| //===-- llvm/Instructions.h - Instruction subclass definitions --*- 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 exposes the class definitions of all of the subclasses of the |
| // Instruction class. This is meant to be an easy way to get access to all |
| // instruction subclasses. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_INSTRUCTIONS_H |
| #define LLVM_INSTRUCTIONS_H |
| |
| #include "llvm/Instruction.h" |
| #include "llvm/InstrTypes.h" |
| |
| namespace llvm { |
| |
| class BasicBlock; |
| class PointerType; |
| |
| //===----------------------------------------------------------------------===// |
| // AllocationInst Class |
| //===----------------------------------------------------------------------===// |
| |
| /// AllocationInst - This class is the common base class of MallocInst and |
| /// AllocaInst. |
| /// |
| class AllocationInst : public Instruction { |
| protected: |
| void init(const Type *Ty, Value *ArraySize, unsigned iTy); |
| AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy, |
| const std::string &Name = "", Instruction *InsertBefore = 0); |
| AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy, |
| const std::string &Name, BasicBlock *InsertAtEnd); |
| |
| public: |
| |
| /// isArrayAllocation - Return true if there is an allocation size parameter |
| /// to the allocation instruction that is not 1. |
| /// |
| bool isArrayAllocation() const; |
| |
| /// getArraySize - Get the number of element allocated, for a simple |
| /// allocation of a single element, this will return a constant 1 value. |
| /// |
| inline const Value *getArraySize() const { return Operands[0]; } |
| inline Value *getArraySize() { return Operands[0]; } |
| |
| /// getType - Overload to return most specific pointer type |
| /// |
| inline const PointerType *getType() const { |
| return reinterpret_cast<const PointerType*>(Instruction::getType()); |
| } |
| |
| /// getAllocatedType - Return the type that is being allocated by the |
| /// instruction. |
| /// |
| const Type *getAllocatedType() const; |
| |
| virtual Instruction *clone() const = 0; |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const AllocationInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return I->getOpcode() == Instruction::Alloca || |
| I->getOpcode() == Instruction::Malloc; |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // MallocInst Class |
| //===----------------------------------------------------------------------===// |
| |
| /// MallocInst - an instruction to allocated memory on the heap |
| /// |
| class MallocInst : public AllocationInst { |
| MallocInst(const MallocInst &MI); |
| public: |
| explicit MallocInst(const Type *Ty, Value *ArraySize = 0, |
| const std::string &Name = "", |
| Instruction *InsertBefore = 0) |
| : AllocationInst(Ty, ArraySize, Malloc, Name, InsertBefore) {} |
| MallocInst(const Type *Ty, Value *ArraySize, const std::string &Name, |
| BasicBlock *InsertAtEnd) |
| : AllocationInst(Ty, ArraySize, Malloc, Name, InsertAtEnd) {} |
| |
| virtual MallocInst *clone() const; |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const MallocInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return (I->getOpcode() == Instruction::Malloc); |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // AllocaInst Class |
| //===----------------------------------------------------------------------===// |
| |
| /// AllocaInst - an instruction to allocate memory on the stack |
| /// |
| class AllocaInst : public AllocationInst { |
| AllocaInst(const AllocaInst &); |
| public: |
| explicit AllocaInst(const Type *Ty, Value *ArraySize = 0, |
| const std::string &Name = "", |
| Instruction *InsertBefore = 0) |
| : AllocationInst(Ty, ArraySize, Alloca, Name, InsertBefore) {} |
| AllocaInst(const Type *Ty, Value *ArraySize, const std::string &Name, |
| BasicBlock *InsertAtEnd) |
| : AllocationInst(Ty, ArraySize, Alloca, Name, InsertAtEnd) {} |
