| //===-- llvm/CodeGen/SelectionDAG.h - InstSelection DAG ---------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file was developed by the LLVM research group and is distributed under |
| // the University of Illinois Open Source License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file declares the SelectionDAG class, and transitively defines the |
| // SDNode class and subclasses. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CODEGEN_SELECTIONDAG_H |
| #define LLVM_CODEGEN_SELECTIONDAG_H |
| |
| #include "llvm/CodeGen/SelectionDAGNodes.h" |
| #include "llvm/ADT/ilist" |
| |
| #include <map> |
| #include <list> |
| #include <string> |
| |
| namespace llvm { |
| class TargetLowering; |
| class TargetMachine; |
| class MachineDebugInfo; |
| class MachineFunction; |
| |
| /// SelectionDAG class - This is used to represent a portion of an LLVM function |
| /// in a low-level Data Dependence DAG representation suitable for instruction |
| /// selection. This DAG is constructed as the first step of instruction |
| /// selection in order to allow implementation of machine specific optimizations |
| /// and code simplifications. |
| /// |
| /// The representation used by the SelectionDAG is a target-independent |
| /// representation, which has some similarities to the GCC RTL representation, |
| /// but is significantly more simple, powerful, and is a graph form instead of a |
| /// linear form. |
| /// |
| class SelectionDAG { |
| TargetLowering &TLI; |
| MachineFunction &MF; |
| MachineDebugInfo *DI; |
| |
| // Root - The root of the entire DAG. EntryNode - The starting token. |
| SDOperand Root, EntryNode; |
| |
| // AllNodes - A linked list of nodes in the current DAG. |
| ilist<SDNode> AllNodes; |
| |
| // ValueNodes - track SrcValue nodes |
| std::map<std::pair<const Value*, int>, SDNode*> ValueNodes; |
| |
| public: |
| SelectionDAG(TargetLowering &tli, MachineFunction &mf, MachineDebugInfo *di) |
| : TLI(tli), MF(mf), DI(di) { |
| EntryNode = Root = getNode(ISD::EntryToken, MVT::Other); |
| } |
| ~SelectionDAG(); |
| |
| MachineFunction &getMachineFunction() const { return MF; } |
| const TargetMachine &getTarget() const; |
| TargetLowering &getTargetLoweringInfo() const { return TLI; } |
| MachineDebugInfo *getMachineDebugInfo() const { return DI; } |
| |
| /// viewGraph - Pop up a ghostview window with the DAG rendered using 'dot'. |
| /// |
| void viewGraph(); |
| |
| |
| typedef ilist<SDNode>::const_iterator allnodes_const_iterator; |
| allnodes_const_iterator allnodes_begin() const { return AllNodes.begin(); } |
| allnodes_const_iterator allnodes_end() const { return AllNodes.end(); } |
| typedef ilist<SDNode>::iterator allnodes_iterator; |
| allnodes_iterator allnodes_begin() { return AllNodes.begin(); } |
| allnodes_iterator allnodes_end() { return AllNodes.end(); } |
| |
| /// getRoot - Return the root tag of the SelectionDAG. |
| /// |
| const SDOperand &getRoot() const { return Root; } |
| |
| /// getEntryNode - Return the token chain corresponding to the entry of the |
| /// function. |
| const SDOperand &getEntryNode() const { return EntryNode; } |
| |
| /// setRoot - Set the current root tag of the SelectionDAG. |
| /// |
| const SDOperand &setRoot(SDOperand N) { return Root = N; } |
| |
| /// Combine - This iterates over the nodes in the SelectionDAG, folding |
| /// certain types of nodes together, or eliminating superfluous nodes. When |
| /// the AfterLegalize argument is set to 'true', Combine takes care not to |
| /// generate any nodes that will be illegal on the target. |
| void Combine(bool AfterLegalize); |
| |
| /// Legalize - This transforms the SelectionDAG into a SelectionDAG that is |
