[all-commits] [llvm/llvm-project] 90aece: [AMDGPU] Do not combine V_ASHRREV_I16* to make sdw...

[LU-JOHN via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 90aece05fdd4be2f6ccac93508d7ee7852d336b5
      https://github.com/llvm/llvm-project/commit/90aece05fdd4be2f6ccac93508d7ee7852d336b5
  Author: LU-JOHN <John.Lu at amd.com>
  Date:   2026-05-28 (Thu, 28 May 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIPeepholeSDWA.cpp
    M llvm/test/CodeGen/AMDGPU/GlobalISel/saddsat.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/ssubsat.ll
    M llvm/test/CodeGen/AMDGPU/ashr.v2i16.ll
    M llvm/test/CodeGen/AMDGPU/sdwa-peephole-instr.mir

  Log Message:
  -----------
  [AMDGPU] Do not combine V_ASHRREV_I16* to make sdwa (#198491)

Do not combine V_ASHRREV_I16* instructions to form sdwa instructions.
These instructions zero-fill the high 16-bits.

---------

Signed-off-by: John Lu <John.Lu at amd.com>



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