfolding_maybe</span> <span class="n" style="color: #333;">id</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC327" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC331" class="line" lang="haskell"><span class="n" style="color: #333;">cprExpandUnfolding_maybe</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <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;">CoreExpr</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC332" class="line" lang="haskell"><span class="n" style="color: #333;">cprExpandUnfolding_maybe</span> <span class="n" style="color: #333;">id</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>

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<pre style="margin: 0;">-<span id="LC333" class="line" lang="haskell">  <span class="n" style="color: #333;">guard</span> <span class="p">(</span><span class="n" style="color: #333;">idArity</span> <span class="n" style="color: #333;">id</span> <span class="o" style="font-weight: 600;">==</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC328" class="line" lang="haskell"><span class="n" style="color: #333;">isDataStructure</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</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="LC329" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [CPR for data structures]</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC330" class="line" lang="haskell"><span class="n" style="color: #333;">isDataStructure</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">rhs</span> <span class="o" style="font-weight: 600;">=</span></span>

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<pre style="margin: 0;">+<span id="LC331" class="line" lang="haskell">  <span class="n" style="color: #333;">idArity</span> <span class="n" style="color: #333;">id</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="n" style="color: #333;">exprIsHNF</span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC332" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC333" class="line" lang="haskell"><span class="cd">-- | Returns an expandable unfolding</span></span>

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<pre style="margin: 0;">+<span id="LC334" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- (See Note [exprIsExpandable] in "GHC.Core.Utils") that has</span></span>

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<pre style="margin: 0;">+<span id="LC335" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- So effectively is a constructor application.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC336" class="line" lang="haskell"><span class="n" style="color: #333;">cprDataStructureUnfolding_maybe</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <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;">CoreExpr</span></span>

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<pre style="margin: 0;">+<span id="LC337" class="line" lang="haskell"><span class="n" style="color: #333;">cprDataStructureUnfolding_maybe</span> <span class="n" style="color: #333;">id</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>

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<pre style="margin: 0;"> <span id="LC338" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- There are only FinalPhase Simplifier runs after CPR analysis</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC339" class="line" lang="haskell">  <span class="n" style="color: #333;">guard</span> <span class="p">(</span><span class="n" style="color: #333;">activeInFinalPhase</span> <span class="p">(</span><span class="n" style="color: #333;">idInlineActivation</span> <span class="n" style="color: #333;">id</span><span class="p">))</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC336" class="line" lang="haskell">  <span class="n" style="color: #333;">expandUnfolding_maybe</span> <span class="p">(</span><span class="n" style="color: #333;">idUnfolding</span> <span class="n" style="color: #333;">id</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC340" class="line" lang="haskell">  <span class="n" style="color: #333;">unf</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">expandUnfolding_maybe</span> <span class="p">(</span><span class="n" style="color: #333;">idUnfolding</span> <span class="n" style="color: #333;">id</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC341" class="line" lang="haskell">  <span class="n" style="color: #333;">guard</span> <span class="p">(</span><span class="n" style="color: #333;">isDataStructure</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">unf</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC342" class="line" lang="haskell">  <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">unf</span></span>

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<pre style="margin: 0;"> <span id="LC343" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC344" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [Arity trimming for CPR signatures]</span></span>

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<pre style="margin: 0;"> <span id="LC345" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="394" 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">@@ -394,15 +400,15 @@ emptyAnalEnv fam_envs</td>

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<pre style="margin: 0;"> <span id="LC400" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">ae_fam_envs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fam_envs</span></span>

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<pre style="margin: 0;"> <span id="LC401" class="line" lang="haskell">  <span class="p">}</span></span>

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<td class="diff-line-num old_line" data-linenumber="396" 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="LC402" class="line" lang="haskell"></span>

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<td class="diff-line-num old old_line" data-linenumber="397" 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="LC397" class="line" lang="haskell"><span class="cd">-- | Extend an environment with the <span class="idiff left right">strictness ID</span>s attached to the id</span></span>

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<pre style="margin: 0;">-<span id="LC398" class="line" lang="haskell"><span class="n" style="color: #333;">extend<span class="idiff left right">AnalEnvs</span></span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span></span>

