[PATCH] D107219: [LICM] Support sinking in LNICM

[toshiki maekawa via Phabricator via llvm-commits]

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Currently, LNICM pass does not support sinking instructions out of loop nest.
This patch enables LNICM to sink down as many instructions to the exit block of outermost loop as possible.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D107219

Files:
  llvm/include/llvm/Transforms/Utils/LoopUtils.h
  llvm/lib/Transforms/Scalar/LICM.cpp
  llvm/test/Transforms/LICM/lnicm-sink.ll

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