[all-commits] [llvm/llvm-project] 15fdf7: [AMDGPU] Support Wave Reduction for i16 types - 2 ...

Aaditya via All-commits all-commits at lists.llvm.org
Wed Jun 10 02:51:22 PDT 2026


  Branch: refs/heads/users/easyonaadit/amdgpu/i16-wave-reduce-add-sub
  Home:   https://github.com/llvm/llvm-project
  Commit: 15fdf79f9e6119c967d6499c54492961cce3a633
      https://github.com/llvm/llvm-project/commit/15fdf79f9e6119c967d6499c54492961cce3a633
  Author: easyonaadit <115080342+easyonaadit at users.noreply.github.com>
  Date:   2026-06-10 (Wed, 10 Jun 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.add.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.reduce.sub.ll

  Log Message:
  -----------
  [AMDGPU] Support Wave Reduction for i16 types - 2 (#194810)

Supported Ops: `add`, `sub`.
Supports only the iterative stratergy, DPP is yet
to be supported.
Supports only Fake-16 versions of the lowering.
True-16 support is yet to be added.



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