[PATCH] D36025: Do not want to use BFI to get profile count for sample pgo

[Dehao Chen via Phabricator via llvm-commits]

danielcdh created this revision.
Herald added subscribers: mehdi_amini, sanjoy.

For SamplePGO, we already record the callsite count in the call instruction itself. So we do not want to use BFI to get profile count as it is less accurate.


https://reviews.llvm.org/D36025

Files:
  lib/Analysis/ProfileSummaryInfo.cpp
  test/Bitcode/Inputs/thinlto-function-summary-callgraph-sample-profile-summary.ll
  test/Bitcode/thinlto-function-summary-callgraph-sample-profile-summary.ll
  unittests/Analysis/ProfileSummaryInfoTest.cpp

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