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Fix checking of intermediates having one use in isADDADDMUL

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llvm-svn: 98164
This commit is contained in:
Richard Osborne 2010-03-10 17:16:29 +00:00
parent a1f3ed1aeb
commit 8e7cdbef01
1 changed files with 3 additions and 2 deletions
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5
lib/Target/XCore/XCoreISelLowering.cpp
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@ -607,10 +607,11 @@ isADDADDMUL(SDValue Op, SDValue &Mul0, SDValue &Mul1, SDValue &Addend0,
} else { } else {
return false; return false;
} }
if (requireIntermediatesHaveOneUse && !AddOp.hasOneUse())
return false;
if (OtherOp.getOpcode() == ISD::MUL) { if (OtherOp.getOpcode() == ISD::MUL) {
// add(add(a,b),mul(x,y)) // add(add(a,b),mul(x,y))
if (requireIntermediatesHaveOneUse && if (requireIntermediatesHaveOneUse && !OtherOp.hasOneUse())
(!OtherOp.hasOneUse() || !AddOp.hasOneUse()))
return false; return false;
Mul0 = OtherOp.getOperand(0); Mul0 = OtherOp.getOperand(0);
Mul1 = OtherOp.getOperand(1); Mul1 = OtherOp.getOperand(1);