[PATCH] D118607: [InstCombine] Remove weaker fence adjacent to a stronger fence

[Anna Thomas via Phabricator via llvm-commits]

anna updated this revision to Diff 404692.
anna added a comment.

support system and singlethread syncscopes. Added test for target-dependent syncscope to showcase need for isIdenticalTo check.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D118607/new/

https://reviews.llvm.org/D118607

Files:
  llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
  llvm/test/Transforms/InstCombine/consecutive-fences.ll

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