[all-commits] [llvm/llvm-project] ebcb4c: [AMDGPU][GISel] Handle G_AMDGPU_COPY_VCC_SCC in is...

[anjenner via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ebcb4cee9d37a383c9668ddecc818cbe728a3c02
      https://github.com/llvm/llvm-project/commit/ebcb4cee9d37a383c9668ddecc818cbe728a3c02
  Author: anjenner <161845516+anjenner at users.noreply.github.com>
  Date:   2026-06-10 (Wed, 10 Jun 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
    M llvm/test/CodeGen/AMDGPU/GlobalISel/atomic_optimizations_mul_one.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/fp64-atomics-gfx90a.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.ballot.i32.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.ballot.i64.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ballot.i64.wave32.ll

  Log Message:
  -----------
  [AMDGPU][GISel] Handle G_AMDGPU_COPY_VCC_SCC in isLaneMaskFromSameBlock (#202923)

This avoids generating some redundant ANDs with exec.

---------

Co-authored-by: Matt Arsenault <arsenm2 at gmail.com>



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