| |
| virtual AllocaInst *clone() const; |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const AllocaInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return (I->getOpcode() == Instruction::Alloca); |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // FreeInst Class |
| //===----------------------------------------------------------------------===// |
| |
| /// FreeInst - an instruction to deallocate memory |
| /// |
| class FreeInst : public Instruction { |
| void init(Value *Ptr); |
| |
| public: |
| explicit FreeInst(Value *Ptr, Instruction *InsertBefore = 0); |
| FreeInst(Value *Ptr, BasicBlock *InsertAfter); |
| |
| virtual FreeInst *clone() const; |
| |
| virtual bool mayWriteToMemory() const { return true; } |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const FreeInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return (I->getOpcode() == Instruction::Free); |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // LoadInst Class |
| //===----------------------------------------------------------------------===// |
| |
| /// LoadInst - an instruction for reading from memory |
| /// |
| class LoadInst : public Instruction { |
| LoadInst(const LoadInst &LI) : Instruction(LI.getType(), Load) { |
| Volatile = LI.isVolatile(); |
| init(LI.Operands[0]); |
| } |
| bool Volatile; // True if this is a volatile load |
| void init(Value *Ptr); |
| public: |
| LoadInst(Value *Ptr, const std::string &Name, Instruction *InsertBefore); |
| LoadInst(Value *Ptr, const std::string &Name, BasicBlock *InsertAtEnd); |
| LoadInst(Value *Ptr, const std::string &Name = "", bool isVolatile = false, |
| Instruction *InsertBefore = 0); |
| LoadInst(Value *Ptr, const std::string &Name, bool isVolatile, |
| BasicBlock *InsertAtEnd); |
| |
| /// isVolatile - Return true if this is a load from a volatile memory |
| /// location. |
| /// |
| bool isVolatile() const { return Volatile; } |
| |
| /// setVolatile - Specify whether this is a volatile load or not. |
| /// |
| void setVolatile(bool V) { Volatile = V; } |
| |
| virtual LoadInst *clone() const; |
| |
| virtual bool mayWriteToMemory() const { return isVolatile(); } |
| |
| Value *getPointerOperand() { return getOperand(0); } |
| const Value *getPointerOperand() const { return getOperand(0); } |
| static unsigned getPointerOperandIndex() { return 0U; } |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const LoadInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return I->getOpcode() == Instruction::Load; |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // StoreInst Class |
| //===----------------------------------------------------------------------===// |
| |
| /// StoreInst - an instruction for storing to memory |
| /// |
| class StoreInst : public Instruction { |
| StoreInst(const StoreInst &SI) : Instruction(SI.getType(), Store) { |
| Volatile = SI.isVolatile(); |
| init(SI.Operands[0], SI.Operands[1]); |
| } |
| bool Volatile; // True if this is a volatile store |
| void init(Value *Val, Value *Ptr); |
| public: |
| StoreInst(Value *Val, Value *Ptr, Instruction *InsertBefore); |
| StoreInst(Value *Val, Value *Ptr, BasicBlock *InsertAtEnd); |
| StoreInst(Value *Val, Value *Ptr, bool isVolatile = false, |
| Instruction *InsertBefore = 0); |
| StoreInst(Value *Val, Value *Ptr, bool isVolatile, BasicBlock *InsertAtEnd); |
| |
| |
| /// isVolatile - Return true if this is a load from a volatile memory |
| /// location. |
| /// |
| bool isVolatile() const { return Volatile; } |
| |
| /// setVolatile - Specify whether this is a volatile load or not. |
| /// |
| void setVolatile(bool V) { Volatile = V; } |
| |
| virtual StoreInst *clone() const; |
| |
| virtual bool mayWriteToMemory() const { return true; } |
| |
| Value *getPointerOperand() { return getOperand(1); } |
| const Value *getPointerOperand() const { return getOperand(1); } |
