Fixup

goldsteinn · goldsteinn · commit 305c6c86e3ee · 2025-01-10T11:52:02.000-06:00
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
@@ -534,7 +534,7 @@ Instruction *InstCombinerImpl::visitMul(BinaryOperator &I) {
     Shl->setHasNoUnsignedWrap(HasNUW);
     return Shl;
   }
-  if (Value *Res = tryGetLog2(Op0, /*AssumeNonZero=*/false)) {
+  if (Value *Res = tryGetLog2(Op1, /*AssumeNonZero=*/false)) {
     BinaryOperator *Shl = BinaryOperator::CreateShl(Op0, Res);
     // We can only propegate nuw flag.
     Shl->setHasNoUnsignedWrap(HasNUW);

Original file line number	Diff line number	Diff line change
`@@ -534,7 +534,7 @@ Instruction *InstCombinerImpl::visitMul(BinaryOperator &I) {`
`534`	`534`	`Shl->setHasNoUnsignedWrap(HasNUW);`
`535`	`535`	`return Shl;`
`536`	`536`	`}`
`537`		`- if (Value Res = tryGetLog2(Op0, /AssumeNonZero=*/false)) {`
	`537`	`+ if (Value Res = tryGetLog2(Op1, /AssumeNonZero=*/false)) {`
`538`	`538`	`BinaryOperator *Shl = BinaryOperator::CreateShl(Op0, Res);`
`539`	`539`	`// We can only propegate nuw flag.`
`540`	`540`	`Shl->setHasNoUnsignedWrap(HasNUW);`