[PATCH] D19950: Use frequency info to guide Loop Invariant Code Motion.

[Dehao Chen via llvm-commits]

danielcdh updated this revision to Diff 56324.
danielcdh added a comment.

Add a unittest to cover the added logic.


http://reviews.llvm.org/D19950

Files:
  include/llvm/Transforms/Utils/LoopUtils.h
  lib/Transforms/Scalar/LICM.cpp
  test/Other/pass-pipelines.ll
  test/Transforms/LICM/not-hoist-low-freq.ll

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