[all-commits] [llvm/llvm-project] 61df26: AMDGPU: Add codegen test for ctpop(ballot(x))

[Nicolai Hähnle via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 61df26c86cfec01317fba4f2509bc7469fff13d9
      https://github.com/llvm/llvm-project/commit/61df26c86cfec01317fba4f2509bc7469fff13d9
  Author: Nicolai Hähnle <nicolai.haehnle at amd.com>
  Date:   2022-04-08 (Fri, 08 Apr 2022)

  Changed paths:
    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.i32.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ballot.i64.ll

  Log Message:
  -----------
  AMDGPU: Add codegen test for ctpop(ballot(x))

Highlights a gap in DAG-based ISel where we unnecessarily choose vector
instructions. GlobalISel already looks good.