| static unsigned getPointerOperandIndex() { return 1U; } |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const StoreInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return I->getOpcode() == Instruction::Store; |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // GetElementPtrInst Class |
| //===----------------------------------------------------------------------===// |
| |
| /// GetElementPtrInst - an instruction for type-safe pointer arithmetic to |
| /// access elements of arrays and structs |
| /// |
| class GetElementPtrInst : public Instruction { |
| GetElementPtrInst(const GetElementPtrInst &EPI) |
| : Instruction((static_cast<const Instruction*>(&EPI)->getType()), |
| GetElementPtr) { |
| Operands.reserve(EPI.Operands.size()); |
| for (unsigned i = 0, E = (unsigned)EPI.Operands.size(); i != E; ++i) |
| Operands.push_back(Use(EPI.Operands[i], this)); |
| } |
| void init(Value *Ptr, const std::vector<Value*> &Idx); |
| void init(Value *Ptr, Value *Idx0, Value *Idx1); |
| public: |
| /// Constructors - Create a getelementptr instruction with a base pointer an |
| /// list of indices. The first ctor can optionally insert before an existing |
| /// instruction, the second appends the new instruction to the specified |
| /// BasicBlock. |
| GetElementPtrInst(Value *Ptr, const std::vector<Value*> &Idx, |
| const std::string &Name = "", Instruction *InsertBefore =0); |
| GetElementPtrInst(Value *Ptr, const std::vector<Value*> &Idx, |
| const std::string &Name, BasicBlock *InsertAtEnd); |
| |
| /// Constructors - These two constructors are convenience methods because two |
| /// index getelementptr instructions are so common. |
| GetElementPtrInst(Value *Ptr, Value *Idx0, Value *Idx1, |
| const std::string &Name = "", Instruction *InsertBefore =0); |
| GetElementPtrInst(Value *Ptr, Value *Idx0, Value *Idx1, |
| const std::string &Name, BasicBlock *InsertAtEnd); |
| |
| virtual GetElementPtrInst *clone() const; |
| |
| // getType - Overload to return most specific pointer type... |
| inline const PointerType *getType() const { |
| return reinterpret_cast<const PointerType*>(Instruction::getType()); |
| } |
| |
| /// getIndexedType - Returns the type of the element that would be loaded with |
| /// a load instruction with the specified parameters. |
| /// |
| /// A null type is returned if the indices are invalid for the specified |
| /// pointer type. |
| /// |
| static const Type *getIndexedType(const Type *Ptr, |
| const std::vector<Value*> &Indices, |
| bool AllowStructLeaf = false); |
| static const Type *getIndexedType(const Type *Ptr, Value *Idx0, Value *Idx1, |
| bool AllowStructLeaf = false); |
| |
| inline op_iterator idx_begin() { return op_begin()+1; } |
| inline const_op_iterator idx_begin() const { return op_begin()+1; } |
| inline op_iterator idx_end() { return op_end(); } |
| inline const_op_iterator idx_end() const { return op_end(); } |
| |
| Value *getPointerOperand() { |
| return getOperand(0); |
| } |
| const Value *getPointerOperand() const { |
| return getOperand(0); |
| } |
| static unsigned getPointerOperandIndex() { |
| return 0U; // get index for modifying correct operand |
| } |
| |
| inline unsigned getNumIndices() const { // Note: always non-negative |
| return getNumOperands() - 1; |
| } |
| |
| inline bool hasIndices() const { |
| return getNumOperands() > 1; |
| } |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const GetElementPtrInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return (I->getOpcode() == Instruction::GetElementPtr); |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| //===----------------------------------------------------------------------===// |
| // SetCondInst Class |
| //===----------------------------------------------------------------------===// |
| |
| /// SetCondInst class - Represent a setCC operator, where CC is eq, ne, lt, gt, |
| /// le, or ge. |
| /// |
| class SetCondInst : public BinaryOperator { |
| public: |
| SetCondInst(BinaryOps Opcode, Value *LHS, Value *RHS, |
