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<h3>
Simon Peyton Jones pushed to branch wip/runRW
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
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Commits:
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fad536ea7e2622fb1102df55bd642b4153603503">fad536ea</a></strong>
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<span>by Simon Peyton Jones</span>
<i>at 2020-04-22T11:19:40+01:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Further improvement to the runRW# rule
Now we avoid repeated simplification
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<h4>1 changed file:</h4>
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compiler/GHC/Core/Opt/Simplify.hs
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<h4>Changes:</h4>
<li id="f168a93cde5e2aec2441d6331dfe500172df4af3">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fad536ea7e2622fb1102df55bd642b4153603503#f168a93cde5e2aec2441d6331dfe500172df4af3"><strong>compiler/GHC/Core/Opt/Simplify.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">@@ -1880,14 +1880,36 @@ rebuildCall env info (CastIt co cont)</td>
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<pre style="margin: 0;"> <span id="LC1880" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">info</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToTy</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">})</span></span>
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<pre style="margin: 0;"> <span id="LC1881" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">addTyArgTo</span> <span class="n" style="color: #333;">info</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">)</span> <span class="n" style="color: #333;">cont</span></span>
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<pre style="margin: 0;"> <span id="LC1882" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC1883" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_encl</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">encl_rules</span><span class="p">,</span> <span class="n" style="color: #333;">ai_type</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun_ty</span></span>
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<pre style="margin: 0;">+<span id="LC1883" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">---------- The runRW# rule. Do this after absorbing all arguments ------</span></span>
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<pre style="margin: 0;">+<span id="LC1884" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- runRW# :: forall (r :: RuntimeRep) (o :: TYPE r). (State# RealWorld -> o) -> o</span></span>
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<pre style="margin: 0;">+<span id="LC1885" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- K[ runRW# rr ty (\s. body) ] --> runRW rr' ty' (\s. K[ body ])</span></span>
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<pre style="margin: 0;">+<span id="LC1886" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun</span><span class="p">,</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rev_args</span> <span class="p">})</span></span>
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<pre style="margin: 0;">+<span id="LC1887" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg</span><span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_se</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">})</span></span>
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<pre style="margin: 0;">+<span id="LC1888" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">fun</span> <span class="p">`</span><span class="n" style="color: #333;">hasKey</span><span class="p">`</span> <span class="n" style="color: #333;">runRWKey</span></span>
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<pre style="margin: 0;">+<span id="LC1889" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">contIsStop</span> <span class="n" style="color: #333;">cont</span><span class="p">)</span> <span class="c1" style="color: #998; font-style: italic;">-- Don't fiddle around if the continuation is boring</span></span>
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<pre style="margin: 0;">+<span id="LC1890" class="line" lang="haskell"> <span class="p">,</span> <span class="p">[</span> <span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{},</span> <span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{}</span> <span class="p">]</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rev_args</span></span>
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<pre style="margin: 0;">+<span id="LC1891" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">newId</span> <span class="p">(</span><span class="n" style="color: #333;">fsLit</span> <span class="s" style="color: #d14;">"s"</span><span class="p">)</span> <span class="n" style="color: #333;">realWorldStatePrimTy</span></span>
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<pre style="margin: 0;">+<span id="LC1892" class="line" lang="haskell"> <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</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;">arg_se</span> <span class="p">`</span><span class="n" style="color: #333;">setInScopeFromE</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;">addNewInScopeIds</span><span class="p">`</span> <span class="p">[</span><span class="n" style="color: #333;">s</span><span class="p">]</span></span>
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<pre style="margin: 0;">+<span id="LC1893" class="line" lang="haskell"> <span class="n" style="color: #333;">cont'</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Simplified</span><span class="p">,</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">s</span></span>
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<pre style="margin: 0;">+<span id="LC1894" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">sc_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;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">}</span></span>
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1895
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<pre style="margin: 0;">+<span id="LC1895" class="line" lang="haskell"> <span class="p">;</span> <span class="n" style="color: #333;">body'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplExprC</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">arg</span> <span class="n" style="color: #333;">cont'</span></span>
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1896
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<pre style="margin: 0;">+<span id="LC1896" class="line" lang="haskell"> <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">arg'</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Lam</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">body'</span></span>
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1897
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<pre style="margin: 0;">+<span id="LC1897" class="line" lang="haskell"> <span class="n" style="color: #333;">ty'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">contResultType</span> <span class="n" style="color: #333;">cont</span></span>
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1898
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<pre style="margin: 0;">+<span id="LC1898" class="line" lang="haskell"> <span class="n" style="color: #333;">rr'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">getRuntimeRep</span> <span class="n" style="color: #333;">ty'</span></span>
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1899
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<pre style="margin: 0;">+<span id="LC1899" class="line" lang="haskell"> <span class="n" style="color: #333;">call'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkApps</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">fun</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">mkTyArg</span> <span class="n" style="color: #333;">rr'</span><span class="p">,</span> <span class="n" style="color: #333;">mkTyArg</span> <span class="n" style="color: #333;">ty'</span><span class="p">,</span> <span class="n" style="color: #333;">arg'</span><span class="p">]</span></span>
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1900
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<pre style="margin: 0;">+<span id="LC1900" class="line" lang="haskell"> <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">emptyFloats</span> <span class="n" style="color: #333;">env</span><span class="p">,</span> <span class="n" style="color: #333;">call'</span><span class="p">)</span> <span class="p">}</span></span>
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1901
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<pre style="margin: 0;">+<span id="LC1901" class="line" lang="haskell"></span>
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1902
