[PATCH] D106859: [Sink] allow sinking convergent operations across uniform branches

[Sameer Sahasrabuddhe via Phabricator via llvm-commits]

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This is a preparatory patch for fixing the semantics of attribute
"convergent" in terms of sets of threads determined by divergent
control flow.

See https://reviews.llvm.org/D104504 for the latest discussion.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D106859

Files:
  llvm/include/llvm/Analysis/DivergenceAnalysis.h
  llvm/include/llvm/Analysis/LegacyDivergenceAnalysis.h
  llvm/lib/Analysis/DivergenceAnalysis.cpp
  llvm/lib/Analysis/LegacyDivergenceAnalysis.cpp
  llvm/lib/Transforms/Scalar/Sink.cpp
  llvm/test/Analysis/DivergenceAnalysis/AMDGPU/irreducible.ll
  llvm/test/Transforms/Sink/convergent-divergent.ll
  llvm/test/Transforms/Sink/convergent-uniform.ll
  llvm/test/Transforms/Sink/convergent.ll

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