[all-commits] [llvm/llvm-project] c7451f: [MemProf] Supporting hinting mostly-cold allocatio...

[Teresa Johnson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c7451ffcb94a1fe53b703e9fc3204bf6cda610a9
      https://github.com/llvm/llvm-project/commit/c7451ffcb94a1fe53b703e9fc3204bf6cda610a9
  Author: Teresa Johnson <tejohnson at google.com>
  Date:   2024-12-20 (Fri, 20 Dec 2024)

  Changed paths:
    M llvm/lib/Transforms/IPO/MemProfContextDisambiguation.cpp
    M llvm/lib/Transforms/Instrumentation/MemProfiler.cpp
    M llvm/test/ThinLTO/X86/memprof-missing-callsite.ll
    M llvm/test/Transforms/PGOProfile/memprof.ll

  Log Message:
  -----------
  [MemProf] Supporting hinting mostly-cold allocations after cloning (#120633)

Optionally unconditionally hint allocations as cold or not cold during
the cloning step if the percentage of bytes allocated is at least that
of the given threshold. This is similar to PR120301 which supports this
during matching, but enables the same behavior during cloning, to reduce
the false positives that can be addressed by cloning at the cost of
carrying the additional size metadata/summary.



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