[llvm] [AMDGPU] Remove setcc by using add/sub carryout (PR #155255)

[via llvm-commits]

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@@ -6132,11 +6129,11 @@ SITargetLowering::EmitInstrWithCustomInserter(MachineInstr &MI,
           .addImm(0);
     }
 
-    // clang-format off
-    BuildMI(*BB, MII, DL, TII->get(Opc), Dest.getReg())
-        .add(Src0)
-        .add(Src1);
-    // clang-format on
+    unsigned Opc = (MI.getOpcode() == AMDGPU::S_ADD_CO_PSEUDO)
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LU-JOHN wrote:

Changed.

https://github.com/llvm/llvm-project/pull/155255