| /// compatible with the target instruction selector, as indicated by the |
| /// TargetLowering object. |
| /// |
| /// Note that this is an involved process that may invalidate pointers into |
| /// the graph. |
| void Legalize(); |
| |
| /// RemoveDeadNodes - This method deletes all unreachable nodes in the |
| /// SelectionDAG, including nodes (like loads) that have uses of their token |
| /// chain but no other uses and no side effect. If a node is passed in as an |
| /// argument, it is used as the seed for node deletion. |
| void RemoveDeadNodes(SDNode *N = 0); |
| |
| SDOperand getString(const std::string &Val); |
| SDOperand getConstant(uint64_t Val, MVT::ValueType VT); |
| SDOperand getTargetConstant(uint64_t Val, MVT::ValueType VT); |
| SDOperand getConstantFP(double Val, MVT::ValueType VT); |
| SDOperand getTargetConstantFP(double Val, MVT::ValueType VT); |
| SDOperand getGlobalAddress(const GlobalValue *GV, MVT::ValueType VT, |
| int offset = 0); |
| SDOperand getTargetGlobalAddress(const GlobalValue *GV, MVT::ValueType VT, |
| int offset = 0); |
| SDOperand getFrameIndex(int FI, MVT::ValueType VT); |
| SDOperand getTargetFrameIndex(int FI, MVT::ValueType VT); |
| SDOperand getConstantPool(Constant *C, MVT::ValueType VT, |
| unsigned Alignment=0, int offset = 0); |
| SDOperand getTargetConstantPool(Constant *C, MVT::ValueType VT, |
| unsigned Alignment=0, int offset = 0); |
| SDOperand getBasicBlock(MachineBasicBlock *MBB); |
| SDOperand getExternalSymbol(const char *Sym, MVT::ValueType VT); |
| SDOperand getTargetExternalSymbol(const char *Sym, MVT::ValueType VT); |
| SDOperand getValueType(MVT::ValueType); |
| SDOperand getRegister(unsigned Reg, MVT::ValueType VT); |
| |
| SDOperand getCopyToReg(SDOperand Chain, unsigned Reg, SDOperand N) { |
| return getNode(ISD::CopyToReg, MVT::Other, Chain, |
| getRegister(Reg, N.getValueType()), N); |
| } |
| |
| // This version of the getCopyToReg method takes an extra operand, which |
| // indicates that there is potentially an incoming flag value (if Flag is not |
| // null) and that there should be a flag result. |
| SDOperand getCopyToReg(SDOperand Chain, unsigned Reg, SDOperand N, |
| SDOperand Flag) { |
| std::vector<MVT::ValueType> VTs; |
| VTs.push_back(MVT::Other); |
| VTs.push_back(MVT::Flag); |
| std::vector<SDOperand> Ops; |
| Ops.push_back(Chain); |
| Ops.push_back(getRegister(Reg, N.getValueType())); |
| Ops.push_back(N); |
| if (Flag.Val) Ops.push_back(Flag); |
| return getNode(ISD::CopyToReg, VTs, Ops); |
| } |
| |
| // Similar to last getCopyToReg() except parameter Reg is a SDOperand |
| SDOperand getCopyToReg(SDOperand Chain, SDOperand Reg, SDOperand N, |
| SDOperand Flag) { |
| std::vector<MVT::ValueType> VTs; |
| VTs.push_back(MVT::Other); |
| VTs.push_back(MVT::Flag); |
| std::vector<SDOperand> Ops; |
| Ops.push_back(Chain); |
| Ops.push_back(Reg); |
| Ops.push_back(N); |
| if (Flag.Val) Ops.push_back(Flag); |
| return getNode(ISD::CopyToReg, VTs, Ops); |
| } |
| |
| SDOperand getCopyFromReg(SDOperand Chain, unsigned Reg, MVT::ValueType VT) { |
| std::vector<MVT::ValueType> ResultTys; |
| ResultTys.push_back(VT); |
| ResultTys.push_back(MVT::Other); |
| std::vector<SDOperand> Ops; |
| Ops.push_back(Chain); |
| Ops.push_back(getRegister(Reg, VT)); |
| return getNode(ISD::CopyFromReg, ResultTys, Ops); |
| } |
| |
| // This version of the getCopyFromReg method takes an extra operand, which |
| // indicates that there is potentially an incoming flag value (if Flag is not |
| // null) and that there should be a flag result. |
| SDOperand getCopyFromReg(SDOperand Chain, unsigned Reg, MVT::ValueType VT, |
| SDOperand Flag) { |
| std::vector<MVT::ValueType> ResultTys; |
| ResultTys.push_back(VT); |
| ResultTys.push_back(MVT::Other); |
