Apparently we can't expect a BinaryOperator here.
Should fix llvm-gcc selfhost.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134699 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 2a362eb..2afec33 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -2502,14 +2502,14 @@
}
void SelectionDAGBuilder::visitSDiv(const User &I) {
- const BinaryOperator *BO = cast<BinaryOperator>(&I);
SDValue Op1 = getValue(I.getOperand(0));
SDValue Op2 = getValue(I.getOperand(1));
// Turn exact SDivs into multiplications.
// FIXME: This should be in DAGCombiner, but it doesn't have access to the
// exact bit.
- if (BO->isExact() && !isa<ConstantSDNode>(Op1) &&
+ if (isa<BinaryOperator>(&I) && cast<BinaryOperator>(&I)->isExact() &&
+ !isa<ConstantSDNode>(Op1) &&
isa<ConstantSDNode>(Op2) && !cast<ConstantSDNode>(Op2)->isNullValue())
setValue(&I, TLI.BuildExactSDIV(Op1, Op2, getCurDebugLoc(), DAG));
else