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;
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'.
///
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);
- SDOperand getTargetConstantPool(Constant *C, 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);
return getNode(ISD::CopyFromReg, ResultTys, Ops);
}
- /// getCall - Note that this destroys the vector of RetVals passed in.
- ///
- SDNode *getCall(std::vector<MVT::ValueType> &RetVals, SDOperand Chain,
- SDOperand Callee, bool isTailCall = false) {
- SDNode *NN = new SDNode(isTailCall ? ISD::TAILCALL : ISD::CALL, Chain,
- Callee);
- setNodeValueTypes(NN, RetVals);
- AllNodes.push_back(NN);
- return NN;
- }
- /// getCall - Note that this destroys the vector of RetVals passed in.
- ///
- SDNode *getCall(std::vector<MVT::ValueType> &RetVals, SDOperand Chain,
- SDOperand Callee, SDOperand Flag, bool isTailCall = false) {
- SDNode *NN = new SDNode(isTailCall ? ISD::TAILCALL : ISD::CALL, Chain,
- Callee, Flag);
- setNodeValueTypes(NN, RetVals);
- AllNodes.push_back(NN);
- return NN;
- }
-
- /// 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,
- bool isTailCall = false) {
- ArgsInRegs.insert(ArgsInRegs.begin(), Callee);
- ArgsInRegs.insert(ArgsInRegs.begin(), Chain);
- SDNode *NN = new SDNode(isTailCall ? ISD::TAILCALL : ISD::CALL, ArgsInRegs);
- setNodeValueTypes(NN, RetVals);
- AllNodes.push_back(NN);
- return NN;
- }
-
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 N1, SDOperand N2, SDOperand N3, SDOperand N4,
SDOperand N5);
- SDOperand getNode(unsigned Opcode, MVT::ValueType VT,
- SDOperand N1, SDOperand N2, SDOperand N3, SDOperand N4,
- SDOperand N5, SDOperand N6);
SDOperand getNode(unsigned Opcode, MVT::ValueType VT,
std::vector<SDOperand> &Children);
SDOperand getNode(unsigned Opcode, std::vector<MVT::ValueType> &ResultTys,
return getNode(ISD::SELECT_CC, VT, LHS, RHS, True, False,getCondCode(Cond));
}
- /// getBR2Way_CC - Helper function to make it easier to build BRTWOWAY_CC
- /// nodes.
- ///
- SDOperand getBR2Way_CC(SDOperand Chain, SDOperand CCNode, SDOperand LHS,
- SDOperand RHS, SDOperand True, SDOperand False) {
- std::vector<SDOperand> Ops;
- Ops.push_back(Chain);
- Ops.push_back(CCNode);
- Ops.push_back(LHS);
- Ops.push_back(RHS);
- Ops.push_back(True);
- Ops.push_back(False);
- return getNode(ISD::BRTWOWAY_CC, MVT::Other, Ops);
- }
+ /// 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.
// 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
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 Op4, SDOperand Op5);
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT,
- SDOperand Op1) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Op1);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT,
- SDOperand Op1, SDOperand Op2) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Op1, Op2);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT,
- SDOperand Op1, SDOperand Op2, SDOperand Op3) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Op1, Op2, Op3);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT,
- SDOperand Op1, SDOperand Op2, SDOperand Op3,
- SDOperand Op4) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Op1, Op2, Op3, Op4);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT,
- SDOperand Op1, SDOperand Op2, SDOperand Op3,
- SDOperand Op4, SDOperand Op5) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Op1, Op2, Op3, Op4, Op5);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT,
- SDOperand Op1, SDOperand Op2, SDOperand Op3,
- SDOperand Op4, SDOperand Op5, SDOperand Op6) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Op1, Op2, Op3, Op4, Op5, Op6);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT,
- std::vector<SDOperand> &Ops) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Ops);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, SDOperand Op1) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, SDOperand Op1, SDOperand Op2) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, SDOperand Op1, SDOperand Op2,
- SDOperand Op3) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4, SDOperand Op5) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- Ops.push_back(Op5);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4, SDOperand Op5,
- SDOperand Op6) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- Ops.push_back(Op5);
- Ops.push_back(Op6);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4, SDOperand Op5,
- SDOperand Op6, SDOperand Op7) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- Ops.push_back(Op5);
- Ops.push_back(Op6);
- Ops.push_back(Op7);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops);
- }
- SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, std::vector<SDOperand> &Ops) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops);
- }
+ /// 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
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);
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<Constant *, SDNode*> ConstantPoolIndices;
- std::map<Constant *, SDNode*> TargetConstantPoolIndices;
+ 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;
projects / oota-llvm.git / blobdiff