[all-commits] [llvm/llvm-project] e28e93: AMDGPU: Make vector_shuffle legal for v2i32 with v...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e28e93550a74752714db6fffe50233aa96e536a5
      https://github.com/llvm/llvm-project/commit/e28e93550a74752714db6fffe50233aa96e536a5
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-01-23 (Thu, 23 Jan 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.h
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/test/CodeGen/AMDGPU/shufflevector.v2f32.v2f32.ll
    M llvm/test/CodeGen/AMDGPU/shufflevector.v2f32.v3f32.ll
    M llvm/test/CodeGen/AMDGPU/shufflevector.v2f32.v4f32.ll
    M llvm/test/CodeGen/AMDGPU/shufflevector.v2f32.v8f32.ll
    M llvm/test/CodeGen/AMDGPU/shufflevector.v2i32.v2i32.ll
    M llvm/test/CodeGen/AMDGPU/shufflevector.v2i32.v3i32.ll
    M llvm/test/CodeGen/AMDGPU/shufflevector.v2i32.v4i32.ll
    M llvm/test/CodeGen/AMDGPU/shufflevector.v2i32.v8i32.ll
    M llvm/test/CodeGen/AMDGPU/shufflevector.v2p3.v2p3.ll
    M llvm/test/CodeGen/AMDGPU/shufflevector.v2p3.v3p3.ll
    M llvm/test/CodeGen/AMDGPU/shufflevector.v2p3.v4p3.ll
    M llvm/test/CodeGen/AMDGPU/shufflevector.v2p3.v8p3.ll
    M llvm/test/CodeGen/AMDGPU/vector_shuffle.packed.ll
    M llvm/test/Transforms/InferAddressSpaces/AMDGPU/flat_atomic.ll

  Log Message:
  -----------
  AMDGPU: Make vector_shuffle legal for v2i32 with v_pk_mov_b32 (#123684)

For VALU shuffles, this saves an instruction in some case.



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