[all-commits] [llvm/llvm-project] 02c9e8: [InstCombine][MemProf] Preserve all metadata (#169...

[Marco Elver via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 02c9e8987a22753417c721eba5e5848f3fe33a24
      https://github.com/llvm/llvm-project/commit/02c9e8987a22753417c721eba5e5848f3fe33a24
  Author: Marco Elver <elver at google.com>
  Date:   2025-11-25 (Tue, 25 Nov 2025)

  Changed paths:
    M llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
    M llvm/test/Transforms/InstCombine/simplify-libcalls-new.ll

  Log Message:
  -----------
  [InstCombine][MemProf] Preserve all metadata (#169242)

When rewriting operator new calls to their hot/cold variants for PGHO,
`!alloc_token` metadata was being dropped. This metadata is required by
the AllocToken pass to correctly instrument the optimized allocation.

Fix it by preserving all metadata.



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