| ResultTys.push_back(MVT::Flag); |
| std::vector<SDOperand> Ops; |
| Ops.push_back(Chain); |
| Ops.push_back(getRegister(Reg, VT)); |
| if (Flag.Val) Ops.push_back(Flag); |
| return getNode(ISD::CopyFromReg, ResultTys, Ops); |
| } |
| |
| SDOperand getCondCode(ISD::CondCode Cond); |
| |
| /// getZeroExtendInReg - Return the expression required to zero extend the Op |
| /// value assuming it was the smaller SrcTy value. |
| SDOperand getZeroExtendInReg(SDOperand Op, MVT::ValueType SrcTy); |
| |
| /// getCALLSEQ_START - Return a new CALLSEQ_START node, which always must have |
| /// a flag result (to ensure it's not CSE'd). |
| SDOperand getCALLSEQ_START(SDOperand Chain, SDOperand Op) { |
| std::vector<MVT::ValueType> ResultTys; |
| ResultTys.push_back(MVT::Other); |
| ResultTys.push_back(MVT::Flag); |
| std::vector<SDOperand> Ops; |
| Ops.push_back(Chain); |
| Ops.push_back(Op); |
| return getNode(ISD::CALLSEQ_START, ResultTys, Ops); |
| } |
| |
| /// getNode - Gets or creates the specified node. |
| /// |
| SDOperand getNode(unsigned Opcode, MVT::ValueType VT); |
| SDOperand getNode(unsigned Opcode, MVT::ValueType VT, SDOperand N); |
| SDOperand getNode(unsigned Opcode, MVT::ValueType VT, |
| SDOperand N1, SDOperand N2); |
| SDOperand getNode(unsigned Opcode, MVT::ValueType VT, |
| SDOperand N1, SDOperand N2, SDOperand N3); |
| SDOperand getNode(unsigned Opcode, MVT::ValueType VT, |
| SDOperand N1, SDOperand N2, SDOperand N3, SDOperand N4); |
| SDOperand getNode(unsigned Opcode, MVT::ValueType VT, |
| SDOperand N1, SDOperand N2, SDOperand N3, SDOperand N4, |
| SDOperand N5); |
| SDOperand getNode(unsigned Opcode, MVT::ValueType VT, |
| std::vector<SDOperand> &Children); |
| SDOperand getNode(unsigned Opcode, std::vector<MVT::ValueType> &ResultTys, |
| std::vector<SDOperand> &Ops); |
| |
| /// getSetCC - Helper function to make it easier to build SetCC's if you just |
| /// have an ISD::CondCode instead of an SDOperand. |
| /// |
| SDOperand getSetCC(MVT::ValueType VT, SDOperand LHS, SDOperand RHS, |
| ISD::CondCode Cond) { |
| return getNode(ISD::SETCC, VT, LHS, RHS, getCondCode(Cond)); |
| } |
| |
| /// getSelectCC - Helper function to make it easier to build SelectCC's if you |
| /// just have an ISD::CondCode instead of an SDOperand. |
| /// |
| SDOperand getSelectCC(SDOperand LHS, SDOperand RHS, |
| SDOperand True, SDOperand False, ISD::CondCode Cond) { |
| MVT::ValueType VT = True.getValueType(); |
| return getNode(ISD::SELECT_CC, VT, LHS, RHS, True, False,getCondCode(Cond)); |
| } |
| |
| /// getVAArg - VAArg produces a result and token chain, and takes a pointer |
| /// and a source value as input. |
| SDOperand getVAArg(MVT::ValueType VT, SDOperand Chain, SDOperand Ptr, |
| SDOperand SV); |
| |
| /// getLoad - Loads are not normal binary operators: their result type is not |
| /// determined by their operands, and they produce a value AND a token chain. |
| /// |
| SDOperand getLoad(MVT::ValueType VT, SDOperand Chain, SDOperand Ptr, |
| SDOperand SV); |
| SDOperand getVecLoad(unsigned Count, MVT::ValueType VT, SDOperand Chain, |
| SDOperand Ptr, SDOperand SV); |
| SDOperand getExtLoad(unsigned Opcode, MVT::ValueType VT, SDOperand Chain, |
| SDOperand Ptr, SDOperand SV, MVT::ValueType EVT); |
| |
| // getSrcValue - construct a node to track a Value* through the backend |
| SDOperand getSrcValue(const Value* I, int offset = 0); |
| |
| /// UpdateNodeOperands - *Mutate* the specified node in-place to have the |
| /// specified operands. If the resultant node already exists in the DAG, |
| /// this does not modify the specified node, instead it returns the node that |
| /// already exists. If the resultant node does not exist in the DAG, the |
