748       Op.getValueType().isByteSized() ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND;  in PromoteOperand()
1125   case ISD::ZERO_EXTEND:        return visitZERO_EXTEND(N);  in visit()
1198     case ISD::ZERO_EXTEND:  in combine()
1517     SDValue ZExt = DAG.getNode(ISD::ZERO_EXTEND, DL, VT, N0.getOperand(0));  in visitADD()
2121       N0 = DAG.getNode(ISD::ZERO_EXTEND, DL, NewVT, N0);  in visitMULHU()
2122       N1 = DAG.getNode(ISD::ZERO_EXTEND, DL, NewVT, N1);  in visitMULHU()
2233       SDValue Lo = DAG.getNode(ISD::ZERO_EXTEND, DL, NewVT, N->getOperand(0));  in visitUMUL_LOHI()
2234       SDValue Hi = DAG.getNode(ISD::ZERO_EXTEND, DL, NewVT, N->getOperand(1));  in visitUMUL_LOHI()
2302   if ((N0.getOpcode() == ISD::ZERO_EXTEND ||  in SimplifyBinOpWithSameOpcodeHands()
2446       SDValue Zext = DAG.getNode(ISD::ZERO_EXTEND, N->getDebugLoc(),  in visitAND()
3231        || LHSShiftAmt.getOpcode() == ISD::ZERO_EXTEND  in MatchRotate()
3235        || RHSShiftAmt.getOpcode() == ISD::ZERO_EXTEND  in MatchRotate()
3330   if (N1C && N1C->getAPIntValue() == 1 && N0.getOpcode() == ISD::ZERO_EXTEND &&  in visitXOR()
3337     return DAG.getNode(ISD::ZERO_EXTEND, N->getDebugLoc(), VT, V);  in visitXOR()
3530   if (N1C && (N0.getOpcode() == ISD::ZERO_EXTEND ||  in visitSHL()
4019       return DAG.getNode(ISD::ZERO_EXTEND, N->getDebugLoc(), VT, XORNode);  in visitSELECT()
4132       if (ExtOpc == ISD::ZERO_EXTEND && ISD::isSignedIntSetCC(CC))  in ExtendUsesToFormExtLoad()
4412   if ((!LegalOperations || TLI.isOperationLegal(ISD::ZERO_EXTEND, VT)) &&  in visitSIGN_EXTEND()
4414     return DAG.getNode(ISD::ZERO_EXTEND, N->getDebugLoc(), VT, N0);  in visitSIGN_EXTEND()
4463     return DAG.getNode(ISD::ZERO_EXTEND, N->getDebugLoc(), VT, N0);  in visitZERO_EXTEND()
4466   if (N0.getOpcode() == ISD::ZERO_EXTEND || N0.getOpcode() == ISD::ANY_EXTEND)  in visitZERO_EXTEND()
4467     return DAG.getNode(ISD::ZERO_EXTEND, N->getDebugLoc(), VT,  in visitZERO_EXTEND()
4486         return DAG.getNode(ISD::ZERO_EXTEND, N->getDebugLoc(), VT, Op);  in visitZERO_EXTEND()
4566       DoXform = ExtendUsesToFormExtLoad(N, N0, ISD::ZERO_EXTEND, SetCCs, TLI);  in visitZERO_EXTEND()
4581                       ISD::ZERO_EXTEND);  in visitZERO_EXTEND()
4599         DoXform = ExtendUsesToFormExtLoad(N, N0.getOperand(0), ISD::ZERO_EXTEND,  in visitZERO_EXTEND()
4619                         ISD::ZERO_EXTEND);  in visitZERO_EXTEND()
4699       N0.getOperand(0).getOpcode() == ISD::ZERO_EXTEND &&  in visitZERO_EXTEND()
4717       ShAmt = DAG.getNode(ISD::ZERO_EXTEND, DL, MVT::i32, ShAmt);  in visitZERO_EXTEND()
4720                        DAG.getNode(ISD::ZERO_EXTEND, DL, VT, N0.getOperand(0)),  in visitZERO_EXTEND()
4738       N0.getOpcode() == ISD::ZERO_EXTEND ||  in visitANY_EXTEND()
5186   if (N0.getOpcode() == ISD::ZERO_EXTEND ||  in visitTRUNCATE()
7507     bool ZeroExt = In.getOpcode() == ISD::ZERO_EXTEND;  in visitBUILD_VECTOR()
7566               Cast.getOpcode() == ISD::ZERO_EXTEND ||  in visitBUILD_VECTOR()
8386         Temp = DAG.getNode(ISD::ZERO_EXTEND, N2.getDebugLoc(),  in SimplifySelectCC()
8390       Temp = DAG.getNode(ISD::ZERO_EXTEND, N2.getDebugLoc(),  in SimplifySelectCC()
8415         Res = DAG.getNode(ISD::ZERO_EXTEND, DL, VT, Res);  in SimplifySelectCC()