[PATCH] D58064: [ThinLTO] Record in index whether IR used a flattened sample PGO profile

[Teresa Johnson via Phabricator via llvm-commits]

tejohnson created this revision.
tejohnson added a reviewer: wmi.
Herald added subscribers: arphaman, dexonsmith, steven_wu, eraman, inglorion, mehdi_amini.
Herald added a project: LLVM.

This will be used to adjust importing threshold defaults, since
flattened profiles are less accurate about hotness.

It required moving the flattened-profile-use flag definition to a
different location that is accessible by the pass managers as well as
from the module summary index.


Repository:
  rL LLVM

https://reviews.llvm.org/D58064

Files:
  include/llvm/IR/ModuleSummaryIndex.h
  lib/Analysis/ModuleSummaryAnalysis.cpp
  lib/Bitcode/Reader/BitcodeReader.cpp
  lib/Bitcode/Writer/BitcodeWriter.cpp
  lib/ProfileData/SampleProf.cpp
  lib/Transforms/IPO/PassManagerBuilder.cpp
  test/Bitcode/thinlto-flattened-flag.ll

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