[all-commits] [llvm/llvm-project] 7215a8: AArch64: Mark the LR def of GlobalISel calls dead

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/aarch64/gisel-call-dead-lr
  Home:   https://github.com/llvm/llvm-project
  Commit: 7215a8a3439829841e1e4d063445aa5848ed4ca3
      https://github.com/llvm/llvm-project/commit/7215a8a3439829841e1e4d063445aa5848ed4ca3
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2026-09-24 (Thu, 24 Sep 2026)

  Changed paths:
    M llvm/lib/Target/AArch64/GISel/AArch64CallLowering.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/arm64-callingconv-ios.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/arm64-callingconv.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator-switch.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/arm64-this-return.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/call-lowering-alias.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/call-lowering-ifunc.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/call-lowering-signext.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/call-lowering-sret-demotion.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/call-lowering-vectors.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/call-lowering-zeroext.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/call-translator-tail-call-sret.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/call-translator-tail-call-weak.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/call-translator-tail-call.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/call-translator.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/combiner-load-store-indexing.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/integration-shuffle-vector.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/invoke-region.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/irtranslator-arguments.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/irtranslator-delayed-stack-protector.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/irtranslator-exceptions.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/irtranslator-hoisted-constants.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/irtranslator-localescape.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/irtranslator-stack-protector-trap-unreachable.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/irtranslator-unreachable.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/irtranslator-unwind-inline-asm.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-atan2.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-bzero.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-exceptions.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-exp.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-fexp2.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-fmaxnum.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-fminnum.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-fpenv.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-fpmode.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-memcpy-et-al.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-memlib-debug-loc.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-modf.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-pow.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-rem.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-s128-div.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-sin.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-sinh.mir

  Log Message:
  -----------
  AArch64: Mark the LR def of GlobalISel calls dead

In SelectionDAG InstrEmitter would have marked this dead.

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