| const std::string &Name = "", Instruction *InsertBefore = 0); |
| SetCondInst(BinaryOps Opcode, Value *LHS, Value *RHS, |
| const std::string &Name, BasicBlock *InsertAtEnd); |
| |
| /// getInverseCondition - Return the inverse of the current condition opcode. |
| /// For example seteq -> setne, setgt -> setle, setlt -> setge, etc... |
| /// |
| BinaryOps getInverseCondition() const { |
| return getInverseCondition(getOpcode()); |
| } |
| |
| /// getInverseCondition - Static version that you can use without an |
| /// instruction available. |
| /// |
| static BinaryOps getInverseCondition(BinaryOps Opcode); |
| |
| /// getSwappedCondition - Return the condition opcode that would be the result |
| /// of exchanging the two operands of the setcc instruction without changing |
| /// the result produced. Thus, seteq->seteq, setle->setge, setlt->setgt, etc. |
| /// |
| BinaryOps getSwappedCondition() const { |
| return getSwappedCondition(getOpcode()); |
| } |
| |
| /// getSwappedCondition - Static version that you can use without an |
| /// instruction available. |
| /// |
| static BinaryOps getSwappedCondition(BinaryOps Opcode); |
| |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const SetCondInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return I->getOpcode() == SetEQ || I->getOpcode() == SetNE || |
| I->getOpcode() == SetLE || I->getOpcode() == SetGE || |
| I->getOpcode() == SetLT || I->getOpcode() == SetGT; |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| //===----------------------------------------------------------------------===// |
| // CastInst Class |
| //===----------------------------------------------------------------------===// |
| |
| /// CastInst - This class represents a cast from Operand[0] to the type of |
| /// the instruction (i->getType()). |
| /// |
| class CastInst : public Instruction { |
| CastInst(const CastInst &CI) : Instruction(CI.getType(), Cast) { |
| Operands.reserve(1); |
| Operands.push_back(Use(CI.Operands[0], this)); |
| } |
| void init(Value *S) { |
| Operands.reserve(1); |
| Operands.push_back(Use(S, this)); |
| } |
| public: |
| CastInst(Value *S, const Type *Ty, const std::string &Name = "", |
| Instruction *InsertBefore = 0) |
| : Instruction(Ty, Cast, Name, InsertBefore) { |
| init(S); |
| } |
| CastInst(Value *S, const Type *Ty, const std::string &Name, |
| BasicBlock *InsertAtEnd) |
| : Instruction(Ty, Cast, Name, InsertAtEnd) { |
| init(S); |
| } |
| |
| virtual CastInst *clone() const; |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const CastInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return I->getOpcode() == Cast; |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // CallInst Class |
| //===----------------------------------------------------------------------===// |
| |
| /// CallInst - This class represents a function call, abstracting a target |
| /// machine's calling convention. |
| /// |
| class CallInst : public Instruction { |
| CallInst(const CallInst &CI); |
| void init(Value *Func, const std::vector<Value*> &Params); |
| void init(Value *Func, Value *Actual1, Value *Actual2); |
| void init(Value *Func, Value *Actual); |
| void init(Value *Func); |
| |
| public: |
| CallInst(Value *F, const std::vector<Value*> &Par, |
| const std::string &Name = "", Instruction *InsertBefore = 0); |
| CallInst(Value *F, const std::vector<Value*> &Par, |
| const std::string &Name, BasicBlock *InsertAtEnd); |
| |
| // Alternate CallInst ctors w/ two actuals, w/ one actual and no |
| // actuals, respectively. |
| CallInst(Value *F, Value *Actual1, Value *Actual2, |
| const std::string& Name = "", Instruction *InsertBefore = 0); |
| CallInst(Value *F, Value *Actual1, Value *Actual2, |
| const std::string& Name, BasicBlock *InsertAtEnd); |
| CallInst(Value *F, Value *Actual, const std::string& Name = "", |
| Instruction *InsertBefore = 0); |
