[all-commits] [llvm/llvm-project] 5223dd: [ctxprof] Prepare profile format for flat profiles...

[Mircea Trofin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5223ddd83fb184716d0201450ee9818e5f92efb6
      https://github.com/llvm/llvm-project/commit/5223ddd83fb184716d0201450ee9818e5f92efb6
  Author: Mircea Trofin <mtrofin at google.com>
  Date:   2025-03-05 (Wed, 05 Mar 2025)

  Changed paths:
    M compiler-rt/lib/ctx_profile/CtxInstrContextNode.h
    M compiler-rt/lib/ctx_profile/CtxInstrProfiling.cpp
    M compiler-rt/lib/ctx_profile/tests/CtxInstrProfilingTest.cpp
    M compiler-rt/test/ctx_profile/TestCases/generate-context.cpp
    M llvm/include/llvm/Analysis/CtxProfAnalysis.h
    M llvm/include/llvm/ProfileData/CtxInstrContextNode.h
    M llvm/include/llvm/ProfileData/PGOCtxProfReader.h
    M llvm/include/llvm/ProfileData/PGOCtxProfWriter.h
    M llvm/lib/Analysis/CtxProfAnalysis.cpp
    M llvm/lib/ProfileData/PGOCtxProfReader.cpp
    M llvm/lib/ProfileData/PGOCtxProfWriter.cpp
    M llvm/test/Analysis/CtxProfAnalysis/flatten-and-annotate.ll
    M llvm/test/Analysis/CtxProfAnalysis/flatten-check-path.ll
    M llvm/test/Analysis/CtxProfAnalysis/flatten-icp.ll
    M llvm/test/Analysis/CtxProfAnalysis/flatten-zero-path.ll
    M llvm/test/Analysis/CtxProfAnalysis/full-cycle.ll
    M llvm/test/Analysis/CtxProfAnalysis/handle-select.ll
    M llvm/test/Analysis/CtxProfAnalysis/inline.ll
    M llvm/test/Analysis/CtxProfAnalysis/load-unapplicable.ll
    M llvm/test/Analysis/CtxProfAnalysis/load.ll
    M llvm/test/ThinLTO/X86/ctxprof.ll
    M llvm/test/Transforms/EliminateAvailableExternally/transform-to-local.ll
    M llvm/test/tools/llvm-ctxprof-util/Inputs/invalid-bad-subctx.yaml
    M llvm/test/tools/llvm-ctxprof-util/Inputs/invalid-no-counters.yaml
    A llvm/test/tools/llvm-ctxprof-util/Inputs/invalid-no-section.yaml
    R llvm/test/tools/llvm-ctxprof-util/Inputs/invalid-no-vector.yaml
    M llvm/test/tools/llvm-ctxprof-util/Inputs/valid.yaml
    M llvm/test/tools/llvm-ctxprof-util/llvm-ctxprof-util-negative.test
    M llvm/test/tools/llvm-ctxprof-util/llvm-ctxprof-util.test
    M llvm/tools/llvm-ctxprof-util/llvm-ctxprof-util.cpp
    M llvm/unittests/ProfileData/PGOCtxProfReaderWriterTest.cpp
    M llvm/unittests/Transforms/Utils/CallPromotionUtilsTest.cpp

  Log Message:
  -----------
  [ctxprof] Prepare profile format for flat profiles (#129626)

The profile format has now a separate section called "Contexts" - there will be a corresponding one for flat profiles. The root has a separate tag because, in addition to not having a callsite ID as all the other context nodes have under it, it will have additional fields in subsequent patches.

The rest of this patch amounts to a bit of refactorings in the reader/writer (for better reuse later) and tests fixups.



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