[all-commits] [llvm/llvm-project] cb96a3: [memprof] Dump the number of matched frames (#137082)

[Kazu Hirata via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cb96a3dc07b0a26023633ae91fab9b4213730236
      https://github.com/llvm/llvm-project/commit/cb96a3dc07b0a26023633ae91fab9b4213730236
  Author: Kazu Hirata <kazu at google.com>
  Date:   2025-04-23 (Wed, 23 Apr 2025)

  Changed paths:
    M llvm/lib/Transforms/Instrumentation/MemProfiler.cpp
    A llvm/test/Transforms/PGOProfile/memprof-dump-matched-alloc-site.ll
    M llvm/test/Transforms/PGOProfile/memprof-dump-matched-call-sites.ll
    M llvm/test/Transforms/PGOProfile/memprof.ll

  Log Message:
  -----------
  [memprof] Dump the number of matched frames (#137082)

This patch teaches readMemprof to dump the number of frames for each
allocation site match.  This information helps us analyze what part of
the call stack in the MemProf profile has matched the IR.

Aside from updating existing test cases, this patch adds one more test
case, memprof-dump-matched-alloc-site.ll, because none of the existing
test cases has the number of frames greater than one.



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