[all-commits] [llvm/llvm-project] 813ae2: [AMDGPU] Detect uniformness of TID / wavefrontsize

[Stanislav Mekhanoshin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 813ae2871d71f32cce46768e63185cd64651f6e9
      https://github.com/llvm/llvm-project/commit/813ae2871d71f32cce46768e63185cd64651f6e9
  Author: Stanislav Mekhanoshin <Stanislav.Mekhanoshin at amd.com>
  Date:   2022-08-26 (Fri, 26 Aug 2022)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp
    A llvm/test/CodeGen/AMDGPU/uniform-load-from-tid.ll

  Log Message:
  -----------
  [AMDGPU] Detect uniformness of TID / wavefrontsize

A value of 'workitemid / wavefrontize' or 'workitemid & (wavefrontize - 1)'
is wave uniform.

Differential Revision: https://reviews.llvm.org/D132511