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<pre style="margin: 0;">-<span id="LC399" class="line" lang="haskell"><span class="n" style="color: #333;">extend<span class="idiff left right">AnalEnvs</span></span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ids</span></span>

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<td class="diff-line-num new old_line" data-linenumber="400" 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="LC403" class="line" lang="haskell"><span class="cd">-- | Extend an environment with the <span class="idiff left right">CPR sig</span>s attached to the id</span></span>

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<pre style="margin: 0;">+<span id="LC404" class="line" lang="haskell"><span class="n" style="color: #333;">extend<span class="idiff left right">SigEnvList</span></span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span></span>

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<pre style="margin: 0;">+<span id="LC405" class="line" lang="haskell"><span class="n" style="color: #333;">extend<span class="idiff left right">SigEnvList</span></span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ids</span></span>

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<td class="diff-line-num new_line" data-linenumber="406" 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="LC406" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span> <span class="p">{</span> <span class="n" style="color: #333;">ae_sigs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sigs'</span> <span class="p">}</span></span>

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<td class="diff-line-num new_line" data-linenumber="407" 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="LC407" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<td class="diff-line-num new_line" data-linenumber="408" 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="LC408" class="line" lang="haskell">    <span class="n" style="color: #333;">sigs'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendVarEnvList</span> <span class="p">(</span><span class="n" style="color: #333;">ae_sigs</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="p">[</span> <span class="p">(</span><span class="n" style="color: #333;">id</span><span class="p">,</span> <span class="n" style="color: #333;">idCprInfo</span> <span class="n" style="color: #333;">id</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">id</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">ids</span> <span class="p">]</span></span>

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<pre style="margin: 0;"> <span id="LC409" class="line" lang="haskell"></span>

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<td class="diff-line-num new_line old" data-linenumber="410" 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="LC404" class="line" lang="haskell"><span class="n" style="color: #333;">extend<span class="idiff left right">Anal</span>Env</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CprSig</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span></span>

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<pre style="margin: 0;">-<span id="LC405" class="line" lang="haskell"><span class="n" style="color: #333;">extend<span class="idiff left right">Anal</span>Env</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">sig</span></span>

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<pre style="margin: 0;">+<span id="LC410" class="line" lang="haskell"><span class="n" style="color: #333;">extend<span class="idiff left right">Sig</span>Env</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CprSig</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span></span>

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<pre style="margin: 0;">+<span id="LC411" class="line" lang="haskell"><span class="n" style="color: #333;">extend<span class="idiff left right">Sig</span>Env</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">sig</span></span>

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<pre style="margin: 0;"> <span id="LC412" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span> <span class="p">{</span> <span class="n" style="color: #333;">ae_sigs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendVarEnv</span> <span class="p">(</span><span class="n" style="color: #333;">ae_sigs</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">sig</span> <span class="p">}</span></span>

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<pre style="margin: 0;"> <span id="LC413" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC414" class="line" lang="haskell"><span class="n" style="color: #333;">lookupSigEnv</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <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;">CprSig</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">@@ -411,17 +417,17 @@ lookupSigEnv env id = lookupVarEnv (ae_sigs env) id</td>

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<pre style="margin: 0;"> <span id="LC417" class="line" lang="haskell"><span class="n" style="color: #333;">nonVirgin</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span></span>

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<pre style="margin: 0;"> <span id="LC418" class="line" lang="haskell"><span class="n" style="color: #333;">nonVirgin</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span> <span class="p">{</span> <span class="n" style="color: #333;">ae_virgin</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="p">}</span></span>

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<pre style="margin: 0;"> <span id="LC419" class="line" lang="haskell"></span>

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<pre style="margin: 0;">-<span id="LC414" class="line" lang="haskell"><span class="cd">-- | A version of 'extend<span class="idiff left right">Anal</span>Env' for a binder of which we don't see the RHS</span></span>

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<pre style="margin: 0;">+<span id="LC420" class="line" lang="haskell"><span class="cd">-- | A version of 'extend<span class="idiff left right">Sig</span>Env' for a binder of which we don't see the RHS</span></span>

