[PATCH] D76702: [ValueTracking] improve undef/poison analysis for constants

[Sanjay Patel via Phabricator via llvm-commits]

spatel created this revision.
spatel added reviewers: aqjune, jdoerfert, reames.
Herald added subscribers: hiraditya, mcrosier.

This overlaps with D76010 <https://reviews.llvm.org/D76010>, but I wanted to check if I'm missing any known corner cases for poison/undef. If so, I can add tests and/or improve the LangRef to make that more obvious.


https://reviews.llvm.org/D76702

Files:
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/test/Transforms/InstSimplify/freeze.ll

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