[PATCH] D39980: Add heuristics for irreducible loop metadata under PGO

[Hiroshi Yamauchi via Phabricator via llvm-commits]

yamauchi updated this revision to Diff 122926.
yamauchi marked 5 inline comments as done.
yamauchi added a comment.

Rebased and addressed comments.


https://reviews.llvm.org/D39980

Files:
  include/llvm/Analysis/BlockFrequencyInfoImpl.h
  lib/Transforms/Instrumentation/PGOInstrumentation.cpp
  test/Analysis/BlockFrequencyInfo/irreducible_pgo.ll
  test/Transforms/PGOProfile/irreducible.ll

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