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<td class="diff-line-num new_line" data-linenumber="421" 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="LC421" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- needed to compute a 'CprSig' (e.g. lambdas and DataAlt field binders).</span></span>

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<pre style="margin: 0;"> <span id="LC422" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- In this case, we can still look at their demand to attach CPR signatures</span></span>

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<pre style="margin: 0;"> <span id="LC423" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- anticipating the unboxing done by worker/wrapper.</span></span>

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<pre style="margin: 0;"> <span id="LC424" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [CPR for binders that will be unboxed].</span></span>

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<pre style="margin: 0;">-<span id="LC419" class="line" lang="haskell"><span class="n" style="color: #333;">extend<span class="idiff left right">Anal</span>EnvForDemand</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Demand</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC420" class="line" lang="haskell"><span class="n" style="color: #333;">extend<span class="idiff left right">Anal</span>EnvForDemand</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">dmd</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC425" class="line" lang="haskell"><span class="n" style="color: #333;">extend<span class="idiff left right">Sig</span>EnvForDemand</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Demand</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">AnalEnv</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC426" class="line" lang="haskell"><span class="n" style="color: #333;">extend<span class="idiff left right">Sig</span>EnvForDemand</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">dmd</span></span>

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421

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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;">isId</span> <span class="n" style="color: #333;">id</span></span>

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<pre style="margin: 0;"> <span id="LC428" class="line" lang="haskell">  <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">DataConAppContext</span> <span class="p">{</span> <span class="n" style="color: #333;">dcac_dc</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dc</span> <span class="p">})</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;">wantToUnbox</span> <span class="p">(</span><span class="n" style="color: #333;">ae_fam_envs</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="n" style="color: #333;">has_inlineable_prag</span> <span class="p">(</span><span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">id</span><span class="p">)</span> <span class="n" style="color: #333;">dmd</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;">extend<span class="idiff left right">Anal</span>Env</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CprSig</span> <span class="p">(</span><span class="n" style="color: #333;">conCprType</span> <span class="p">(</span><span class="n" style="color: #333;">dataConTag</span> <span class="n" style="color: #333;">dc</span><span class="p">)))</span></span>

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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;">extend<span class="idiff left right">Sig</span>Env</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CprSig</span> <span class="p">(</span><span class="n" style="color: #333;">conCprType</span> <span class="p">(</span><span class="n" style="color: #333;">dataConTag</span> <span class="n" style="color: #333;">dc</span><span class="p">)))</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC431" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="432" 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="LC432" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="433" 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="LC433" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="436" 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="442" 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">@@ -436,7 +442,7 @@ extendEnvForDataAlt :: AnalEnv -> CoreExpr -> Id -> DataCon -> [Var] -> AnalEnv</td>

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<pre style="margin: 0;"> <span id="LC442" class="line" lang="haskell"><span class="n" style="color: #333;">extendEnvForDataAlt</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">scrut</span> <span class="n" style="color: #333;">case_bndr</span> <span class="n" style="color: #333;">dc</span> <span class="n" style="color: #333;">bndrs</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="443" 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="LC443" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldl'</span> <span class="n" style="color: #333;">do_con_arg</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">ids_w_strs</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="444" 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="LC444" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="445" 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="LC439" class="line" lang="haskell">    <span class="n" style="color: #333;">env'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extend<span class="idiff left right">Anal</span>Env</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">case_bndr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CprSig</span> <span class="n" style="color: #333;">case_bndr_ty</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC445" class="line" lang="haskell">    <span class="n" style="color: #333;">env'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extend<span class="idiff left right">Sig</span>Env</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">case_bndr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CprSig</span> <span class="n" style="color: #333;">case_bndr_ty</span><span class="p">)</span></span>

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440

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<pre style="margin: 0;"> <span id="LC446" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC447" class="line" lang="haskell">    <span class="n" style="color: #333;">ids_w_strs</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">filter</span> <span class="n" style="color: #333;">isId</span> <span class="n" style="color: #333;">bndrs</span> <span class="p">`</span><span class="n" style="color: #333;">zip</span><span class="p">`</span> <span class="n" style="color: #333;">dataConRepStrictness</span> <span class="n" style="color: #333;">dc</span></span>

