#define LLVM_CODEGEN_SELECTIONDAG_H
#include "llvm/CodeGen/SelectionDAGNodes.h"
+#include "llvm/ADT/ilist"
+
#include <map>
-#include <string> // FIXME remove eventually, turning map into const char* 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
class SelectionDAG {
TargetLowering &TLI;
MachineFunction &MF;
+ MachineDebugInfo *DI;
// Root - The root of the entire DAG. EntryNode - The starting token.
SDOperand Root, EntryNode;
- // AllNodes - All of the nodes in the DAG
- std::vector<SDNode*> AllNodes;
+ // 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) : TLI(tli), MF(mf) {
+ 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 std::vector<SDNode*>::const_iterator allnodes_iterator;
- allnodes_iterator allnodes_begin() const { return AllNodes.begin(); }
- allnodes_iterator allnodes_end() const { return AllNodes.end(); }
-
+ 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; }
///
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.
/// 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 getGlobalAddress(const GlobalValue *GV, 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 getConstantPool(unsigned CPIdx, MVT::ValueType VT);
+ SDOperand getTargetFrameIndex(int FI, MVT::ValueType VT);
+ SDOperand getJumpTable(int JTI, MVT::ValueType VT);
+ SDOperand getTargetJumpTable(int JTI, 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, SDOperand N, unsigned Reg) {
- // Note: these are auto-CSE'd because the caller doesn't make requests that
- // could cause duplicates to occur.
- SDNode *NN = new RegSDNode(ISD::CopyToReg, Chain, N, Reg);
- NN->setValueTypes(MVT::Other);
- AllNodes.push_back(NN);
- return SDOperand(NN, 0);
+ SDOperand getCopyToReg(SDOperand Chain, unsigned Reg, SDOperand N) {
+ return getNode(ISD::CopyToReg, MVT::Other, Chain,
+ getRegister(Reg, N.getValueType()), N);
}
- SDOperand getCopyFromReg(unsigned Reg, MVT::ValueType VT, SDOperand Chain) {
- // Note: These nodes are auto-CSE'd by the caller of this method.
- SDNode *NN = new RegSDNode(ISD::CopyFromReg, Chain, Reg);
- NN->setValueTypes(VT, MVT::Other);
- AllNodes.push_back(NN);
- return SDOperand(NN, 0);
+ // 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);
}
- SDOperand getImplicitDef(SDOperand Chain, unsigned Reg) {
- // Note: These nodes are auto-CSE'd by the caller of this method.
- SDNode *NN = new RegSDNode(ISD::ImplicitDef, Chain, Reg);
- NN->setValueTypes(MVT::Other);
- AllNodes.push_back(NN);
- return SDOperand(NN, 0);
+ // 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);
}
-
- /// getCall - Note that this destroys the vector of RetVals passed in.
- ///
- SDNode *getCall(std::vector<MVT::ValueType> &RetVals, SDOperand Chain,
- SDOperand Callee) {
- SDNode *NN = new SDNode(ISD::CALL, Chain, Callee);
- NN->setValueTypes(RetVals);
- AllNodes.push_back(NN);
- return NN;
+
+ 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);
}
-
- /// getCall - This is identical to the one above, and should be used for calls
- /// where arguments are passed in physical registers. This destroys the
- /// RetVals and ArgsInRegs vectors.
- SDNode *getCall(std::vector<MVT::ValueType> &RetVals, SDOperand Chain,
- SDOperand Callee, std::vector<SDOperand> &ArgsInRegs) {
- ArgsInRegs.insert(ArgsInRegs.begin(), Callee);
- ArgsInRegs.insert(ArgsInRegs.begin(), Chain);
- SDNode *NN = new SDNode(ISD::CALL, ArgsInRegs);
- NN->setValueTypes(RetVals);
- AllNodes.push_back(NN);
- return NN;
+
+ // 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 getSetCC(ISD::CondCode, MVT::ValueType VT,
- SDOperand LHS, SDOperand RHS);
+ 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 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);
- // getNode - These versions take an extra value type for extending and
- // truncating loads, stores, rounds, extends etc.
- SDOperand getNode(unsigned Opcode, MVT::ValueType VT, SDOperand N1,
- SDOperand N2, MVT::ValueType EVT);
- SDOperand getNode(unsigned Opcode, MVT::ValueType VT,
- SDOperand N, MVT::ValueType EVT);
- SDOperand getNode(unsigned Opcode, MVT::ValueType VT, SDOperand N1,
- SDOperand N2, SDOperand N3, MVT::ValueType EVT);
- SDOperand getNode(unsigned Opcode, MVT::ValueType VT, SDOperand N1,
- SDOperand N2, SDOperand N3, SDOperand N4, MVT::ValueType EVT);
+ /// 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 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);
-
- void replaceAllUsesWith(SDOperand Old, SDOperand New) {
- assert(Old != New && "RAUW self!");
- assert(0 && "Unimplemented!");
- }
-
+ 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 DeleteNodeIfDead(SDNode *N, void *NodeSet);
-
+ 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<std::pair<SDOperand, SDOperand>,
- std::pair<ISD::CondCode, MVT::ValueType> >,
- SetCCSDNode*> SetCCs;
+ 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<const GlobalValue*, SDNode*> GlobalValues;
+ 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<int, SDNode*> FrameIndices;
- std::map<unsigned, SDNode*> ConstantPoolIndices;
+ std::map<std::pair<uint64_t, MVT::ValueType>, SDNode*> TargetConstantFPs;
+ std::map<int, SDNode*> FrameIndices, TargetFrameIndices, JumpTableIndices,
+ TargetJumpTableIndices;
+ 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;
- struct EVTStruct {
- unsigned Opcode;
- MVT::ValueType VT, EVT;
- std::vector<SDOperand> Ops;
- bool operator<(const EVTStruct &RHS) const {
- if (Opcode < RHS.Opcode) return true;
- if (Opcode > RHS.Opcode) return false;
- if (VT < RHS.VT) return true;
- if (VT > RHS.VT) return false;
- if (EVT < RHS.EVT) return true;
- if (EVT > RHS.EVT) return false;
- return Ops < RHS.Ops;
- }
- };
- std::map<EVTStruct, SDNode*> MVTSDNodes;
+ 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*> {
}
};
-}
+} // end namespace llvm
#endif
projects / oota-llvm.git / blobdiff