[PATCH] D93793: [IR] Let IRBuilder's CreateVectorSplat/CreateShuffleVector use poison as placeholder

Allen zhong via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Wed Jan 5 00:04:55 PST 2022


Allen added a comment.

I have a babyism question, why poison is preferred to the undef in the pattern ConstantVector::getSplat ?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D93793/new/

https://reviews.llvm.org/D93793



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