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Use the new convertFromAPInt instead of convertFromZeroExtendedInteger,
which allows more of the surrounding arithmetic to be done with APInt instead of uint64_t. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47745 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -3754,12 +3754,10 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
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SDOperand True, False;
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MVT::ValueType VT = Node->getOperand(0).getValueType();
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MVT::ValueType NVT = Node->getValueType(0);
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unsigned ShiftAmt = MVT::getSizeInBits(NVT)-1;
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const uint64_t zero[] = {0, 0};
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APFloat apf = APFloat(APInt(MVT::getSizeInBits(VT), 2, zero));
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uint64_t x = 1ULL << ShiftAmt;
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(void)apf.convertFromZeroExtendedInteger
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(&x, MVT::getSizeInBits(NVT), false, APFloat::rmNearestTiesToEven);
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APInt x = APInt::getSignBit(MVT::getSizeInBits(NVT));
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(void)apf.convertFromAPInt(x, false, APFloat::rmNearestTiesToEven);
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Tmp2 = DAG.getConstantFP(apf, VT);
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Tmp3 = DAG.getSetCC(TLI.getSetCCResultTy(),
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Node->getOperand(0), Tmp2, ISD::SETLT);
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@ -3768,7 +3766,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
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DAG.getNode(ISD::FSUB, VT, Node->getOperand(0),
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Tmp2));
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False = DAG.getNode(ISD::XOR, NVT, False,
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DAG.getConstant(1ULL << ShiftAmt, NVT));
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DAG.getConstant(x, NVT));
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Result = DAG.getNode(ISD::SELECT, NVT, Tmp3, True, False);
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break;
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} else {
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