[all-commits] [llvm/llvm-project] 25cc80: AMDGPU: Combine nnan fminimum/fmaximum to fminnum_...

Matt Arsenault via All-commits all-commits at lists.llvm.org
Fri May 30 14:35:07 PDT 2025


  Branch: refs/heads/users/arsenm/amdgpu/prefer-fmin-to-fminimum
  Home:   https://github.com/llvm/llvm-project
  Commit: 25cc808a3406ac763a9666752b441f7b0ea22b7a
      https://github.com/llvm/llvm-project/commit/25cc808a3406ac763a9666752b441f7b0ea22b7a
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-05-30 (Fri, 30 May 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/test/CodeGen/AMDGPU/llvm.maximum.f16.ll
    M llvm/test/CodeGen/AMDGPU/llvm.maximum.f32.ll
    M llvm/test/CodeGen/AMDGPU/llvm.minimum.f16.ll
    M llvm/test/CodeGen/AMDGPU/llvm.minimum.f32.ll

  Log Message:
  -----------
  AMDGPU: Combine nnan fminimum/fmaximum to fminnum_ieee/fmaxnum_ieee

This improves codegen for gfx950, where fminimum/fmaximum are
legal through fminimum3/fmaximum3, so may have an additional
encoding cost.



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