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Apparently we can't expect a BinaryOperator here.

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Should fix llvm-gcc selfhost.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134699 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2011-07-08 12:08:24 +00:00
parent 4455397122
commit 3492a4af12
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@@ -2502,14 +2502,14 @@ void SelectionDAGBuilder::visitShift(const User &I, unsigned Opcode) {
}
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