[PATCH] D113783: [InstCombine] Fold (A^B)|~A-->~(A&B)

Mehrnoosh Heidarpour via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sun Nov 14 06:52:29 PST 2021


MehrHeidar updated this revision to Diff 387081.
MehrHeidar added a comment.

Add a comment to clarify the `Op0` in the `or` operation is guaranteed to be `not` in the foldable pattern due to the swap that is happening before.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D113783/new/

https://reviews.llvm.org/D113783

Files:
  llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
  llvm/test/Transforms/InstCombine/and-or-icmps.ll
  llvm/test/Transforms/InstCombine/or-xor.ll

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