| CallInst(Value *F, Value *Actual, const std::string& Name, |
| BasicBlock *InsertAtEnd); |
| explicit CallInst(Value *F, const std::string &Name = "", |
| Instruction *InsertBefore = 0); |
| explicit CallInst(Value *F, const std::string &Name, |
| BasicBlock *InsertAtEnd); |
| |
| virtual CallInst *clone() const; |
| bool mayWriteToMemory() const { return true; } |
| |
| /// getCalledFunction - Return the function being called by this instruction |
| /// if it is a direct call. If it is a call through a function pointer, |
| /// return null. |
| Function *getCalledFunction() const { |
| return dyn_cast<Function>(Operands[0]); |
| } |
| |
| // getCalledValue - Get a pointer to a method that is invoked by this inst. |
| inline const Value *getCalledValue() const { return Operands[0]; } |
| inline Value *getCalledValue() { return Operands[0]; } |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const CallInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return I->getOpcode() == Instruction::Call; |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // ShiftInst Class |
| //===----------------------------------------------------------------------===// |
| |
| /// ShiftInst - This class represents left and right shift instructions. |
| /// |
| class ShiftInst : public Instruction { |
| ShiftInst(const ShiftInst &SI) : Instruction(SI.getType(), SI.getOpcode()) { |
| Operands.reserve(2); |
| Operands.push_back(Use(SI.Operands[0], this)); |
| Operands.push_back(Use(SI.Operands[1], this)); |
| } |
| void init(OtherOps Opcode, Value *S, Value *SA) { |
| assert((Opcode == Shl || Opcode == Shr) && "ShiftInst Opcode invalid!"); |
| Operands.reserve(2); |
| Operands.push_back(Use(S, this)); |
| Operands.push_back(Use(SA, this)); |
| } |
| |
| public: |
| ShiftInst(OtherOps Opcode, Value *S, Value *SA, const std::string &Name = "", |
| Instruction *InsertBefore = 0) |
| : Instruction(S->getType(), Opcode, Name, InsertBefore) { |
| init(Opcode, S, SA); |
| } |
| ShiftInst(OtherOps Opcode, Value *S, Value *SA, const std::string &Name, |
| BasicBlock *InsertAtEnd) |
| : Instruction(S->getType(), Opcode, Name, InsertAtEnd) { |
| init(Opcode, S, SA); |
| } |
| |
| OtherOps getOpcode() const { |
| return static_cast<OtherOps>(Instruction::getOpcode()); |
| } |
| |
| virtual ShiftInst *clone() const; |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const ShiftInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return (I->getOpcode() == Instruction::Shr) | |
| (I->getOpcode() == Instruction::Shl); |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| //===----------------------------------------------------------------------===// |
| // SelectInst Class |
| //===----------------------------------------------------------------------===// |
| |
| /// SelectInst - This class represents the LLVM 'select' instruction. |
| /// |
| class SelectInst : public Instruction { |
| SelectInst(const SelectInst &SI) : Instruction(SI.getType(), SI.getOpcode()) { |
| Operands.reserve(3); |
| Operands.push_back(Use(SI.Operands[0], this)); |
| Operands.push_back(Use(SI.Operands[1], this)); |
| Operands.push_back(Use(SI.Operands[2], this)); |
| } |
| void init(Value *C, Value *S1, Value *S2) { |
| Operands.reserve(3); |
| Operands.push_back(Use(C, this)); |
| Operands.push_back(Use(S1, this)); |
| Operands.push_back(Use(S2, this)); |
| } |
| |
| public: |
| SelectInst(Value *C, Value *S1, Value *S2, const std::string &Name = "", |
| Instruction *InsertBefore = 0) |
| : Instruction(S1->getType(), Instruction::Select, Name, InsertBefore) { |
| init(C, S1, S2); |
| } |
| SelectInst(Value *C, Value *S1, Value *S2, const std::string &Name, |
| BasicBlock *InsertAtEnd) |
| : Instruction(S1->getType(), Instruction::Select, Name, InsertAtEnd) { |
| init(C, S1, S2); |
| } |
| |
| Value *getCondition() const { return Operands[0]; } |
| Value *getTrueValue() const { return Operands[1]; } |
| Value *getFalseValue() const { return Operands[2]; } |
