Target/ARM/ARMISelLowering.cpp

8411 // @param DCI     Context.
8416                             TargetLowering::DAGCombinerInfo &DCI,
8418   SelectionDAG &DAG = DCI.DAG;
8442                                        TargetLowering::DAGCombinerInfo &DCI) {
8446     SDValue Result = combineSelectAndUse(N, N0, N1, DCI, AllOnes);
8451     SDValue Result = combineSelectAndUse(N, N1, N0, DCI, AllOnes);
8461                                  TargetLowering::DAGCombinerInfo &DCI,
8466   if (DCI.isBeforeLegalize() || !Subtarget->hasNEON()
8520   SelectionDAG &DAG = DCI.DAG;
8559                                      TargetLowering::DAGCombinerInfo &DCI,
8565   if (DCI.isBeforeLegalize()) return SDValue();
8670   SelectionDAG &DAG = DCI.DAG;
8697                                  TargetLowering::DAGCombinerInfo &DCI,
8700   return AddCombineTo64bitMLAL(N, DCI, Subtarget);
8709                                           TargetLowering::DAGCombinerInfo &DCI,
8713   SDValue Result = AddCombineToVPADDL(N, N0, N1, DCI, Subtarget);
8719     SDValue Result = combineSelectAndUse(N, N0, N1, DCI);
8728                                  TargetLowering::DAGCombinerInfo &DCI,
8734   SDValue Result = PerformADDCombineWithOperands(N, N0, N1, DCI, Subtarget);
8739   return PerformADDCombineWithOperands(N, N1, N0, DCI, Subtarget);
8745                                  TargetLowering::DAGCombinerInfo &DCI) {
8751     SDValue Result = combineSelectAndUse(N, N1, N0, DCI);
8774                                   TargetLowering::DAGCombinerInfo &DCI,
8779   SelectionDAG &DAG = DCI.DAG;
8805                                  TargetLowering::DAGCombinerInfo &DCI,
8807   SelectionDAG &DAG = DCI.DAG;
8812   if (DCI.isBeforeLegalize() || DCI.isCalledByLegalizer())
8817     return PerformVMULCombine(N, DCI, Subtarget);
8884   DCI.CombineTo(N, Res, false);
8889                                  TargetLowering::DAGCombinerInfo &DCI,
8896   SelectionDAG &DAG = DCI.DAG;
8923     SDValue Result = combineSelectAndUseCommutative(N, true, DCI);
8933                                 TargetLowering::DAGCombinerInfo &DCI,
8939   SelectionDAG &DAG = DCI.DAG;
8966     SDValue Result = combineSelectAndUseCommutative(N, false, DCI);
9061       DCI.CombineTo(N, Res, false);
9087       DCI.CombineTo(N, Res, false);
9103       DCI.CombineTo(N, Res, false);
9123     DCI.CombineTo(N, Res, false);
9130                                  TargetLowering::DAGCombinerInfo &DCI,
9133   SelectionDAG &DAG = DCI.DAG;
9140     SDValue Result = combineSelectAndUseCommutative(N, false, DCI);
9225                                  TargetLowering::DAGCombinerInfo &DCI) {
9242       return DCI.DAG.getNode(ARMISD::BFI, SDLoc(N), N->getValueType(0),
9263     DCI.DAG.ReplaceAllUsesWith(CombineBFI, CombineBFI.getOperand(0));
9272       From1 = DCI.DAG.getNode(
9274         DCI.DAG.getConstant(NewFromMask.countTrailingZeros(), dl, VT));
9275     return DCI.DAG.getNode(ARMISD::BFI, dl, VT, N->getOperand(0), From1,
9276                            DCI.DAG.getConstant(~NewToMask, dl, VT));
9284                                      TargetLowering::DAGCombinerInfo &DCI,
9289     return DCI.CombineTo(N, InDouble.getOperand(0), InDouble.getOperand(1));
9300     SelectionDAG &DAG = DCI.DAG;
9316     if (DCI.DAG.getDataLayout().isBigEndian())
9318     SDValue Result = DCI.CombineTo(N, NewLD1, NewLD2);
9360                                           TargetLowering::DAGCombinerInfo &DCI,
9366   SelectionDAG &DAG = DCI.DAG;
9385     DCI.AddToWorklist(V.getNode());
9394 PerformARMBUILD_VECTORCombine(SDNode *N, TargetLowering::DAGCombinerInfo &DCI) {
