[all-commits] [llvm/llvm-project] d2a103: [memprof] Remove const from the return type of toM...

[Kazu Hirata via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d2a103e682d65c3bfdff1d6a6f7b114e6cf4ff76
      https://github.com/llvm/llvm-project/commit/d2a103e682d65c3bfdff1d6a6f7b114e6cf4ff76
  Author: Kazu Hirata <kazu at google.com>
  Date:   2024-05-28 (Tue, 28 May 2024)

  Changed paths:
    M llvm/include/llvm/ProfileData/MemProf.h
    M llvm/lib/ProfileData/MemProf.cpp

  Log Message:
  -----------
  [memprof] Remove const from the return type of toMemProfRecord (#93415)

"const" being removed in this patch prevents the move semantics from
being used in:

  AI.CallStack = Callback(IndexedAI.CSId);

With this patch on an indexed MemProf Version 2 profile, the cycle
count and instruction count go down by 13.3% and 26.3%, respectively,
with "llvm-profdata show" modified to deserialize all MemProfRecords.



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