[PATCH] D67977: [InstCombine] Don't apply SimplifyDemandedVectorElts to ConstantAggregateZero GEP indices

Sanjay Patel via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Sep 25 10:37:16 PDT 2019

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spatel added a comment.

> Maybe there's something in PatternMatch we can use that allows undef?

I haven't stepped through the example, but m_Zero() and m_ZeroInt() allow undefs.


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https://reviews.llvm.org/D67977

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