[all-commits] [llvm/llvm-project] 81cdde: AArch64: Mark the NZCV def dead for unused overflo...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 81cdde2cef226f50fcd7db798b5ee5e22dcb1dba
      https://github.com/llvm/llvm-project/commit/81cdde2cef226f50fcd7db798b5ee5e22dcb1dba
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2026-09-28 (Mon, 28 Sep 2026)

  Changed paths:
    M llvm/lib/Target/AArch64/GISel/AArch64InstructionSelector.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/select-sadde.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/select-saddo.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/select-ssube.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/select-ssubo.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/select-uadde.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/select-uaddo.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/select-usube.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/select-usubo.mir

  Log Message:
  -----------
  AArch64: Mark the NZCV def dead for unused overflow results (#227018)

Avoid implicitly depending on later recomputed dead flags.

Co-authored-by: Claude Opus 5 <noreply at anthropic.com>



To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications