[all-commits] [llvm/llvm-project] ebb153: Reduce llvm-gsymutil memory usage (#139907)

[peremyach via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ebb15353d2a1edefb40faa0ad56e661b7aee3134
      https://github.com/llvm/llvm-project/commit/ebb15353d2a1edefb40faa0ad56e661b7aee3134
  Author: peremyach <akhabutdinov at meta.com>
  Date:   2025-05-16 (Fri, 16 May 2025)

  Changed paths:
    M llvm/include/llvm/DebugInfo/DWARF/DWARFContext.h
    M llvm/include/llvm/DebugInfo/DWARF/DWARFUnit.h
    M llvm/lib/DebugInfo/DWARF/DWARFContext.cpp
    M llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
    M llvm/lib/DebugInfo/GSYM/DwarfTransformer.cpp

  Log Message:
  -----------
  Reduce llvm-gsymutil memory usage (#139907)

For large binaries gsymutil ends up using too much memory. This diff
adds DIE tree cleanup per compile unit to reduce memory usage.

P. S. Not sure about formatting. Maybe it hasn't been run in a while, or
I have misconfigured something.

`$ git clang-format HEAD~1
clang-format did not modify any files
$ clang-format --version
clang-format version 21.0.0git
(git at github.com:peremyach/llvm-project.git
8d945c8357e1bd9872a34f92620d4916bfd27482)
`

Co-authored-by: Arslan Khabutdinov <akhabutdinov at fb.com>



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