[llvm] [AMDGPU] Add commute for some VOP3 inst (PR #121326)

[Matt Arsenault via llvm-commits]

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@@ -2749,6 +2749,20 @@ static MachineInstr *swapRegAndNonRegOperand(MachineInstr &MI,
   return &MI;
 }
 
+static MachineInstr *swapInlineConstOperands(MachineInstr &MI,
+                                             MachineOperand &NonRegOp1,
+                                             MachineOperand &NonRegOp2) {
+
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arsenm wrote:

```suggestion
```

https://github.com/llvm/llvm-project/pull/121326