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<p>FYI, Igor is out of office for the weekend. Feel free to revert
if needed.</p>
<p>Philip<br>
</p>
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<div class="moz-cite-prefix">On 12/08/2017 08:51 AM, Michel Dänzer
via llvm-commits wrote:<br>
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<blockquote type="cite"
cite="mid:a858491f-7954-e653-fc58-b341b59db731@daenzer.net">
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Hi Igor,
On 2017-12-06 03:04 PM, Igor Laevsky via llvm-commits wrote:
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<pre wrap="">Author: igor.laevsky
Date: Wed Dec 6 06:04:45 2017
New Revision: 319894
URL: <a class="moz-txt-link-freetext" href="http://llvm.org/viewvc/llvm-project?rev=319894&view=rev">http://llvm.org/viewvc/llvm-project?rev=319894&view=rev</a>
Log:
[InstSimplify] Fold insertelement into undef if index is out of bounds
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</blockquote>
<pre wrap="">
This change broke a bunch of piglit OpenGL tests with AMD GPUs using the
Mesa radeonsi driver. I'm attaching the LLVM IR and disassembly of the
generated code for the good and bad case of one test.
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