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<body><span class="vcard"><a class="email" href="mailto:rnk@google.com" title="Reid Kleckner <rnk@google.com>"> <span class="fn">Reid Kleckner</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - LSR should emit expressions in proper order for CSE to happen"
href="http://llvm.org/bugs/show_bug.cgi?id=864">bug 864</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
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<td>RESOLVED
</td>
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<td style="text-align:right;">CC</td>
<td>
</td>
<td>rnk@google.com
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - LSR should emit expressions in proper order for CSE to happen"
href="http://llvm.org/bugs/show_bug.cgi?id=864#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - LSR should emit expressions in proper order for CSE to happen"
href="http://llvm.org/bugs/show_bug.cgi?id=864">bug 864</a>
from <span class="vcard"><a class="email" href="mailto:rnk@google.com" title="Reid Kleckner <rnk@google.com>"> <span class="fn">Reid Kleckner</span></a>
</span></b>
<pre>We appear to get this right at -O2:
$ clang --target=x86_64-linux -O2 t.c -S -o - -emit-llvm | grep %0
%0 = load i32* %P3, align 4, !tbaa !1
%add = add nsw i32 %0, %mul
%0 is the source variable 't', and we only have one add.</pre>
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