| |
| OtherOps getOpcode() const { |
| return static_cast<OtherOps>(Instruction::getOpcode()); |
| } |
| |
| virtual SelectInst *clone() const; |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const SelectInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return I->getOpcode() == Instruction::Select; |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // VANextInst Class |
| //===----------------------------------------------------------------------===// |
| |
| /// VANextInst - This class represents the va_next llvm instruction, which |
| /// advances a vararg list passed an argument of the specified type, returning |
| /// the resultant list. |
| /// |
| class VANextInst : public Instruction { |
| PATypeHolder ArgTy; |
| void init(Value *List) { |
| Operands.reserve(1); |
| Operands.push_back(Use(List, this)); |
| } |
| VANextInst(const VANextInst &VAN) |
| : Instruction(VAN.getType(), VANext), ArgTy(VAN.getArgType()) { |
| init(VAN.Operands[0]); |
| } |
| |
| public: |
| VANextInst(Value *List, const Type *Ty, const std::string &Name = "", |
| Instruction *InsertBefore = 0) |
| : Instruction(List->getType(), VANext, Name, InsertBefore), ArgTy(Ty) { |
| init(List); |
| } |
| VANextInst(Value *List, const Type *Ty, const std::string &Name, |
| BasicBlock *InsertAtEnd) |
| : Instruction(List->getType(), VANext, Name, InsertAtEnd), ArgTy(Ty) { |
| init(List); |
| } |
| |
| const Type *getArgType() const { return ArgTy; } |
| |
| virtual VANextInst *clone() const; |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const VANextInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return I->getOpcode() == VANext; |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // VAArgInst Class |
| //===----------------------------------------------------------------------===// |
| |
| /// VAArgInst - This class represents the va_arg llvm instruction, which returns |
| /// an argument of the specified type given a va_list. |
| /// |
| class VAArgInst : public Instruction { |
| void init(Value* List) { |
| Operands.reserve(1); |
| Operands.push_back(Use(List, this)); |
| } |
| VAArgInst(const VAArgInst &VAA) |
| : Instruction(VAA.getType(), VAArg) { |
| init(VAA.Operands[0]); |
| } |
| public: |
| VAArgInst(Value *List, const Type *Ty, const std::string &Name = "", |
| Instruction *InsertBefore = 0) |
| : Instruction(Ty, VAArg, Name, InsertBefore) { |
| init(List); |
| } |
| VAArgInst(Value *List, const Type *Ty, const std::string &Name, |
| BasicBlock *InsertAtEnd) |
| : Instruction(Ty, VAArg, Name, InsertAtEnd) { |
| init(List); |
| } |
| |
| virtual VAArgInst *clone() const; |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const VAArgInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return I->getOpcode() == VAArg; |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| //===----------------------------------------------------------------------===// |
| // PHINode Class |
| //===----------------------------------------------------------------------===// |
| |
| // PHINode - The PHINode class is used to represent the magical mystical PHI |
| // node, that can not exist in nature, but can be synthesized in a computer |
| // scientist's overactive imagination. |
| // |
| class PHINode : public Instruction { |
| PHINode(const PHINode &PN); |
| public: |
| PHINode(const Type *Ty, const std::string &Name = "", |
| Instruction *InsertBefore = 0) |
| : Instruction(Ty, Instruction::PHI, Name, InsertBefore) { |
| } |
| |
| PHINode(const Type *Ty, const std::string &Name, BasicBlock *InsertAtEnd) |
| : Instruction(Ty, Instruction::PHI, Name, InsertAtEnd) { |
| } |
| |
| virtual PHINode *clone() const; |
| |
| /// getNumIncomingValues - Return the number of incoming edges |
| /// |
| unsigned getNumIncomingValues() const { return (unsigned)Operands.size()/2; } |
| |
| /// getIncomingValue - Return incoming value #x |
| /// |
| Value *getIncomingValue(unsigned i) const { |
