[PATCH] D152934: [LoopIdiom] Preserve alias information for memset_pattern

[William Moses via Phabricator via llvm-commits]

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TBAA/NoAlias/AliasScope and other information is currently preserved
when upgrading to a memcpy/memset. However, this is missing when upgrading to
the macOS memset_pattern function. This adds the same alias information preservation
to memset_pattern


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D152934

Files:
  llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
  llvm/test/Transforms/LoopIdiom/memset-pattern-tbaa.ll

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