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442

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448

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<pre style="margin: 0;"> <span id="LC448" class="line" lang="haskell"></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="460" 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="466" 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">@@ -460,7 +466,7 @@ extendEnvForDataAlt env scrut case_bndr dc bndrs</td>

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<pre style="margin: 0;"> <span id="LC466" class="line" lang="haskell">       <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">is_var</span> <span class="n" style="color: #333;">scrut</span></span>

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<pre style="margin: 0;"> <span id="LC467" class="line" lang="haskell">       <span class="c1" style="color: #998; font-style: italic;">-- See Note [Add demands for strict constructors] in GHC.Core.Opt.WorkWrap.Utils</span></span>

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<pre style="margin: 0;"> <span id="LC468" class="line" lang="haskell">       <span class="p">,</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">dmd</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">applyWhen</span> <span class="p">(</span><span class="n" style="color: #333;">isMarkedStrict</span> <span class="n" style="color: #333;">str</span><span class="p">)</span> <span class="n" style="color: #333;">strictifyDmd</span> <span class="p">(</span><span class="n" style="color: #333;">idDemandInfo</span> <span class="n" style="color: #333;">id</span><span class="p">)</span></span>

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<pre style="margin: 0;">-<span id="LC463" class="line" lang="haskell">       <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extend<span class="idiff left right">Anal</span>EnvForDemand</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">dmd</span></span>

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<pre style="margin: 0;">+<span id="LC469" class="line" lang="haskell">       <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extend<span class="idiff left right">Sig</span>EnvForDemand</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">dmd</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="470" 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="LC470" class="line" lang="haskell">       <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>

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<td class="diff-line-num new_line" data-linenumber="471" 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="LC471" class="line" lang="haskell">       <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span></span>

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<td class="diff-line-num new_line" data-linenumber="472" 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">

472

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<pre style="margin: 0;"> <span id="LC472" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="645" 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="651" 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">@@ -645,46 +651,72 @@ assumption is that error cases are rarely entered and we are diverging anyway,</td>

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645

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<pre style="margin: 0;"> <span id="LC651" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">so WW doesn't hurt.</span></span>

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646

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652

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<pre style="margin: 0;"> <span id="LC652" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="647" 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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653

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<pre style="margin: 0;"> <span id="LC653" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Should we also trim CPR on DataCon application bindings?</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="648" 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">

648

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<td class="diff-line-num new_line old" data-linenumber="654" 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="LC648" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">See Note [CPR for <span class="idiff left right">expandable unfolding</span>s]!</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="654" 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">

654

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<pre style="margin: 0;">+<span id="LC654" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">See Note [CPR for <span class="idiff left right">data structure</span>s]!</span></span>

</pre>

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649

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655

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<pre style="margin: 0;"> <span id="LC655" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="650" 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">

650

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<td class="diff-line-num new_line old" data-linenumber="656" 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="LC650" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [CPR for <span class="idiff left right">expandable unfolding</span>s]</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="651" 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">

651

</td>

<td class="diff-line-num new_line old" data-linenumber="656" 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="LC651" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<span class="idiff left right">~~~~~~</span></span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="656" 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">

656

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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC656" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [CPR for <span class="idiff left right">data structure</span>s]</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="657" 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">

657

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<pre style="margin: 0;">+<span id="LC657" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>

</pre>

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652

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<td class="diff-line-num new_line" data-linenumber="658" 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">

658

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<pre style="margin: 0;"> <span id="LC658" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Long static data structures (whether top-level or not) like</span></span>

</pre>

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653

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<td class="diff-line-num new_line" data-linenumber="659" 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">

659

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<pre style="margin: 0;"> <span id="LC659" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="654" 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">

654

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<td class="diff-line-num new_line" data-linenumber="660" 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">

660

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<pre style="margin: 0;"> <span id="LC660" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  xs = x1 : xs1</span></span>

</pre>

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655

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<td class="diff-line-num new_line" data-linenumber="661" 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">

661

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<pre style="margin: 0;"> <span id="LC661" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  xs1 = x2 : xs2</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="656" 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">

656

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<td class="diff-line-num new_line" data-linenumber="662" 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">

