[PATCH] D94306: [LoopRotate] Use llvm.experimental.noalias.scope.decl for duplicating noalias metadata as needed

[Jeroen Dobbelaere via Phabricator via llvm-commits]

jeroen.dobbelaere updated this revision to Diff 318767.
jeroen.dobbelaere added a comment.

Only adapt instructions in the OrigPreHeader starting from the first new llvm.experimental.noalias.scope.decl. This avoids going over potential very large OrigPreHeader blocks, as mentioned by @asbirlea


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D94306/new/

https://reviews.llvm.org/D94306

Files:
  llvm/include/llvm/Transforms/Utils/Cloning.h
  llvm/lib/Transforms/Utils/CloneFunction.cpp
  llvm/lib/Transforms/Utils/LoopRotationUtils.cpp
  llvm/test/Transforms/LoopRotate/noalias.ll

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