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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/885d2e04854f038fbb899ab545df2b57d9b8bba4">885d2e04</a></strong>
<div>
<span>by klebinger.andreas@gmx.at</span>
<i>at 2019-04-12T18:40:04Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add -ddump-stg-final to dump stg as it is used for codegen.
Intermediate STG does not contain free variables which can be useful
sometimes. So adding a flag to dump that info.
</pre>
</li>
</ul>
<h4>3 changed files:</h4>
<ul>
<li class="file-stats">
<a href="#11e9bfd841c4163c1919b5e07efc84740e02010f">
compiler/main/DynFlags.hs
</a>
</li>
<li class="file-stats">
<a href="#a5d2f1f03da18c26aa3c615ca829648a4a806a5b">
compiler/main/HscMain.hs
</a>
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<li class="file-stats">
<a href="#36435f993774454b5956f3a38a9276ed176c61cc">
docs/users_guide/debugging.rst
</a>
</li>
</ul>
<h4>Changes:</h4>
<li id="11e9bfd841c4163c1919b5e07efc84740e02010f">
<a href="https://gitlab.haskell.org/ghc/ghc/commit/885d2e04854f038fbb899ab545df2b57d9b8bba4#11e9bfd841c4163c1919b5e07efc84740e02010f"><strong>compiler/main/DynFlags.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="384" 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="384" 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">@@ -384,6 +384,7 @@ data DumpFlag</td>
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<td class="diff-line-num old_line" data-linenumber="384" 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">
384
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<td class="diff-line-num new_line" data-linenumber="384" 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">
384
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<pre style="margin: 0;"> <span id="LC384" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Opt_D_dump_spec</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="385" 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">
385
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<td class="diff-line-num new_line" data-linenumber="385" 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">
385
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<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC385" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Opt_D_dump_prep</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="386" 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">
386
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<td class="diff-line-num new_line" data-linenumber="386" 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">
386
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<pre style="margin: 0;"> <span id="LC386" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Opt_D_dump_stg</span></span>
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<td class="diff-line-num new new_line" data-linenumber="387" 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">
387
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<pre style="margin: 0;">+<span id="LC387" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Opt_D_dump_stg_final</span></span>
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387
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<td class="diff-line-num new_line" data-linenumber="388" 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">
388
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<pre style="margin: 0;"> <span id="LC388" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Opt_D_dump_call_arity</span></span>
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388
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<td class="diff-line-num new_line" data-linenumber="389" 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">
389
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<pre style="margin: 0;"> <span id="LC389" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Opt_D_dump_exitify</span></span>
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<td class="diff-line-num old_line" data-linenumber="389" 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">
389
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390
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<pre style="margin: 0;"> <span id="LC390" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Opt_D_dump_stranal</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="3339" 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="3340" 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">@@ -3339,6 +3340,8 @@ dynamic_flags_deps = [</td>
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3339
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<td class="diff-line-num new_line" data-linenumber="3340" 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">
3340
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<pre style="margin: 0;"> <span id="LC3340" class="line" lang="haskell"> <span class="p">(</span><span class="n" style="color: #333;">setDumpFlag</span> <span class="kt" style="color: #458; font-weight: 600;">Opt_D_dump_prep</span><span class="p">)</span></span>
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3340
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<td class="diff-line-num new_line" data-linenumber="3341" 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">
3341
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<pre style="margin: 0;"> <span id="LC3341" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">make_ord_flag</span> <span class="n" style="color: #333;">defGhcFlag</span> <span class="s" style="color: #d14;">"ddump-stg"</span></span>
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3341
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<td class="diff-line-num new_line" data-linenumber="3342" 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">
3342
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<pre style="margin: 0;"> <span id="LC3342" class="line" lang="haskell"> <span class="p">(</span><span class="n" style="color: #333;">setDumpFlag</span> <span class="kt" style="color: #458; font-weight: 600;">Opt_D_dump_stg</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="3343" 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">
3343
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<pre style="margin: 0;">+<span id="LC3343" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">make_ord_flag</span> <span class="n" style="color: #333;">defGhcFlag</span> <span class="s" style="color: #d14;">"ddump-stg-final"</span></span>