| assert(i*2 < Operands.size() && "Invalid value number!"); |
| return Operands[i*2]; |
| } |
| void setIncomingValue(unsigned i, Value *V) { |
| assert(i*2 < Operands.size() && "Invalid value number!"); |
| Operands[i*2] = V; |
| } |
| inline unsigned getOperandNumForIncomingValue(unsigned i) { |
| return i*2; |
| } |
| |
| /// getIncomingBlock - Return incoming basic block #x |
| /// |
| BasicBlock *getIncomingBlock(unsigned i) const { |
| assert(i*2+1 < Operands.size() && "Invalid value number!"); |
| return reinterpret_cast<BasicBlock*>(Operands[i*2+1].get()); |
| } |
| void setIncomingBlock(unsigned i, BasicBlock *BB) { |
| assert(i*2+1 < Operands.size() && "Invalid value number!"); |
| Operands[i*2+1] = reinterpret_cast<Value*>(BB); |
| } |
| unsigned getOperandNumForIncomingBlock(unsigned i) { |
| return i*2+1; |
| } |
| |
| /// addIncoming - Add an incoming value to the end of the PHI list |
| /// |
| void addIncoming(Value *V, BasicBlock *BB) { |
| assert(getType() == V->getType() && |
| "All operands to PHI node must be the same type as the PHI node!"); |
| Operands.push_back(Use(V, this)); |
| Operands.push_back(Use(reinterpret_cast<Value*>(BB), this)); |
| } |
| |
| /// removeIncomingValue - Remove an incoming value. This is useful if a |
| /// predecessor basic block is deleted. The value removed is returned. |
| /// |
| /// If the last incoming value for a PHI node is removed (and DeletePHIIfEmpty |
| /// is true), the PHI node is destroyed and any uses of it are replaced with |
| /// dummy values. The only time there should be zero incoming values to a PHI |
| /// node is when the block is dead, so this strategy is sound. |
| /// |
| Value *removeIncomingValue(unsigned Idx, bool DeletePHIIfEmpty = true); |
| |
| Value *removeIncomingValue(const BasicBlock *BB, bool DeletePHIIfEmpty =true){ |
| int Idx = getBasicBlockIndex(BB); |
| assert(Idx >= 0 && "Invalid basic block argument to remove!"); |
| return removeIncomingValue(Idx, DeletePHIIfEmpty); |
| } |
| |
| /// getBasicBlockIndex - Return the first index of the specified basic |
| /// block in the value list for this PHI. Returns -1 if no instance. |
| /// |
| int getBasicBlockIndex(const BasicBlock *BB) const { |
| for (unsigned i = 0; i < Operands.size()/2; ++i) |
| if (getIncomingBlock(i) == BB) return i; |
| return -1; |
| } |
| |
| Value *getIncomingValueForBlock(const BasicBlock *BB) const { |
| return getIncomingValue(getBasicBlockIndex(BB)); |
| } |
| |
| /// Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const PHINode *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return I->getOpcode() == Instruction::PHI; |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| //===----------------------------------------------------------------------===// |
| // ReturnInst Class |
| //===----------------------------------------------------------------------===// |
| |
| //===--------------------------------------------------------------------------- |
| /// ReturnInst - Return a value (possibly void), from a function. Execution |
| /// does not continue in this function any longer. |
| /// |
| class ReturnInst : public TerminatorInst { |
| ReturnInst(const ReturnInst &RI) : TerminatorInst(Instruction::Ret) { |
| if (RI.Operands.size()) { |
| assert(RI.Operands.size() == 1 && "Return insn can only have 1 operand!"); |
| Operands.reserve(1); |
| Operands.push_back(Use(RI.Operands[0], this)); |
| } |
| } |
| |
| void init(Value *RetVal); |
| |
| public: |
| // ReturnInst constructors: |
| // ReturnInst() - 'ret void' instruction |
| // ReturnInst( null) - 'ret void' instruction |
| // ReturnInst(Value* X) - 'ret X' instruction |
| // ReturnInst( null, Inst *) - 'ret void' instruction, insert before I |
| // ReturnInst(Value* X, Inst *I) - 'ret X' instruction, insert before I |
| // ReturnInst( null, BB *B) - 'ret void' instruction, insert @ end of BB |