662

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<pre style="margin: 0;"> <span id="LC662" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  xs2 = x3 : xs3</span></span>

</pre>

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657

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<td class="diff-line-num new_line" data-linenumber="663" 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">

663

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<pre style="margin: 0;"> <span id="LC663" class="line" lang="haskell"></span>

</pre>

</td>

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658

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<td class="diff-line-num new_line old" data-linenumber="664" 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="LC658" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">should not get CPR signatures, because they</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="659" 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">

</td>

<td class="diff-line-num new new_line" data-linenumber="664" 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">

664

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<pre style="margin: 0;">+<span id="LC664" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">should not get CPR signatures<span class="idiff left right"> (#18154)</span>, because they</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="659" 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">

659

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<td class="diff-line-num new_line" data-linenumber="665" 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">

665

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<pre style="margin: 0;"> <span id="LC665" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="660" 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">

660

</td>

<td class="diff-line-num new_line" data-linenumber="666" 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">

666

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<pre style="margin: 0;"> <span id="LC666" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  * Never get WW'd, so their CPR signature should be irrelevant after analysis</span></span>

</pre>

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661

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<td class="diff-line-num new_line" data-linenumber="667" 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">

667

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<pre style="margin: 0;"> <span id="LC667" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    (in fact the signature might even be harmful for that reason)</span></span>

</pre>

</td>

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662

</td>

<td class="diff-line-num new_line" data-linenumber="668" 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">

668

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<pre style="margin: 0;"> <span id="LC668" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  * Would need to be inlined/expanded to see their constructed product</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="663" 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">

663

</td>

<td class="diff-line-num new_line" data-linenumber="669" 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">

669

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<pre style="margin: 0;"> <span id="LC669" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  * Recording CPR on them blows up interface file sizes and is redundant with</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="664" 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">

664

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<td class="diff-line-num new_line" data-linenumber="670" 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">

670

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<pre style="margin: 0;"> <span id="LC670" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    their unfolding. In case of Nested CPR, this blow-up can be quadratic!</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="671" 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">

671

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<pre style="margin: 0;">+<span id="LC671" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    Reason: the CPR info for xs1 contains the CPR info for xs; the CPR info</span></span>

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<pre style="margin: 0;">+<span id="LC672" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    for xs2 contains that for xs1. And so on.</span></span>

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<pre style="margin: 0;">+<span id="LC673" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC674" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Hence we don't analyse or annotate data structures in 'cprAnalBind'. To</span></span>

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<pre style="margin: 0;">+<span id="LC675" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">implement this, the isDataStructure guard is triggered for bindings that satisfy</span></span>

</pre>

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665

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<pre style="margin: 0;"> <span id="LC676" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC666" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">But we can't just stop giving DataCon application bindings the CPR property,</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC677" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  (1) idArity id == 0 (otherwise it's a function)</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC678" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  (2) exprIsHNF rhs   (otherwise it's a thunk, Note [CPR for thunks] applies)</span></span>

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<pre style="margin: 0;">+<span id="LC679" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC680" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">But we can't just stop giving DataCon application bindings the CPR *property*,</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC681" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">for example</span></span>

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<pre style="margin: 0;"> <span id="LC682" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC669" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  fac 0 = <span class="idiff left right">1</span></span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC683" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  fac 0 = <span class="idiff left right">I# 1#</span></span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC684" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  fac n = n * fac (n-1)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC685" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC686" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">fac certainly has the CPR property and should be WW'd! But FloatOut will</span></span>

</pre>

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673

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<pre style="margin: 0;"> <span id="LC687" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">transform the first clause to</span></span>

</pre>

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674

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<pre style="margin: 0;"> <span id="LC688" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC675" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  lvl = <span class="idiff left right">1</span></span></span>

</pre>

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689

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<pre style="margin: 0;">+<span id="LC689" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  lvl = <span class="idiff left right">I# 1#</span></span></span>

</pre>

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676

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690

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<pre style="margin: 0;"> <span id="LC690" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  fac 0 = lvl</span></span>

</pre>

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677

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691

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<pre style="margin: 0;"> <span id="LC691" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="678" 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">