9447   SelectionDAG &DAG = DCI.DAG;
9473       DCI.AddToWorklist(V.getNode());
9480   DCI.AddToWorklist(Vec.getNode());
9487                                        TargetLowering::DAGCombinerInfo &DCI) {
9496   SelectionDAG &DAG = DCI.DAG;
9503   DCI.AddToWorklist(Vec.getNode());
9504   DCI.AddToWorklist(V.getNode());
9569                                  TargetLowering::DAGCombinerInfo &DCI) {
9570   SelectionDAG &DAG = DCI.DAG;
9765     DCI.CombineTo(N, NewResults);
9766     DCI.CombineTo(User, SDValue(UpdN.getNode(), NumResultVecs));
9774                                  TargetLowering::DAGCombinerInfo &DCI) {
9775   if (DCI.isBeforeLegalize() || DCI.isCalledByLegalizer())
9778   return CombineBaseUpdate(N, DCI);
9785 static bool CombineVLDDUP(SDNode *N, TargetLowering::DAGCombinerInfo &DCI) {
9786   SelectionDAG &DAG = DCI.DAG;
9848     DCI.CombineTo(User, SDValue(VLDDup.getNode(), ResNo));
9857   DCI.CombineTo(VLD, VLDDupResults);
9865                                       TargetLowering::DAGCombinerInfo &DCI) {
9870   if (CombineVLDDUP(N, DCI))
9891   return DCI.DAG.getNode(ISD::BITCAST, SDLoc(N), VT, Op);
9895                                   TargetLowering::DAGCombinerInfo &DCI) {
9900       DCI.DAG.getTargetLoweringInfo().isTypeLegal(VT))
9901     return CombineBaseUpdate(N, DCI);
9909                                    TargetLowering::DAGCombinerInfo &DCI) {
9920     SelectionDAG &DAG = DCI.DAG;
10003     SelectionDAG  &DAG = DCI.DAG;
10026     SelectionDAG &DAG = DCI.DAG;
10037     DCI.AddToWorklist(Vec.getNode());
10038     DCI.AddToWorklist(ExtElt.getNode());
10039     DCI.AddToWorklist(V.getNode());
10048       DCI.DAG.getTargetLoweringInfo().isTypeLegal(VT))
10049     return CombineBaseUpdate(N, DCI);
10648                                              DAGCombinerInfo &DCI) const {
10651   case ISD::ADDC:       return PerformADDCCombine(N, DCI, Subtarget);
10652   case ISD::ADD:        return PerformADDCombine(N, DCI, Subtarget);
10653   case ISD::SUB:        return PerformSUBCombine(N, DCI);
10654   case ISD::MUL:        return PerformMULCombine(N, DCI, Subtarget);
10655   case ISD::OR:         return PerformORCombine(N, DCI, Subtarget);
10656   case ISD::XOR:        return PerformXORCombine(N, DCI, Subtarget);
10657   case ISD::AND:        return PerformANDCombine(N, DCI, Subtarget);
10658   case ARMISD::BFI:     return PerformBFICombine(N, DCI);
10659   case ARMISD::VMOVRRD: return PerformVMOVRRDCombine(N, DCI, Subtarget);
10660   case ARMISD::VMOVDRR: return PerformVMOVDRRCombine(N, DCI.DAG);
10661   case ISD::STORE:      return PerformSTORECombine(N, DCI);
10662   case ISD::BUILD_VECTOR: return PerformBUILD_VECTORCombine(N, DCI, Subtarget);
10663   case ISD::INSERT_VECTOR_ELT: return PerformInsertEltCombine(N, DCI);
10664   case ISD::VECTOR_SHUFFLE: return PerformVECTOR_SHUFFLECombine(N, DCI.DAG);
10665   case ARMISD::VDUPLANE: return PerformVDUPLANECombine(N, DCI);
10668     return PerformVCVTCombine(N, DCI.DAG, Subtarget);
10670     return PerformVDIVCombine(N, DCI.DAG, Subtarget);
10671   case ISD::INTRINSIC_WO_CHAIN: return PerformIntrinsicCombine(N, DCI.DAG);
10674   case ISD::SRL:        return PerformShiftCombine(N, DCI.DAG, Subtarget);
10677   case ISD::ANY_EXTEND: return PerformExtendCombine(N, DCI.DAG, Subtarget);
10678   case ARMISD::CMOV: return PerformCMOVCombine(N, DCI.DAG);
10679   case ISD::LOAD:       return PerformLOADCombine(N, DCI);
10683     return PerformVLDCombine(N, DCI);
10685     return PerformARMBUILD_VECTORCombine(N, DCI);
10703       return PerformVLDCombine(N, DCI);