[all-commits] [llvm/llvm-project] 069254: AMDGPU: Use minnum instead of maxnum for fmed3 src...

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/amdgpu/fix-nan-constant-src2-fmed3-fold-minnum-not-maxnum
  Home:   https://github.com/llvm/llvm-project
  Commit: 069254f8608ac85c821f214ce61432000701022c
      https://github.com/llvm/llvm-project/commit/069254f8608ac85c821f214ce61432000701022c
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-05-12 (Mon, 12 May 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp
    M llvm/test/Transforms/InstCombine/AMDGPU/fmed3.ll

  Log Message:
  -----------
  AMDGPU: Use minnum instead of maxnum for fmed3 src2-nan fold

By the pseudocode in the ISA manual, if any input is a nan it acts
like min3, which will fold to min2 of the other operands. The other
cases fold to min, I'm not sure how this one was wrong.



To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications