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Fix CodeGen/Generic/2007-02-23-DAGCombine-Miscompile.ll and PR1219

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llvm-svn: 34551
This commit is contained in:
Chris Lattner 2007-02-24 02:09:29 +00:00
parent e7afa2a6d9
commit 6faf9e8e97
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/SelectionDAG/TargetLowering.cpp
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@ -1459,11 +1459,11 @@ TargetLowering::SimplifySetCC(MVT::ValueType VT, SDOperand N0, SDOperand N1,
case ISD::SETGT:
case ISD::SETGE:
// True if the sign bit of C1 is set.
return DAG.getConstant((C1 & (1ULL << VSize)) != 0, VT);
return DAG.getConstant((C1 & (1ULL << (VSize-1))) != 0, VT);
case ISD::SETLT:
case ISD::SETLE:
// True if the sign bit of C1 isn't set.
return DAG.getConstant((C1 & (1ULL << VSize)) == 0, VT);
return DAG.getConstant((C1 & (1ULL << (VSize-1))) == 0, VT);
default:
break;
}