678

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<td class="diff-line-num new_line old" data-linenumber="692" 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="LC678" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">If lvl doesn't have the CPR property, fac won't either. But lvl doesn't have a</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="679" 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">

679

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<td class="diff-line-num new_line old" data-linenumber="692" 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="LC679" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">CPR signature to extrapolate into a CPR transformer ('cprTransform'). So</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="680" 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">

680

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<td class="diff-line-num new_line old" data-linenumber="692" 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="LC680" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">instead we keep on cprAnal'ing through *expandable* unfoldings for these arity</span></span>

</pre>

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681

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<td class="diff-line-num new_line old" data-linenumber="692" 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="LC681" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">0 bindings via 'cprExpandUnfolding_maybe'.</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="692" 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">

692

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<pre style="margin: 0;">+<span id="LC692" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">If lvl doesn't have the CPR property, fac won't either. But lvl is a data</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="693" 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">

693

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<pre style="margin: 0;">+<span id="LC693" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">structure, and hence (see above) will not have a CPR signature. So instead, when</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="694" 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">

694

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<pre style="margin: 0;">+<span id="LC694" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">'cprAnal' meets a variable lacking a CPR signature to extrapolate into a CPR</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="695" 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">

695

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<pre style="margin: 0;">+<span id="LC695" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">transformer, 'cprTransform' instead tries to get its unfolding (via</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="696" 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">

696

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<pre style="margin: 0;">+<span id="LC696" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">'cprDataStructureUnfolding_maybe'), and analyses that instead.</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="682" 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">

682

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<td class="diff-line-num new_line" data-linenumber="697" 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">

697

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<pre style="margin: 0;"> <span id="LC697" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="683" 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">

683

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<td class="diff-line-num new_line" data-linenumber="698" 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">

698

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<pre style="margin: 0;"> <span id="LC698" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">In practice, GHC generates a lot of (nested) TyCon and KindRep bindings, one</span></span>

</pre>

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684

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<td class="diff-line-num new_line old" data-linenumber="699" 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="LC684" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">for each data declaration. It's wasteful to attach CPR signatures to each of</span></span>

</pre>

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685

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<td class="diff-line-num new_line old" data-linenumber="699" 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="LC685" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">them (and intractable in case of Nested CPR).</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="686" 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">

686

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<td class="diff-line-num new_line old" data-linenumber="699" 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="LC686" class="line" lang="haskell"></span>

</pre>

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687

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<td class="diff-line-num new_line old" data-linenumber="699" 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="LC687" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Tracked by #18154.</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="699" 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">

699

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<pre style="margin: 0;">+<span id="LC699" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">for each data declaration. They should not have CPR signatures (blow up!).</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="700" 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">

700

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<pre style="margin: 0;">+<span id="LC700" class="line" lang="haskell"></span>

</pre>

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701

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<pre style="margin: 0;">+<span id="LC701" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">There is a perhaps surprising special case: KindRep bindings satisfy</span></span>

</pre>

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702

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<pre style="margin: 0;">+<span id="LC702" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">'isDataStructure' (so no CPR signature), but are marked NOINLINE at the same</span></span>

</pre>

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703

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<pre style="margin: 0;">+<span id="LC703" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">time (see the noinline wrinkle in Note [Grand plan for Typeable]). So there is</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="704" 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">

704

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<pre style="margin: 0;">+<span id="LC704" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">no unfolding for 'cprDataStructureUnfolding_maybe' to look through and we'll</span></span>

</pre>

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705

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<pre style="margin: 0;">+<span id="LC705" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">return topCprType. And that is fine! We should refrain to look through NOINLINE</span></span>

</pre>

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706

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<pre style="margin: 0;">+<span id="LC706" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">data structures in general, as a constructed product could never be exposed</span></span>

</pre>

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707

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<pre style="margin: 0;">+<span id="LC707" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">after WW.</span></span>

</pre>

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708

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<pre style="margin: 0;">+<span id="LC708" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="709" 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">

709

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<pre style="margin: 0;">+<span id="LC709" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">It's also worth pointing out how ad-hoc this is: If we instead had</span></span>

</pre>

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710

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<pre style="margin: 0;">+<span id="LC710" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="711" 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">

