858     setOperationAction(ISD::SIGN_EXTEND, VT, Expand);  in resetOperationActions()
1194     setOperationAction(ISD::SIGN_EXTEND,       MVT::v4i64, Custom);  in resetOperationActions()
1195     setOperationAction(ISD::SIGN_EXTEND,       MVT::v8i32, Custom);  in resetOperationActions()
1350     setOperationAction(ISD::SIGN_EXTEND,        MVT::v16i32, Custom);  in resetOperationActions()
1351     setOperationAction(ISD::SIGN_EXTEND,        MVT::v8i64, Custom);  in resetOperationActions()
1352     setOperationAction(ISD::SIGN_EXTEND,        MVT::v16i8, Custom);  in resetOperationActions()
1353     setOperationAction(ISD::SIGN_EXTEND,        MVT::v8i16, Custom);  in resetOperationActions()
1354     setOperationAction(ISD::SIGN_EXTEND,        MVT::v16i16, Custom);  in resetOperationActions()
1516   setTargetDAGCombine(ISD::SIGN_EXTEND);  in resetOperationActions()
1800       ValToCopy = DAG.getNode(ISD::SIGN_EXTEND, dl, VA.getLocVT(), ValToCopy);  in LowerReturn()
2576       Arg = DAG.getNode(ISD::SIGN_EXTEND, dl, RegVT, Arg);  in LowerCall()
12826   case ISD::SIGN_EXTEND:        return LowerSIGN_EXTEND(Op, DAG);  in LowerOperation()
15794     if (Extract->use_begin()->getOpcode() != ISD::SIGN_EXTEND &&  in PerformEXTRACT_VECTOR_ELTCombine()
16831         case ISD::SIGN_EXTEND:  in CMPEQCombine()
16913           N->getOpcode() == ISD::SIGN_EXTEND) && "Invalid Node");  in WidenMaskArithmetic()
16974   case ISD::SIGN_EXTEND:  in WidenMaskArithmetic()
17973       N0.getOpcode() == ISD::SIGN_EXTEND)) {  in PerformSIGN_EXTEND_INREGCombine()
17985       return DAG.getNode(ISD::SIGN_EXTEND, dl, MVT::v4i64, Tmp);  in PerformSIGN_EXTEND_INREGCombine()
18196     SDValue P = DAG.getNode(ISD::SIGN_EXTEND, dl, DstVT, Op0);  in PerformSINT_TO_FPCombine()
18383   case ISD::SIGN_EXTEND:    return PerformSExtCombine(N, DAG, DCI, Subtarget);  in PerformDAGCombine()
18424   case ISD::SIGN_EXTEND:  in isTypeDesirableForOp()
18468   case ISD::SIGN_EXTEND:  in IsDesirableToPromoteOp()