| /// input node is returned. As a degenerate case, if you specify the same |
| /// input operands as the node already has, the input node is returned. |
| SDOperand UpdateNodeOperands(SDOperand N, SDOperand Op); |
| SDOperand UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2); |
| SDOperand UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2, |
| SDOperand Op3); |
| SDOperand UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2, |
| SDOperand Op3, SDOperand Op4); |
| SDOperand UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2, |
| SDOperand Op3, SDOperand Op4, SDOperand Op5); |
| SDOperand UpdateNodeOperands(SDOperand N, const std::vector<SDOperand> &Op); |
| |
| /// SelectNodeTo - These are used for target selectors to *mutate* the |
| /// specified node to have the specified return type, Target opcode, and |
| /// operands. Note that target opcodes are stored as |
| /// ISD::BUILTIN_OP_END+TargetOpcode in the node opcode field. The 0th value |
| /// of the resultant node is returned. |
| SDOperand SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT::ValueType VT); |
| SDOperand SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT::ValueType VT, |
| SDOperand Op1); |
| SDOperand SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT::ValueType VT, |
| SDOperand Op1, SDOperand Op2); |
| SDOperand SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT::ValueType VT, |
| SDOperand Op1, SDOperand Op2, SDOperand Op3); |
| SDOperand SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT::ValueType VT, |
| SDOperand Op1, SDOperand Op2, SDOperand Op3, |
| SDOperand Op4); |
| SDOperand SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT::ValueType VT, |
| SDOperand Op1, SDOperand Op2, SDOperand Op3, |
| SDOperand Op4, SDOperand Op5); |
| SDOperand SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT::ValueType VT, |
| SDOperand Op1, SDOperand Op2, SDOperand Op3, |
| SDOperand Op4, SDOperand Op5, SDOperand Op6); |
| SDOperand SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT::ValueType VT, |
| SDOperand Op1, SDOperand Op2, SDOperand Op3, |
| SDOperand Op4, SDOperand Op5, SDOperand Op6, |
| SDOperand Op7); |
| SDOperand SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT::ValueType VT, |
| SDOperand Op1, SDOperand Op2, SDOperand Op3, |
| SDOperand Op4, SDOperand Op5, SDOperand Op6, |
| SDOperand Op7, SDOperand Op8); |
| SDOperand SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT::ValueType VT1, |
| MVT::ValueType VT2, SDOperand Op1, SDOperand Op2); |
| SDOperand SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT::ValueType VT1, |
| MVT::ValueType VT2, SDOperand Op1, SDOperand Op2, |
| SDOperand Op3); |
| SDOperand SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT::ValueType VT1, |
| MVT::ValueType VT2, SDOperand Op1, SDOperand Op2, |
| SDOperand Op3, SDOperand Op4); |
| SDOperand SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT::ValueType VT1, |
| MVT::ValueType VT2, SDOperand Op1, SDOperand Op2, |
| SDOperand Op3, SDOperand Op4, SDOperand Op5); |
| |
| /// getTargetNode - These are used for target selectors to create a new node |
| /// with specified return type(s), target opcode, and operands. |
| /// |
| /// Note that getTargetNode returns the resultant node. If there is already a |
| /// node of the specified opcode and operands, it returns that node instead of |
| /// the current one. |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT, |
| SDOperand Op1); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT, |
| SDOperand Op1, SDOperand Op2); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT, |
| SDOperand Op1, SDOperand Op2, SDOperand Op3); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT, |
