[PATCH] D154791: [InstCombine] Transform bitwise (A >> C - 1, zext(icmp)) -> zext (bitwise(A < 0, icmp)) fold.

Hongyu Chen via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Jul 24 03:27:10 PDT 2023


XChy updated this revision to Diff 543448.
XChy marked 2 inline comments as done.
XChy added a comment.

- Add m_OneUse guard to zext(icmp).


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D154791/new/

https://reviews.llvm.org/D154791

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

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