[PATCH] D85604: SimplifyCFG: prevent certain transforms on convergent operations

[Nicolai Hähnle via Phabricator via llvm-commits]

nhaehnle created this revision.
nhaehnle added reviewers: arsenm, foad, sameerds.
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These changes are justified by the new controlled convergent
operations semantics. This change is taken from the otherwise obsolete
https://reviews.llvm.org/D68994

Change-Id: I4f8b780e8c69f98389e4094477fd03e88fc95573


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D85604

Files:
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/lib/Transforms/Utils/SimplifyCFG.cpp
  llvm/test/Transforms/SimplifyCFG/attr-convergent.ll

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