| SDOperand Op1, SDOperand Op2, SDOperand Op3, |
| SDOperand Op4); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT, |
| SDOperand Op1, SDOperand Op2, SDOperand Op3, |
| SDOperand Op4, SDOperand Op5); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT, |
| SDOperand Op1, SDOperand Op2, SDOperand Op3, |
| SDOperand Op4, SDOperand Op5, SDOperand Op6); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT, |
| SDOperand Op1, SDOperand Op2, SDOperand Op3, |
| SDOperand Op4, SDOperand Op5, SDOperand Op6, |
| SDOperand Op7); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT, |
| SDOperand Op1, SDOperand Op2, SDOperand Op3, |
| SDOperand Op4, SDOperand Op5, SDOperand Op6, |
| SDOperand Op7, SDOperand Op8); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT, |
| std::vector<SDOperand> &Ops); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT1, |
| MVT::ValueType VT2, SDOperand Op1); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT1, |
| MVT::ValueType VT2, SDOperand Op1, SDOperand Op2); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT1, |
| MVT::ValueType VT2, SDOperand Op1, SDOperand Op2, |
| SDOperand Op3); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT1, |
| MVT::ValueType VT2, SDOperand Op1, SDOperand Op2, |
| SDOperand Op3, SDOperand Op4); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT1, |
| MVT::ValueType VT2, SDOperand Op1, SDOperand Op2, |
| SDOperand Op3, SDOperand Op4, SDOperand Op5); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT1, |
| MVT::ValueType VT2, SDOperand Op1, SDOperand Op2, |
| SDOperand Op3, SDOperand Op4, SDOperand Op5, |
| SDOperand Op6); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT1, |
| MVT::ValueType VT2, SDOperand Op1, SDOperand Op2, |
| SDOperand Op3, SDOperand Op4, SDOperand Op5, |
| SDOperand Op6, SDOperand Op7); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT1, |
| MVT::ValueType VT2, MVT::ValueType VT3, |
| SDOperand Op1, SDOperand Op2); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT1, |
| MVT::ValueType VT2, MVT::ValueType VT3, |
| SDOperand Op1, SDOperand Op2, |
| SDOperand Op3, SDOperand Op4, SDOperand Op5); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT1, |
| MVT::ValueType VT2, MVT::ValueType VT3, |
| SDOperand Op1, SDOperand Op2, |
| SDOperand Op3, SDOperand Op4, SDOperand Op5, |
| SDOperand Op6); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT1, |
| MVT::ValueType VT2, MVT::ValueType VT3, |
| SDOperand Op1, SDOperand Op2, |
| SDOperand Op3, SDOperand Op4, SDOperand Op5, |
| SDOperand Op6, SDOperand Op7); |
| SDNode *getTargetNode(unsigned Opcode, MVT::ValueType VT1, |
| MVT::ValueType VT2, std::vector<SDOperand> &Ops); |
| |
| /// ReplaceAllUsesWith - Modify anything using 'From' to use 'To' instead. |
| /// This can cause recursive merging of nodes in the DAG. Use the first |
| /// version if 'From' is known to have a single result, use the second |
| /// if you have two nodes with identical results, use the third otherwise. |
| /// |
| /// These methods all take an optional vector, which (if not null) is |
| /// populated with any nodes that are deleted from the SelectionDAG, due to |
| /// new equivalences that are discovered. |
| /// |
| void ReplaceAllUsesWith(SDOperand From, SDOperand Op, |
| std::vector<SDNode*> *Deleted = 0); |
| void ReplaceAllUsesWith(SDNode *From, SDNode *To, |
| std::vector<SDNode*> *Deleted = 0); |
| void ReplaceAllUsesWith(SDNode *From, const std::vector<SDOperand> &To, |
| std::vector<SDNode*> *Deleted = 0); |
| |
| /// ReplaceAllUsesOfValueWith - Replace any uses of From with To, leaving |
| /// uses of other values produced by From.Val alone. The Deleted vector is |
| /// handled the same was as for ReplaceAllUsesWith, but it is required for |