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<td class="diff-line-num new new_line" data-linenumber="3344" 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">
3344
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<pre style="margin: 0;">+<span id="LC3344" class="line" lang="haskell"> <span class="p">(</span><span class="n" style="color: #333;">setDumpFlag</span> <span class="kt" style="color: #458; font-weight: 600;">Opt_D_dump_stg_final</span><span class="p">)</span></span>
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3342
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<td class="diff-line-num new_line" data-linenumber="3345" 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">
3345
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<pre style="margin: 0;"> <span id="LC3345" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">make_ord_flag</span> <span class="n" style="color: #333;">defGhcFlag</span> <span class="s" style="color: #d14;">"ddump-call-arity"</span></span>
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3343
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<td class="diff-line-num new_line" data-linenumber="3346" 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">
3346
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<pre style="margin: 0;"> <span id="LC3346" class="line" lang="haskell"> <span class="p">(</span><span class="n" style="color: #333;">setDumpFlag</span> <span class="kt" style="color: #458; font-weight: 600;">Opt_D_dump_call_arity</span><span class="p">)</span></span>
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3344
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3347
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<pre style="margin: 0;"> <span id="LC3347" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">make_ord_flag</span> <span class="n" style="color: #333;">defGhcFlag</span> <span class="s" style="color: #d14;">"ddump-exitify"</span></span>
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<li id="a5d2f1f03da18c26aa3c615ca829648a4a806a5b">
<a href="https://gitlab.haskell.org/ghc/ghc/commit/885d2e04854f038fbb899ab545df2b57d9b8bba4#a5d2f1f03da18c26aa3c615ca829648a4a806a5b"><strong>compiler/main/HscMain.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1470,6 +1470,8 @@ doCodeGen hsc_env this_mod data_tycons</td>
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1470
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<pre style="margin: 0;"> <span id="LC1470" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">dflags</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hsc_dflags</span> <span class="n" style="color: #333;">hsc_env</span></span>
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1471
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1471
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<pre style="margin: 0;"> <span id="LC1471" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC1472" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">stg_binds_w_fvs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">annTopBindingsFreeVars</span> <span class="n" style="color: #333;">stg_binds</span></span>
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<pre style="margin: 0;">+<span id="LC1473" class="line" lang="haskell"> <span class="n" style="color: #333;">dumpIfSet_dyn</span> <span class="n" style="color: #333;">dflags</span> <span class="kt" style="color: #458; font-weight: 600;">Opt_D_dump_stg_final</span></span>
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<pre style="margin: 0;">+<span id="LC1474" class="line" lang="haskell"> <span class="s" style="color: #d14;">"STG for code gen:"</span> <span class="p">(</span><span class="n" style="color: #333;">pprGenStgTopBindings</span> <span class="n" style="color: #333;">stg_binds_w_fvs</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC1475" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">cmm_stream</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Stream</span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="kt" style="color: #458; font-weight: 600;">CmmGroup</span> <span class="nb" style="color: #0086b3;">()</span></span>
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<pre style="margin: 0;"> <span id="LC1476" class="line" lang="haskell"> <span class="n" style="color: #333;">cmm_stream</span> <span class="o" style="font-weight: 600;">=</span> <span class="cp" style="color: #999; font-weight: 600;">{-# SCC "StgCmm" #-}</span></span>
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<pre style="margin: 0;"> <span id="LC1477" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">StgCmm</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">codeGen</span> <span class="n" style="color: #333;">dflags</span> <span class="n" style="color: #333;">this_mod</span> <span class="n" style="color: #333;">data_tycons</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">@@ -380,6 +380,11 @@ These flags dump various phases of GHC's STG pipeline.</td>
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<pre style="margin: 0;"> <span id="LC380" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC381" class="line" lang="plaintext"> Show the output of the intermediate STG-to-STG pass. (*lots* of output!)</span>
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<pre style="margin: 0;"> <span id="LC382" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">+<span id="LC383" class="line" lang="plaintext">.. ghc-flag:: -ddump-stg-final</span>
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<pre style="margin: 0;">+<span id="LC384" class="line" lang="plaintext"> :shortdesc: Show output of last STG pass.</span>
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<pre style="margin: 0;">+<span id="LC385" class="line" lang="plaintext"> :type: dynamic</span>
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<pre style="margin: 0;">+<span id="LC386" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">+<span id="LC387" class="line" lang="plaintext"> Show the output of the last STG pass before we generate Cmm.</span>
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<pre style="margin: 0;"> <span id="LC388" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC389" class="line" lang="plaintext">C-\\- representation</span>
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<pre style="margin: 0;"> <span id="LC390" class="line" lang="plaintext">~~~~~~~~~~~~~~~~~~~~</span>
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