1244       Op.getValueType().isByteSized() ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND;  in PromoteOperand()
1679   case ISD::SIGN_EXTEND:        return visitSIGN_EXTEND(N);  in visit()
1791     case ISD::SIGN_EXTEND:  in combine()
2329     if (N0.getOpcode() == ISD::SIGN_EXTEND && N0.hasOneUse() &&  in visitADDLike()
2675   if (N0.getOpcode() == ISD::SIGN_EXTEND &&  in visitADDLikeCommutative()
3415     SDValue SExt = DAG.getNode(ISD::SIGN_EXTEND, DL, VT, N1.getOperand(0));  in visitSUB()
4370       N0 = DAG.getNode(ISD::SIGN_EXTEND, DL, NewVT, N0);  in visitMULHS()
4371       N1 = DAG.getNode(ISD::SIGN_EXTEND, DL, NewVT, N1);  in visitMULHS()
4503       SDValue Lo = DAG.getNode(ISD::SIGN_EXTEND, DL, NewVT, N->getOperand(0));  in visitSMUL_LOHI()
4504       SDValue Hi = DAG.getNode(ISD::SIGN_EXTEND, DL, NewVT, N->getOperand(1));  in visitSMUL_LOHI()
4655       HandOpcode == ISD::SIGN_EXTEND) {  in hoistLogicOpWithSameOpcodeHands()
5719       if (SubRHS.getOpcode() == ISD::SIGN_EXTEND &&  in visitAND()
5775     if (LHS->getOpcode() != ISD::SIGN_EXTEND)  in visitAND()
6869   if ((LHSShiftAmt.getOpcode() == ISD::SIGN_EXTEND ||  in MatchRotate()
6873       (RHSShiftAmt.getOpcode() == ISD::SIGN_EXTEND ||  in MatchRotate()
7003   case ISD::SIGN_EXTEND:  in calculateByteProvider()
7077   case ISD::SIGN_EXTEND:  in stripTruncAndExt()
8110        N0.getOpcode() == ISD::SIGN_EXTEND) &&  in visitSHL()
8298   bool IsSignExt = LeftOp.getOpcode() == ISD::SIGN_EXTEND;  in combineShiftToMULH()
8439           TLI.isOperationLegalOrCustom(ISD::SIGN_EXTEND, TruncVT) &&  in visitSRA()
8449         return DAG.getNode(ISD::SIGN_EXTEND, DL,  in visitSRA()
9118         NotCond = DAG.getNode(ISD::SIGN_EXTEND, DL, VT, NotCond);  in foldSelectOfConstants()
9130         Cond = DAG.getNode(ISD::SIGN_EXTEND, DL, VT, Cond);  in foldSelectOfConstants()
9150           Cond = DAG.getNode(ISD::SIGN_EXTEND, DL, VT, Cond);  in foldSelectOfConstants()
9465   if (Index.getOpcode() == ISD::SIGN_EXTEND) {  in refineIndexType()
9633     auto ExtendOpcode = AllAddOne ? ISD::ZERO_EXTEND : ISD::SIGN_EXTEND;  in foldVSelectOfConstants()
9736         auto ExtOpcode = IsSigned ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND;  in visitVSELECT()
9979   assert((Opcode == ISD::SIGN_EXTEND || Opcode == ISD::ZERO_EXTEND ||  in tryToFoldExtendOfConstant()
10009         FoldOpc = ISD::SIGN_EXTEND;  in tryToFoldExtendOfConstant()
10046     if (Opcode == ISD::SIGN_EXTEND || Opcode == ISD::SIGN_EXTEND_VECTOR_INREG)  in tryToFoldExtendOfConstant()
10146   assert((N->getOpcode() == ISD::SIGN_EXTEND ||  in CombineExtLoad()
10183       N->getOpcode() == ISD::SIGN_EXTEND ? ISD::SEXTLOAD : ISD::ZEXTLOAD;  in CombineExtLoad()
10322   assert((CastOpcode == ISD::SIGN_EXTEND || CastOpcode == ISD::ZERO_EXTEND ||  in matchVSelectOpSizesWithSetCC()
10464   assert((N->getOpcode() == ISD::SIGN_EXTEND ||  in foldExtendedSignBitTest()
10491         N->getOpcode() == ISD::SIGN_EXTEND ? ISD::SRA : ISD::SRL;  in foldExtendedSignBitTest()
10508   if (N0.getOpcode() == ISD::SIGN_EXTEND || N0.getOpcode() == ISD::ANY_EXTEND)  in visitSIGN_EXTEND()
10509     return DAG.getNode(ISD::SIGN_EXTEND, DL, VT, N0.getOperand(0));  in visitSIGN_EXTEND()
10541         return DAG.getNode(ISD::SIGN_EXTEND, DL, VT, Op);  in visitSIGN_EXTEND()
10564                              ISD::SEXTLOAD, ISD::SIGN_EXTEND))  in visitSIGN_EXTEND()
10569                                ISD::SIGN_EXTEND))  in visitSIGN_EXTEND()
10595                                              ISD::SIGN_EXTEND, SetCCs, TLI);  in visitSIGN_EXTEND()
10604         ExtendSetCCUses(SetCCs, N0.getOperand(0), ExtLoad, ISD::SIGN_EXTEND);  in visitSIGN_EXTEND()
10734       return DAG.getNode(ISD::SIGN_EXTEND, DL, VT, NewXor);  in visitSIGN_EXTEND()
11067       N0.getOpcode() == ISD::SIGN_EXTEND)  in visitANY_EXTEND()
11539   if (N0.getOpcode() == ISD::SIGN_EXTEND || N0.getOpcode() == ISD::ANY_EXTEND) {  in visitSIGN_EXTEND_INREG()
11544         (!LegalOperations || TLI.isOperationLegal(ISD::SIGN_EXTEND, VT)))  in visitSIGN_EXTEND_INREG()
11545       return DAG.getNode(ISD::SIGN_EXTEND, SDLoc(N), VT, N00);  in visitSIGN_EXTEND_INREG()
11564         (!LegalOperations || TLI.isOperationLegal(ISD::SIGN_EXTEND, VT)))  in visitSIGN_EXTEND_INREG()
11565       return DAG.getNode(ISD::SIGN_EXTEND, SDLoc(N), VT, N00, N1);  in visitSIGN_EXTEND_INREG()
11735       N0.getOpcode() == ISD::SIGN_EXTEND ||  in visitTRUNCATE()
11984     if (N00.getOpcode() == ISD::SIGN_EXTEND ||  in visitTRUNCATE()
12272         X = DAG.getNode(ISD::SIGN_EXTEND, SDLoc(N), VT, X);  in visitBITCAST()
14230       unsigned ExtOp = IsInputSigned && IsOutputSigned ? ISD::SIGN_EXTEND  in FoldIntToFPToInt()
15183       Val = DAG.getNode(ISD::SIGN_EXTEND, SDLoc(LD), LDType, Val);  in extendLoadedValueToExtension()