[all-commits] [llvm/llvm-project] 95d21f: [lld-macho] Reduce memory usage of printing thunks...

[alx32 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 95d21f6015241f1fbf36e495f101080bdcee8cd4
      https://github.com/llvm/llvm-project/commit/95d21f6015241f1fbf36e495f101080bdcee8cd4
  Author: alx32 <103613512+alx32 at users.noreply.github.com>
  Date:   2025-01-15 (Wed, 15 Jan 2025)

  Changed paths:
    M lld/MachO/MapFile.cpp
    M lld/test/MachO/arm64-thunks.s

  Log Message:
  -----------
  [lld-macho] Reduce memory usage of printing thunks in map file (#122785)

This commit improves the memory efficiency of the lld-macho linker by
optimizing how thunks are printed in the map file. Previously, merging
vectors of input sections required creating a temporary vector, which
increased memory usage and in some cases caused the linker to run out of
memory as reported in comments on
https://github.com/llvm/llvm-project/pull/120496. The new approach
interleaves the printing of two arrays of ConcatInputSection in sorted
order without allocating additional memory for a merged array.



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