| /// this method. |
| void ReplaceAllUsesOfValueWith(SDOperand From, SDOperand To, |
| std::vector<SDNode*> &Deleted); |
| |
| /// DeleteNode - Remove the specified node from the system. This node must |
| /// have no referrers. |
| void DeleteNode(SDNode *N); |
| |
| void dump() const; |
| |
| /// InsertISelMapEntry - A helper function to insert a key / element pair |
| /// into a SDOperand to SDOperand map. This is added to avoid the map |
| /// insertion operator from being inlined. |
| static void InsertISelMapEntry(std::map<SDOperand, SDOperand> &Map, |
| SDNode *Key, unsigned KeyResNo, |
| SDNode *Element, unsigned ElementResNo); |
| |
| private: |
| void RemoveNodeFromCSEMaps(SDNode *N); |
| SDNode *AddNonLeafNodeToCSEMaps(SDNode *N); |
| SDNode **FindModifiedNodeSlot(SDNode *N, SDOperand Op); |
| SDNode **FindModifiedNodeSlot(SDNode *N, SDOperand Op1, SDOperand Op2); |
| SDNode **FindModifiedNodeSlot(SDNode *N, const std::vector<SDOperand> &Ops); |
| |
| void DestroyDeadNode(SDNode *N); |
| void DeleteNodeNotInCSEMaps(SDNode *N); |
| void setNodeValueTypes(SDNode *N, std::vector<MVT::ValueType> &RetVals); |
| void setNodeValueTypes(SDNode *N, MVT::ValueType VT1, MVT::ValueType VT2); |
| |
| |
| /// SimplifySetCC - Try to simplify a setcc built with the specified operands |
| /// and cc. If unable to simplify it, return a null SDOperand. |
| SDOperand SimplifySetCC(MVT::ValueType VT, SDOperand N1, |
| SDOperand N2, ISD::CondCode Cond); |
| |
| // List of non-single value types. |
| std::list<std::vector<MVT::ValueType> > VTList; |
| |
| // Maps to auto-CSE operations. |
| std::map<std::pair<unsigned, MVT::ValueType>, SDNode *> NullaryOps; |
| std::map<std::pair<unsigned, std::pair<SDOperand, MVT::ValueType> >, |
| SDNode *> UnaryOps; |
| std::map<std::pair<unsigned, std::pair<SDOperand, SDOperand> >, |
| SDNode *> BinaryOps; |
| |
| std::map<std::pair<unsigned, MVT::ValueType>, RegisterSDNode*> RegNodes; |
| std::vector<CondCodeSDNode*> CondCodeNodes; |
| |
| std::map<std::pair<SDOperand, std::pair<SDOperand, MVT::ValueType> >, |
| SDNode *> Loads; |
| |
| std::map<std::pair<const GlobalValue*, int>, SDNode*> GlobalValues; |
| std::map<std::pair<const GlobalValue*, int>, SDNode*> TargetGlobalValues; |
| std::map<std::pair<uint64_t, MVT::ValueType>, SDNode*> Constants; |
| std::map<std::pair<uint64_t, MVT::ValueType>, SDNode*> TargetConstants; |
| std::map<std::pair<uint64_t, MVT::ValueType>, SDNode*> ConstantFPs; |
| std::map<std::pair<uint64_t, MVT::ValueType>, SDNode*> TargetConstantFPs; |
| std::map<int, SDNode*> FrameIndices, TargetFrameIndices; |
| std::map<std::pair<Constant *, |
| std::pair<int, unsigned> >, SDNode*> ConstantPoolIndices; |
| std::map<std::pair<Constant *, |
| std::pair<int, unsigned> >, SDNode*> TargetConstantPoolIndices; |
| std::map<MachineBasicBlock *, SDNode*> BBNodes; |
| std::vector<SDNode*> ValueTypeNodes; |
| std::map<std::string, SDNode*> ExternalSymbols; |
| std::map<std::string, SDNode*> TargetExternalSymbols; |
| std::map<std::string, StringSDNode*> StringNodes; |
| std::map<std::pair<unsigned, |
| std::pair<MVT::ValueType, std::vector<SDOperand> > >, |
| SDNode*> OneResultNodes; |
| std::map<std::pair<unsigned, |
| std::pair<std::vector<MVT::ValueType>, |
| std::vector<SDOperand> > >, |
| SDNode*> ArbitraryNodes; |
| }; |
| |
| template <> struct GraphTraits<SelectionDAG*> : public GraphTraits<SDNode*> { |
| typedef SelectionDAG::allnodes_iterator nodes_iterator; |
| static nodes_iterator nodes_begin(SelectionDAG *G) { |
| return G->allnodes_begin(); |
| } |
| static nodes_iterator nodes_end(SelectionDAG *G) { |
| return G->allnodes_end(); |
| } |
| }; |
| |
| } // end namespace llvm |
| |
| #endif |
