[all-commits] [llvm/llvm-project] 8c1bd6: [MemProf] Optionally print or record the profiled ...

[Teresa Johnson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8c1bd67dee964f286ad78a76a7e87f0284b47ebb
      https://github.com/llvm/llvm-project/commit/8c1bd67dee964f286ad78a76a7e87f0284b47ebb
  Author: Teresa Johnson <tejohnson at google.com>
  Date:   2024-07-10 (Wed, 10 Jul 2024)

  Changed paths:
    M llvm/include/llvm/Analysis/MemoryProfileInfo.h
    M llvm/lib/Analysis/MemoryProfileInfo.cpp
    M llvm/lib/IR/Verifier.cpp
    M llvm/lib/Transforms/Instrumentation/MemProfiler.cpp
    M llvm/test/Transforms/PGOProfile/memprof.ll
    M llvm/test/Verifier/memprof-metadata-bad.ll

  Log Message:
  -----------
  [MemProf] Optionally print or record the profiled sizes of allocations (#98248)

This is the first step in being able to track the total profiled sizes
of allocations successfully marked as cold.

Under a new option -memprof-report-hinted-sizes:
- For unambiguous (non-context-sensitive) allocations, print the
  profiled size and the allocation coldness, along with a hash of the
  allocation's location (to allow for deduplication across modules or
  inline instances).
- For context sensitive allocations, add the size as a 3rd operand on
  the MIB metadata. A follow on patch will propagate this through to the
  thin link where the sizes will be reported for each context after
  cloning.



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