711

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<pre style="margin: 0;">+<span id="LC711" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    f1 x = x:[]</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="712" 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">

712

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<pre style="margin: 0;">+<span id="LC712" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    f2 x = x : f1 x</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="713" 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">

713

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<pre style="margin: 0;">+<span id="LC713" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    f3 x = x : f2 x</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="714" 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">

714

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<pre style="margin: 0;">+<span id="LC714" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    ...</span></span>

</pre>

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715

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<pre style="margin: 0;">+<span id="LC715" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="716" 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">

716

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<pre style="margin: 0;">+<span id="LC716" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">we still give every function an every deepening CPR signature. But it's very</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="717" 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">

717

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<pre style="margin: 0;">+<span id="LC717" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">uncommon to find code like this, whereas the long static data structures from</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="718" 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">

718

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<pre style="margin: 0;">+<span id="LC718" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">the beginning of this Note are very common because of GHC's strategy of ANF'ing</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="719" 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">

719

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<pre style="margin: 0;">+<span id="LC719" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">data structure RHSs.</span></span>

</pre>

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688

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720

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<pre style="margin: 0;"> <span id="LC720" class="line" lang="haskell"></span>

</pre>

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689

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<td class="diff-line-num new_line" data-linenumber="721" 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">

721

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<pre style="margin: 0;"> <span id="LC721" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [CPR examples]</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="690" 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">

690

</td>

<td class="diff-line-num new_line" data-linenumber="722" 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">

722

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<pre style="margin: 0;"> <span id="LC722" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~</span></span>

</pre>

</td>

</tr>

</table>

<br>

</li>

<li id="0e264f20bcb9f21ef8f19196ea35fb751107dd1f">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e3655f810b4eba1fb7d81a3227a08dae8b85dfc4#0e264f20bcb9f21ef8f19196ea35fb751107dd1f"><strong>testsuite/tests/simplCore/should_compile/T7360.stderr</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="92" 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="92" 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">@@ -92,7 +92,7 @@ T7360.$trModule</td>

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<td class="diff-line-num old_line" data-linenumber="92" 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">

92

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<td class="diff-line-num new_line" data-linenumber="92" 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">

92

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<pre style="margin: 0;"> <span id="LC92" class="line" lang="plaintext"></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="93" 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">

93

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<td class="diff-line-num new_line" data-linenumber="93" 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">

93

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<pre style="margin: 0;"> <span id="LC93" class="line" lang="plaintext">-- RHS size: {terms: 3, types: 1, coercions: 0, joins: 0/0}</span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="94" 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">

94

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<td class="diff-line-num new_line" data-linenumber="94" 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">

94

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<pre style="margin: 0;"> <span id="LC94" class="line" lang="plaintext">$krep :: GHC.Types.KindRep</span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="95" 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">

95

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<td class="diff-line-num new_line old" data-linenumber="95" 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="LC95" class="line" lang="plaintext">[GblId, <span class="idiff left right">Cpr=m1, </span>Unf=OtherCon []]</span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="96" 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">

</td>

<td class="diff-line-num new new_line" data-linenumber="95" 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">

95

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<pre style="margin: 0;">+<span id="LC95" class="line" lang="plaintext">[GblId, Unf=OtherCon []]</span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="96" 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">

96

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<td class="diff-line-num new_line" data-linenumber="96" 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">

96

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<pre style="margin: 0;"> <span id="LC96" class="line" lang="plaintext">$krep</span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="97" 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">

97

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<td class="diff-line-num new_line" data-linenumber="97" 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">

97

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<pre style="margin: 0;"> <span id="LC97" class="line" lang="plaintext">  = GHC.Types.KindRepTyConApp</span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="98" 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">

98

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<td class="diff-line-num new_line" data-linenumber="98" 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">

98

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<pre style="margin: 0;"> <span id="LC98" class="line" lang="plaintext">      GHC.Types.$tcInt (GHC.Types.[] @GHC.Types.KindRep)</span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="127" 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="127" 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">@@ -127,7 +127,7 @@ T7360.$tcFoo</td>

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<td class="diff-line-num old_line" data-linenumber="127" 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">

