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Undo Chris' last patch, it caused a regression.

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llvm-svn: 30991
This commit is contained in:
Reid Spencer 2006-10-16 23:08:08 +00:00
parent 1cf362ec18
commit c6aa794a41
1 changed files with 2 additions and 2 deletions
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4
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -1970,10 +1970,10 @@ Instruction *InstCombiner::visitSub(BinaryOperator &I) {
return BinaryOperator::createAnd(Op0, NewNot);
}
// -(X sdiv C) -> (X sdiv -C)
// 0 - (X sdiv C) -> (X sdiv -C)
if (Op1I->getOpcode() == Instruction::Div)
if (ConstantSInt *CSI = dyn_cast<ConstantSInt>(Op0))
if (!CSI->isNullValue())
if (CSI->isNullValue())
if (Constant *DivRHS = dyn_cast<Constant>(Op1I->getOperand(1)))
return BinaryOperator::createDiv(Op1I->getOperand(0),
ConstantExpr::getNeg(DivRHS));