983       Op.getValueType().isByteSized() ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND;  in PromoteOperand()
1396   case ISD::ZERO_EXTEND:        return visitZERO_EXTEND(N);  in visit()
1485     case ISD::ZERO_EXTEND:  in combine()
1762     SDValue ZExt = DAG.getNode(ISD::ZERO_EXTEND, DL, VT, N0.getOperand(0));  in visitADD()
2531       N0 = DAG.getNode(ISD::ZERO_EXTEND, DL, NewVT, N0);  in visitMULHU()
2532       N1 = DAG.getNode(ISD::ZERO_EXTEND, DL, NewVT, N1);  in visitMULHU()
2640       SDValue Lo = DAG.getNode(ISD::ZERO_EXTEND, DL, NewVT, N->getOperand(0));  in visitUMUL_LOHI()
2641       SDValue Hi = DAG.getNode(ISD::ZERO_EXTEND, DL, NewVT, N->getOperand(1));  in visitUMUL_LOHI()
2721   if ((N0.getOpcode() == ISD::ZERO_EXTEND ||  in SimplifyBinOpWithSameOpcodeHands()
2999           return DAG.getNode(ISD::ZERO_EXTEND, SL, VT, And);  in visitANDLike()
3110       SDValue Zext = DAG.getNode(ISD::ZERO_EXTEND, SDLoc(N),  in visitAND()
4103        LHSShiftAmt.getOpcode() == ISD::ZERO_EXTEND ||  in MatchRotate()
4107        RHSShiftAmt.getOpcode() == ISD::ZERO_EXTEND ||  in MatchRotate()
4190   if (isOneConstant(N1) && N0.getOpcode() == ISD::ZERO_EXTEND &&  in visitXOR()
4198     return DAG.getNode(ISD::ZERO_EXTEND, SDLoc(N), VT, V);  in visitXOR()
4484   if (N1C && (N0.getOpcode() == ISD::ZERO_EXTEND ||  in visitSHL()
4509   if (N1C && N0.getOpcode() == ISD::ZERO_EXTEND && N0.hasOneUse() &&  in visitSHL()
4524           return DAG.getNode(ISD::ZERO_EXTEND, SDLoc(N0), VT, NewSHL);  in visitSHL()
5115       return DAG.getNode(ISD::ZERO_EXTEND, SDLoc(N), VT, XORNode);  in visitSELECT()
5786   assert((Opcode == ISD::SIGN_EXTEND || Opcode == ISD::ZERO_EXTEND ||  in tryToFoldExtendOfConstant()
5854       if (ExtOpc == ISD::ZERO_EXTEND && ISD::isSignedIntSetCC(CC))  in ExtendUsesToFormExtLoad()
5925           N->getOpcode() == ISD::ZERO_EXTEND) &&  in CombineExtLoad()
6230   if ((!LegalOperations || TLI.isOperationLegal(ISD::ZERO_EXTEND, VT)) &&  in visitSIGN_EXTEND()
6232     return DAG.getNode(ISD::ZERO_EXTEND, SDLoc(N), VT, N0);  in visitSIGN_EXTEND()
6283   if (N0.getOpcode() == ISD::ZERO_EXTEND || N0.getOpcode() == ISD::ANY_EXTEND)  in visitZERO_EXTEND()
6284     return DAG.getNode(ISD::ZERO_EXTEND, SDLoc(N), VT,  in visitZERO_EXTEND()
6303         return DAG.getNode(ISD::ZERO_EXTEND, SDLoc(N), VT, Op);  in visitZERO_EXTEND()
6346                                TLI.isOperationLegal(ISD::ZERO_EXTEND, VT))) {  in visitZERO_EXTEND()
6398       DoXform = ExtendUsesToFormExtLoad(N, N0, ISD::ZERO_EXTEND, SetCCs, TLI);  in visitZERO_EXTEND()
6413                       ISD::ZERO_EXTEND);  in visitZERO_EXTEND()
6449                                             ISD::ZERO_EXTEND, SetCCs, TLI);  in visitZERO_EXTEND()
6467                         ISD::ZERO_EXTEND);  in visitZERO_EXTEND()
6542       N0.getOperand(0).getOpcode() == ISD::ZERO_EXTEND &&  in visitZERO_EXTEND()
6560       ShAmt = DAG.getNode(ISD::ZERO_EXTEND, DL, MVT::i32, ShAmt);  in visitZERO_EXTEND()
6563                        DAG.getNode(ISD::ZERO_EXTEND, DL, VT, N0.getOperand(0)),  in visitZERO_EXTEND()
6582       N0.getOpcode() == ISD::ZERO_EXTEND ||  in visitANY_EXTEND()
7090   if (N0.getOpcode() == ISD::ZERO_EXTEND ||  in visitTRUNCATE()
9017     if (N0.getOpcode() == ISD::ZERO_EXTEND &&  in visitSINT_TO_FP()
9105                                                        : ISD::ZERO_EXTEND;  in FoldIntToFPToInt()
10366         !TLI.isOperationLegal(ISD::ZERO_EXTEND, TruncateType))  in isLegal()
10427           DAG->getNode(ISD::ZERO_EXTEND, SDLoc(LastInst), FinalType, LastInst);  in loadSlice()
12571     bool ZeroExt = In.getOpcode() == ISD::ZERO_EXTEND;  in reduceBuildVecExtToExtBuildVec()
12622             Cast.getOpcode() == ISD::ZERO_EXTEND ||  in reduceBuildVecExtToExtBuildVec()
14349           Temp = DAG.getNode(ISD::ZERO_EXTEND, SDLoc(N2),  in SimplifySelectCC()
14353         Temp = DAG.getNode(ISD::ZERO_EXTEND, SDLoc(N2),  in SimplifySelectCC()