[all-commits] [llvm/llvm-project] f4ca6d: AArch64: Skip analyzeCompare for subregister uses ...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f4ca6d9f7115d3bcecdf25f73afc5516c97f9f58
      https://github.com/llvm/llvm-project/commit/f4ca6d9f7115d3bcecdf25f73afc5516c97f9f58
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-06-04 (Wed, 04 Jun 2025)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
    A llvm/test/CodeGen/AArch64/peephole-opt-analyzeCompare-subreg-use.mir

  Log Message:
  -----------
  AArch64: Skip analyzeCompare for subregister uses (#141654)

The API is broken and doesn't provide a way to report the used
subregister, so it's unsafe to use. This will produce illegal
folds if the subregister is silently dropped.



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