[all-commits] [llvm/llvm-project] 9602c7: [AMDGPU][Uniformity] V_MBCNT* is never uniform

Carl Ritson via All-commits all-commits at lists.llvm.org
Wed May 17 21:50:50 PDT 2023


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9602c7a0817f34fb4d01194119fe4b75c00ea5ed
      https://github.com/llvm/llvm-project/commit/9602c7a0817f34fb4d01194119fe4b75c00ea5ed
  Author: Carl Ritson <carl.ritson at amd.com>
  Date:   2023-05-18 (Thu, 18 May 2023)

  Changed paths:
    M llvm/lib/Target/AMDGPU/VOP2Instructions.td
    M llvm/test/Analysis/UniformityAnalysis/AMDGPU/MIR/never-uniform.mir

  Log Message:
  -----------
  [AMDGPU][Uniformity] V_MBCNT* is never uniform

Mark V_MBCNT instructions add thread/lane position so will never
be uniform.

Reviewed By: foad

Differential Revision: https://reviews.llvm.org/D150759




More information about the All-commits mailing list