[PATCH] D135070: [TTI][Sink] Add target support for sinking more reads

[Carl Ritson via Phabricator via llvm-commits]

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Allow target to indicate some reads may be sunk along critical
edges.  This is useful for applications which have invariant
data loads or can establish apriori absence of memory writes.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D135070

Files:
  llvm/include/llvm/Analysis/TargetTransformInfo.h
  llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
  llvm/lib/Analysis/TargetTransformInfo.cpp
  llvm/lib/Transforms/Scalar/Sink.cpp

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