Target/SystemZ/SystemZISelDAGToDAG.cpp

132   inline SDValue getImm(const SDNode *Node, uint64_t Imm) const {
133     return CurDAG->getTargetConstant(Imm, Node->getValueType(0));
284   // If Op0 is null, then Node is a constant that can be loaded using:
288   // If Op0 is nonnull, then Node can be implemented using:
291   SDNode *splitLargeImmediate(unsigned Opcode, SDNode *Node, SDValue Op0,
326   virtual SDNode *Select(SDNode *Node) LLVM_OVERRIDE;
952 SDNode *SystemZDAGToDAGISel::splitLargeImmediate(unsigned Opcode, SDNode *Node,
955   EVT VT = Node->getValueType(0);
956   SDLoc DL(Node);
1025 SDNode *SystemZDAGToDAGISel::Select(SDNode *Node) {
1026   // Dump information about the Node being selected
1027   DEBUG(errs() << "Selecting: "; Node->dump(CurDAG); errs() << "\n");
1030   if (Node->isMachineOpcode()) {
1031     DEBUG(errs() << "== "; Node->dump(CurDAG); errs() << "\n");
1032     Node->setNodeId(-1);
1036   unsigned Opcode = Node->getOpcode();
1040     if (Node->getOperand(1).getOpcode() != ISD::Constant)
1041       ResNode = tryRxSBG(Node, SystemZ::ROSBG);
1045     if (Node->getOperand(1).getOpcode() != ISD::Constant)
1046       ResNode = tryRxSBG(Node, SystemZ::RXSBG);
1051     if (!ResNode && Node->getValueType(0) == MVT::i64)
1052       if (ConstantSDNode *Op1 = dyn_cast<ConstantSDNode>(Node->getOperand(1))) {
1055           Node = splitLargeImmediate(Opcode, Node, Node->getOperand(0),
1061     if (Node->getOperand(1).getOpcode() != ISD::Constant)
1062       ResNode = tryRxSBG(Node, SystemZ::RNSBG);
1068       ResNode = tryRISBGZero(Node);
1074     if (Node->getValueType(0) == MVT::i64) {
1075       uint64_t Val = cast<ConstantSDNode>(Node)->getZExtValue();
1077         Node = splitLargeImmediate(ISD::OR, Node, SDValue(),
1084     if (ConstantSDNode *Op2 = dyn_cast<ConstantSDNode>(Node->getOperand(2))) {
1086       EVT VT = Node->getValueType(0);
1088         SDValue Ops[] = { Node->getOperand(0), Node->getOperand(1),
1090         Node = CurDAG->MorphNodeTo(Node, ISD::ATOMIC_LOAD_ADD,
1091                                    Node->getVTList(), Ops, array_lengthof(Ops));
1097     SDValue Op0 = Node->getOperand(0);
1098     SDValue Op1 = Node->getOperand(1);
1102       SDValue CCValid = Node->getOperand(2);
1103       SDValue CCMask = Node->getOperand(3);
1111       SDValue Op4 = Node->getOperand(4);
1112       Node = CurDAG->UpdateNodeOperands(Node, Op1, Op0, CCValid, CCMask, Op4);
1120     ResNode = SelectCode(Node);
1123         if (ResNode == NULL || ResNode == Node)
1124           Node->dump(CurDAG);