[PATCH] D148877: [PGO]Implement metadata combine for 'branch_weights' of direct callsites

[Mingming Liu via Phabricator via llvm-commits]

mingmingl updated this revision to Diff 515631.
mingmingl edited the summary of this revision.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D148877/new/

https://reviews.llvm.org/D148877

Files:
  llvm/include/llvm/IR/Metadata.h
  llvm/lib/IR/Metadata.cpp
  llvm/lib/Transforms/Utils/Local.cpp
  llvm/test/Transforms/SimplifyCFG/merge-direct-call-branch-weights-in-hoist.ll
  llvm/test/Transforms/SimplifyCFG/merge-direct-call-branch-weights-in-sink.ll

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