127

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<td class="diff-line-num new_line" data-linenumber="127" 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">

127

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<pre style="margin: 0;"> <span id="LC127" class="line" lang="plaintext"></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="128" 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">

128

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<td class="diff-line-num new_line" data-linenumber="128" 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">

128

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<pre style="margin: 0;"> <span id="LC128" class="line" lang="plaintext">-- RHS size: {terms: 3, types: 1, coercions: 0, joins: 0/0}</span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="129" 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">

129

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<td class="diff-line-num new_line" data-linenumber="129" 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">

129

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<pre style="margin: 0;"> <span id="LC129" class="line" lang="plaintext">T7360.$tc'Foo4 [InlPrag=NOUSERINLINE[~]] :: GHC.Types.KindRep</span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="130" 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">

130

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<td class="diff-line-num new_line old" data-linenumber="130" 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="LC130" class="line" lang="plaintext">[GblId, <span class="idiff left right">Cpr=m1, </span>Unf=OtherCon []]</span>

</pre>

</td>

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<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_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">

</td>

<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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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC130" class="line" lang="plaintext">[GblId, Unf=OtherCon []]</span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="131" 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">

131

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<td class="diff-line-num new_line" data-linenumber="131" 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">

131

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<pre style="margin: 0;"> <span id="LC131" class="line" lang="plaintext">T7360.$tc'Foo4</span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="132" 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="132" 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">

132

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<pre style="margin: 0;"> <span id="LC132" class="line" lang="plaintext">  = GHC.Types.KindRepTyConApp</span>

</pre>

</td>

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<tr class="line_holder" id="" style="line-height: 1.6;">

<td class="diff-line-num old_line" data-linenumber="133" 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">

133

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<td class="diff-line-num new_line" data-linenumber="133" 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">

133

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<pre style="margin: 0;"> <span id="LC133" class="line" lang="plaintext">      T7360.$tcFoo (GHC.Types.[] @GHC.Types.KindRep)</span>

</pre>

</td>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="190" 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="190" 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">@@ -190,7 +190,7 @@ T7360.$tc'Foo2</td>

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<td class="diff-line-num old_line" data-linenumber="190" 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">

190

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<td class="diff-line-num new_line" data-linenumber="190" 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">

190

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<pre style="margin: 0;"> <span id="LC190" class="line" lang="plaintext"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="191" 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">

191

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<td class="diff-line-num new_line" data-linenumber="191" 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">

191

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<pre style="margin: 0;"> <span id="LC191" class="line" lang="plaintext">-- RHS size: {terms: 3, types: 0, coercions: 0, joins: 0/0}</span>

</pre>

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<td class="diff-line-num 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">

192

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<td class="diff-line-num 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">

192

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<pre style="margin: 0;"> <span id="LC192" class="line" lang="plaintext">T7360.$tc'Foo9 [InlPrag=NOUSERINLINE[~]] :: GHC.Types.KindRep</span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="193" 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">

193

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<td class="diff-line-num new_line old" data-linenumber="193" 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="LC193" class="line" lang="plaintext">[GblId, <span class="idiff left right">Cpr=m4, </span>Unf=OtherCon []]</span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="194" 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">

</td>

<td class="diff-line-num new new_line" data-linenumber="193" 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">

193

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<pre style="margin: 0;">+<span id="LC193" class="line" lang="plaintext">[GblId, Unf=OtherCon []]</span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="194" 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">

194

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<td class="diff-line-num new_line" data-linenumber="194" 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">

194

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<pre style="margin: 0;"> <span id="LC194" class="line" lang="plaintext">T7360.$tc'Foo9 = GHC.Types.KindRepFun $krep T7360.$tc'Foo4</span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="195" 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">

195

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<td class="diff-line-num new_line" data-linenumber="195" 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">

195

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<pre style="margin: 0;"> <span id="LC195" class="line" lang="plaintext"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="196" 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">

196

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<td class="diff-line-num new_line" data-linenumber="196" 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">

196

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<pre style="margin: 0;"> <span id="LC196" class="line" lang="plaintext">-- RHS size: {terms: 1, types: 0, coercions: 0, joins: 0/0}</span>

</pre>

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