[PATCH] D66513: [SampleFDO] Add ExtBinary format to support extension of binary profile

[Wei Mi via Phabricator via llvm-commits]

wmi created this revision.
wmi added reviewers: davidxl, mtrofin.
Herald added a project: LLVM.

This is a patch split from https://reviews.llvm.org/D66374. It tries to add a new format of profile called ExtBinary. The format adds a section header table to the profile and organize the profile in sections, so the future extension like adding a new section or extending an existing section will be easier while keeping backward compatiblity feasible.


Repository:
  rL LLVM

https://reviews.llvm.org/D66513

Files:
  include/llvm/ProfileData/SampleProf.h
  include/llvm/ProfileData/SampleProfReader.h
  include/llvm/ProfileData/SampleProfWriter.h
  lib/ProfileData/SampleProfReader.cpp
  lib/ProfileData/SampleProfWriter.cpp
  test/Transforms/SampleProfile/Inputs/inline.extbinary.afdo
  test/Transforms/SampleProfile/compact-binary-profile.ll
  test/Transforms/SampleProfile/profile-format.ll
  tools/llvm-profdata/llvm-profdata.cpp
  unittests/ProfileData/SampleProfTest.cpp

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