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<pre style="margin: 0;">+<span id="LC1902" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_type</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun_ty</span><span class="p">,</span> <span class="n" style="color: #333;">ai_encl</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">encl_rules</span></span>
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1884
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1903
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<pre style="margin: 0;"> <span id="LC1903" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">ai_strs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">str</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">strs</span><span class="p">,</span> <span class="n" style="color: #333;">ai_discs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">disc</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">discs</span> <span class="p">})</span></span>
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1885
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1904
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<pre style="margin: 0;"> <span id="LC1904" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg</span><span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_se</span></span>
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1886
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1905
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<pre style="margin: 0;"> <span id="LC1905" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dup_flag</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">})</span></span>
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1906
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<pre style="margin: 0;">+<span id="LC1906" class="line" lang="haskell"></span>
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1907
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<pre style="margin: 0;">+<span id="LC1907" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Argument is already simplified</span></span>
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1887
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1908
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<pre style="margin: 0;"> <span id="LC1908" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isSimplified</span> <span class="n" style="color: #333;">dup_flag</span> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Avoid redundant simplification]</span></span>
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1888
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1909
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<pre style="margin: 0;"> <span id="LC1909" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">addValArgTo</span> <span class="n" style="color: #333;">info'</span> <span class="n" style="color: #333;">arg</span><span class="p">)</span> <span class="n" style="color: #333;">cont</span></span>
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1889
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1910
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<pre style="margin: 0;"> <span id="LC1910" class="line" lang="haskell"></span>
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1890
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<td class="diff-line-num new_line old" data-linenumber="1911" 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="LC1890" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">str</span> <span class="c1" style="color: #998; font-style: italic;">-- Strict argument</span></span>
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1911
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<pre style="margin: 0;">+<span id="LC1911" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Strict arguments</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1912" 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">
1912
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<pre style="margin: 0;">+<span id="LC1912" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">str</span></span>
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1891
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1913
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<pre style="margin: 0;"> <span id="LC1913" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">sm_case_case</span> <span class="p">(</span><span class="n" style="color: #333;">getMode</span> <span class="n" style="color: #333;">env</span><span class="p">)</span></span>
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1892
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1914
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<pre style="margin: 0;"> <span id="LC1914" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="c1" style="color: #998; font-style: italic;">-- pprTrace "Strict Arg" (ppr arg $$ ppr (seIdSubst env) $$ ppr (seInScope env)) $</span></span>
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1893
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1915
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<pre style="margin: 0;"> <span id="LC1915" class="line" lang="haskell"> <span class="n" style="color: #333;">simplExprF</span> <span class="p">(</span><span class="n" style="color: #333;">arg_se</span> <span class="p">`</span><span class="n" style="color: #333;">setInScopeFromE</span><span class="p">`</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="n" style="color: #333;">arg</span></span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1917" 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">@@ -1895,7 +1917,8 @@ rebuildCall env info@(ArgInfo { ai_encl = encl_rules, ai_type = fun_ty</td>
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1895
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1917
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<pre style="margin: 0;"> <span id="LC1917" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Simplified</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">})</span></span>
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1896
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1918
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<pre style="margin: 0;"> <span id="LC1918" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Note [Shadowing]</span></span>
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1897
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1919
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<pre style="margin: 0;"> <span id="LC1919" class="line" lang="haskell"></span>
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1898
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<pre style="margin: 0;">-<span id="LC1898" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="c1" style="color: #998; font-style: italic;">-- Lazy argument</span></span>
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1920
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<pre style="margin: 0;">+<span id="LC1920" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Lazy arguments</span></span>
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1921
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<pre style="margin: 0;">+<span id="LC1921" 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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1899
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1922
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<pre style="margin: 0;"> <span id="LC1922" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- DO NOT float anything outside, hence simplExprC</span></span>
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1900
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1923
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<pre style="margin: 0;"> <span id="LC1923" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- There is no benefit (unlike in a let-binding), and we'd</span></span>
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1901
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1924
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<pre style="margin: 0;"> <span id="LC1924" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- have to be very careful about bogus strictness through</span></span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1946" 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">@@ -1923,25 +1946,6 @@ rebuildCall env info@(ArgInfo { ai_encl = encl_rules, ai_type = fun_ty</td>
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1923
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1946
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<pre style="margin: 0;"> <span id="LC1946" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- It's worth an 18% improvement in allocation for this</span></span>
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1924
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1947
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<pre style="margin: 0;"> <span id="LC1947" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- particular benchmark; 5% on 'mate' and 1.3% on 'multiplier'</span></span>
