[PATCH] D30282: Add call branch annotation for ICP promoted direct call in SamplePGO mode.

[Dehao Chen via Phabricator via llvm-commits]

danielcdh created this revision.
Herald added a subscriber: mehdi_amini.

SamplePGO uses branch_weight annotation to represent callsite hotness. When ICP promotes an indirect call to direct call, we need to make sure the direct call is annotated with branch_weight in SamplePGO mode, so that downstream function inliner can use hot callsite heuristic.


https://reviews.llvm.org/D30282

Files:
  include/llvm/Passes/PassBuilder.h
  include/llvm/Transforms/Instrumentation.h
  include/llvm/Transforms/PGOInstrumentation.h
  lib/Passes/PassBuilder.cpp
  lib/Transforms/IPO/PassManagerBuilder.cpp
  lib/Transforms/IPO/SampleProfile.cpp
  lib/Transforms/Instrumentation/IndirectCallPromotion.cpp
  test/Transforms/PGOProfile/indirect_call_promotion.ll

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