Issue 176351
Summary [DAG] Add ISD::CMUL to isCommutativeBinOp
Labels good first issue, llvm:SelectionDAG
Assignees
Reporter RKSimon
    ```
define void @src(i8 %x, i8 %y, ptr %p0, ptr %p1) {
  %xy = call i8 @llvm.clmul.i8(i8 %x, i8 %y)
  %yx = call i8 @llvm.clmul.i8(i8 %y, i8 %x)
  store i8 %xy, ptr %p0
  store i8 %yx, ptr %p1
  ret void
}
define void @tgt(i8 %x, i8 %y, ptr %p0, ptr %p1) {
  %xy = call i8 @llvm.clmul.i8(i8 %x, i8 %y)
  store i8 %xy, ptr %p0
  store i8 %xy, ptr %p1
  ret void
}
```
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