[all-commits] [llvm/llvm-project] 95ff1f: [AMDGPU] Lower uniform uaddsat.i32 to SALU insts (...

[Anshil Gandhi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 95ff1fa00ed4c35b3589fa92b591e02444fcc5d5
      https://github.com/llvm/llvm-project/commit/95ff1fa00ed4c35b3589fa92b591e02444fcc5d5
  Author: Anshil Gandhi <95053726+gandhi56 at users.noreply.github.com>
  Date:   2026-07-16 (Thu, 16 Jul 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SOPInstructions.td
    M llvm/test/CodeGen/AMDGPU/add-max.ll
    M llvm/test/CodeGen/AMDGPU/uaddsat.ll

  Log Message:
  -----------
  [AMDGPU] Lower uniform uaddsat.i32 to SALU insts (#210168)

Map uaddsat.i32(i32 %a, i32 %b) to the following:

```
s_not_b32 s4, s17          ; s17 = %b
s_min_u32 s4, s16, s4      ; s16 = %a
s_add_u32 s4, s4, s17
```

Co-authored-by: Shilei Tian <i at tianshilei.me>



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