[all-commits] [llvm/llvm-project] 8c03f4: [llvm-profgen] Support COFF binary (#83972)

[Haohai Wen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8c03f400a837dc9333e54ab371e7904aa2bec43c
      https://github.com/llvm/llvm-project/commit/8c03f400a837dc9333e54ab371e7904aa2bec43c
  Author: Haohai Wen <haohai.wen at intel.com>
  Date:   2024-03-15 (Fri, 15 Mar 2024)

  Changed paths:
    M llvm/lib/DebugInfo/Symbolize/Symbolize.cpp
    A llvm/test/tools/llvm-profgen/Inputs/coff-profile.exe
    A llvm/test/tools/llvm-profgen/Inputs/coff-profile.perfscript
    A llvm/test/tools/llvm-profgen/coff-profile.test
    M llvm/tools/llvm-profgen/PerfReader.cpp
    M llvm/tools/llvm-profgen/ProfiledBinary.cpp
    M llvm/tools/llvm-profgen/ProfiledBinary.h

  Log Message:
  -----------
  [llvm-profgen] Support COFF binary (#83972)

Intel Vtune/SEP has supported collecting LBR on Windows and generating
perf-script file which is same format as Linux perf script. This patch
teaches llvm-profgen to disassemble COFF binary so that we can do
Sampling based PGO on Windows.



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