[PATCH] D29306: Expose isLegalToPromot as a global helper function so that SamplePGO pass can call it for legality check.

[Dehao Chen via Phabricator via llvm-commits]

danielcdh created this revision.

SamplePGO needs to check if it is legal to promote a target before it actually promotes it.


https://reviews.llvm.org/D29306

Files:
  include/llvm/Transforms/Instrumentation.h
  lib/Transforms/Instrumentation/IndirectCallPromotion.cpp

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