[all-commits] [llvm/llvm-project] fd4bcc: [AMDGPU] Do not fold clamp when only one max sourc...

[Arseniy Obolenskiy via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fd4bcc57cd7f2aabc409768097a976edc40ff05b
      https://github.com/llvm/llvm-project/commit/fd4bcc57cd7f2aabc409768097a976edc40ff05b
  Author: Arseniy Obolenskiy <arseniy.obolenskiy at amd.com>
  Date:   2026-09-21 (Mon, 21 Sep 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
    M llvm/test/CodeGen/AMDGPU/clamp-omod-special-case.mir

  Log Message:
  -----------
  [AMDGPU] Do not fold clamp when only one max source has modifiers (#224517)

Fix isClamp to bail if either max source has a modifier, not only when
both do. Previously `max(x, |x|)` was wrongly folded as if it were x



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