[all-commits] [llvm/llvm-project] 694023: [AMDGPU] Lower uniform uaddsat.i32 to SALU insts

[Shilei Tian via All-commits]

  Branch: refs/heads/users/gandhi56/amdgpu-isel/uaddsat-i32-gcnpat
  Home:   https://github.com/llvm/llvm-project
  Commit: 694023155e18183e9189b78e43581293d1b45aa5
      https://github.com/llvm/llvm-project/commit/694023155e18183e9189b78e43581293d1b45aa5
  Author: Shilei Tian <i at tianshilei.me>
  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

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
```



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