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Fix x86's XALUO lowering to return its replacement values instead

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of doing the RAUW calls for the overflow value itself. This makes
it more consistent with how the rest of LegalizeDAG works.

llvm-svn: 135788
This commit is contained in:
Dan Gohman 2011-07-22 18:45:15 +00:00
parent 7ca016ba15
commit 734f165c30
1 changed files with 2 additions and 4 deletions
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6
lib/Target/X86/X86ISelLowering.cpp
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@ -9124,8 +9124,7 @@ SDValue X86TargetLowering::LowerXALUO(SDValue Op, SelectionDAG &DAG) const {
DAG.getConstant(X86::COND_O, MVT::i32), DAG.getConstant(X86::COND_O, MVT::i32),
SDValue(Sum.getNode(), 2)); SDValue(Sum.getNode(), 2));
DAG.ReplaceAllUsesOfValueWith(SDValue(N, 1), SetCC); return DAG.getNode(ISD::MERGE_VALUES, DL, N->getVTList(), Sum, SetCC);
return Sum;
} }
} }
@ -9138,8 +9137,7 @@ SDValue X86TargetLowering::LowerXALUO(SDValue Op, SelectionDAG &DAG) const {
DAG.getConstant(Cond, MVT::i32), DAG.getConstant(Cond, MVT::i32),
SDValue(Sum.getNode(), 1)); SDValue(Sum.getNode(), 1));
DAG.ReplaceAllUsesOfValueWith(SDValue(N, 1), SetCC); return DAG.getNode(ISD::MERGE_VALUES, DL, N->getVTList(), Sum, SetCC);
return Sum;
} }
SDValue X86TargetLowering::LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) const{ SDValue X86TargetLowering::LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) const{