[llvm] [InstCombine] Implemented missed optimization in muldivrem (PR #140916)

[Yingwei Zheng via llvm-commits]

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@@ -1258,7 +1258,9 @@ static Value *foldIDivShl(BinaryOperator &I, InstCombiner::BuilderTy &Builder) {
 /// Common integer divide/remainder transforms
 Instruction *InstCombinerImpl::commonIDivRemTransforms(BinaryOperator &I) {
   assert(I.isIntDivRem() && "Unexpected instruction");
-  Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1);
+  const APInt *C1, *C2;
+  Value *X;
+  Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1), *Op2 = I.getOperand(2);
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dtcxzyw wrote:

A binary operator has no 3rd operand.


https://github.com/llvm/llvm-project/pull/140916