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1925
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1948
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<pre style="margin: 0;"> <span id="LC1948" class="line" lang="haskell"></span>
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1926
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<pre style="margin: 0;">-<span id="LC1926" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">---------- The runRW# rule. Do this after absorbing all arguments ------</span></span>
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1927
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<pre style="margin: 0;">-<span id="LC1927" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- runRW# :: forall (r :: RuntimeRep) (o :: TYPE r). (State# RealWorld -> o) -> o</span></span>
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1928
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<pre style="margin: 0;">-<span id="LC1928" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- K[ runRW# rr ty (\s. body) ] --> runRW rr' ty' (\s. K[ body ])</span></span>
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1929
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<pre style="margin: 0;">-<span id="LC1929" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun</span><span class="p">,</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rev_args</span> <span class="p">})</span> <span class="n" style="color: #333;">cont</span></span>
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1930
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<pre style="margin: 0;">-<span id="LC1930" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">fun</span> <span class="p">`</span><span class="n" style="color: #333;">hasKey</span><span class="p">`</span> <span class="n" style="color: #333;">runRWKey</span></span>
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1931
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<pre style="margin: 0;">-<span id="LC1931" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">contIsStop</span> <span class="n" style="color: #333;">cont</span><span class="p">)</span> <span class="c1" style="color: #998; font-style: italic;">-- Don't fiddle around if the continuation is boring</span></span>
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1932
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<pre style="margin: 0;">-<span id="LC1932" class="line" lang="haskell"> <span class="p">,</span> <span class="p">[</span> <span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="n" style="color: #333;">arg</span></span>
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1933
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<pre style="margin: 0;">-<span id="LC1933" class="line" lang="haskell"> <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{},</span> <span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{}</span> <span class="p">]</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rev_args</span></span>
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1934
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<pre style="margin: 0;">-<span id="LC1934" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">newId</span> <span class="p">(</span><span class="n" style="color: #333;">fsLit</span> <span class="s" style="color: #d14;">"s"</span><span class="p">)</span> <span class="n" style="color: #333;">realWorldStatePrimTy</span></span>
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1935
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<pre style="margin: 0;">-<span id="LC1935" class="line" lang="haskell"> <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">env'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">zapSubstEnv</span> <span class="n" style="color: #333;">env</span> <span class="p">`</span><span class="n" style="color: #333;">addNewInScopeIds</span><span class="p">`</span> <span class="p">[</span><span class="n" style="color: #333;">s</span><span class="p">]</span></span>
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1936
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<pre style="margin: 0;">-<span id="LC1936" class="line" lang="haskell"> <span class="n" style="color: #333;">cont'</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Simplified</span><span class="p">,</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">s</span></span>
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1937
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<pre style="margin: 0;">-<span id="LC1937" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">sc_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;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">}</span></span>
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1938
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<pre style="margin: 0;">-<span id="LC1938" class="line" lang="haskell"> <span class="p">;</span> <span class="n" style="color: #333;">body'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplExprC</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">arg</span> <span class="n" style="color: #333;">cont'</span></span>
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1939
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<pre style="margin: 0;">-<span id="LC1939" class="line" lang="haskell"> <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">arg'</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Lam</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">body'</span></span>
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1940
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<pre style="margin: 0;">-<span id="LC1940" class="line" lang="haskell"> <span class="n" style="color: #333;">ty'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">contResultType</span> <span class="n" style="color: #333;">cont</span></span>
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1941
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<pre style="margin: 0;">-<span id="LC1941" class="line" lang="haskell"> <span class="n" style="color: #333;">rr'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">getRuntimeRep</span> <span class="n" style="color: #333;">ty'</span></span>
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1942
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<pre style="margin: 0;">-<span id="LC1942" class="line" lang="haskell"> <span class="n" style="color: #333;">call'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkApps</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">fun</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">mkTyArg</span> <span class="n" style="color: #333;">rr'</span><span class="p">,</span> <span class="n" style="color: #333;">mkTyArg</span> <span class="n" style="color: #333;">ty'</span><span class="p">,</span> <span class="n" style="color: #333;">arg'</span><span class="p">]</span></span>
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1943
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<pre style="margin: 0;">-<span id="LC1943" class="line" lang="haskell"> <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">emptyFloats</span> <span class="n" style="color: #333;">env</span><span class="p">,</span> <span class="n" style="color: #333;">call'</span><span class="p">)</span> <span class="p">}</span></span>
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1944
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<pre style="margin: 0;">-<span id="LC1944" class="line" lang="haskell"></span>
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1945
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1949
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<pre style="margin: 0;"> <span id="LC1949" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">---------- No further useful info, revert to generic rebuild ------------</span></span>
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1946
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1950
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<pre style="margin: 0;"> <span id="LC1950" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun</span><span class="p">,</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rev_args</span> <span class="p">})</span> <span class="n" style="color: #333;">cont</span></span>
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1947
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1951
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<pre style="margin: 0;"> <span id="LC1951" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rebuild</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">argInfoExpr</span> <span class="n" style="color: #333;">fun</span> <span class="n" style="color: #333;">rev_args</span><span class="p">)</span> <span class="n" style="color: #333;">cont</span></span>
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