[all-commits] [llvm/llvm-project] b929db: [X86] FixupInstTuning: ProcessShiftLeftToAdd shoul...

[Justin Lebar via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b929dbabe54b0974cce73f70c6d3831bd7e1ddfe
      https://github.com/llvm/llvm-project/commit/b929dbabe54b0974cce73f70c6d3831bd7e1ddfe
  Author: Justin Lebar <justin.lebar at gmail.com>
  Date:   2026-05-25 (Mon, 25 May 2026)

  Changed paths:
    M llvm/lib/Target/X86/X86FixupInstTuning.cpp

  Log Message:
  -----------
  [X86] FixupInstTuning: ProcessShiftLeftToAdd should return true after mutating. (#199589)

I think this is almost NFC, though it should affect some of the
compilation statistics like "number of instrs changed by X pass".

This bug was found by a large run of Opus 4.7 looking for bugs in LLVM.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply at anthropic.com>



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