| // ReturnInst(Value* X, BB *B) - 'ret X' instruction, insert @ end of BB |
| // |
| // NOTE: If the Value* passed is of type void then the constructor behaves as |
| // if it was passed NULL. |
| ReturnInst(Value *RetVal = 0, Instruction *InsertBefore = 0) |
| : TerminatorInst(Instruction::Ret, InsertBefore) { |
| init(RetVal); |
| } |
| ReturnInst(Value *RetVal, BasicBlock *InsertAtEnd) |
| : TerminatorInst(Instruction::Ret, InsertAtEnd) { |
| init(RetVal); |
| } |
| ReturnInst(BasicBlock *InsertAtEnd) |
| : TerminatorInst(Instruction::Ret, InsertAtEnd) { |
| } |
| |
| virtual ReturnInst *clone() const; |
| |
| inline const Value *getReturnValue() const { |
| return Operands.size() ? Operands[0].get() : 0; |
| } |
| inline Value *getReturnValue() { |
| return Operands.size() ? Operands[0].get() : 0; |
| } |
| |
| virtual const BasicBlock *getSuccessor(unsigned idx) const { |
| assert(0 && "ReturnInst has no successors!"); |
| abort(); |
| return 0; |
| } |
| virtual void setSuccessor(unsigned idx, BasicBlock *NewSucc); |
| virtual unsigned getNumSuccessors() const { return 0; } |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const ReturnInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return (I->getOpcode() == Instruction::Ret); |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| //===----------------------------------------------------------------------===// |
| // BranchInst Class |
| //===----------------------------------------------------------------------===// |
| |
| //===--------------------------------------------------------------------------- |
| /// BranchInst - Conditional or Unconditional Branch instruction. |
| /// |
| class BranchInst : public TerminatorInst { |
| BranchInst(const BranchInst &BI); |
| void init(BasicBlock *IfTrue); |
| void init(BasicBlock *True, BasicBlock *False, Value *Cond); |
| public: |
| // BranchInst constructors (where {B, T, F} are blocks, and C is a condition): |
| // BranchInst(BB *B) - 'br B' |
| // BranchInst(BB* T, BB *F, Value *C) - 'br C, T, F' |
| // BranchInst(BB* B, Inst *I) - 'br B' insert before I |
| // BranchInst(BB* T, BB *F, Value *C, Inst *I) - 'br C, T, F', insert before I |
| // BranchInst(BB* B, BB *I) - 'br B' insert at end |
| // BranchInst(BB* T, BB *F, Value *C, BB *I) - 'br C, T, F', insert at end |
| BranchInst(BasicBlock *IfTrue, Instruction *InsertBefore = 0) |
| : TerminatorInst(Instruction::Br, InsertBefore) { |
| init(IfTrue); |
| } |
| BranchInst(BasicBlock *IfTrue, BasicBlock *IfFalse, Value *Cond, |
| Instruction *InsertBefore = 0) |
| : TerminatorInst(Instruction::Br, InsertBefore) { |
| init(IfTrue, IfFalse, Cond); |
| } |
| |
| BranchInst(BasicBlock *IfTrue, BasicBlock *InsertAtEnd) |
| : TerminatorInst(Instruction::Br, InsertAtEnd) { |
| init(IfTrue); |
| } |
| |
| BranchInst(BasicBlock *IfTrue, BasicBlock *IfFalse, Value *Cond, |
| BasicBlock *InsertAtEnd) |
| : TerminatorInst(Instruction::Br, InsertAtEnd) { |
| init(IfTrue, IfFalse, Cond); |
| } |
| |
| virtual BranchInst *clone() const; |
| |
| inline bool isUnconditional() const { return Operands.size() == 1; } |
| inline bool isConditional() const { return Operands.size() == 3; } |
| |
| inline Value *getCondition() const { |
| assert(isConditional() && "Cannot get condition of an uncond branch!"); |
| return Operands[2].get(); |
| } |
| |
| void setCondition(Value *V) { |
| assert(isConditional() && "Cannot set condition of unconditional branch!"); |
| setOperand(2, V); |
| } |
| |
| // setUnconditionalDest - Change the current branch to an unconditional branch |
| // targeting the specified block. |
| // |
| void setUnconditionalDest(BasicBlock *Dest) { |
| if (isConditional()) Operands.erase(Operands.begin()+1, Operands.end()); |
| Operands[0] = reinterpret_cast<Value*>(Dest); |
| } |
| |
| virtual const BasicBlock *getSuccessor(unsigned i) const { |
| assert(i < getNumSuccessors() && "Successor # out of range for Branch!"); |
| return (i == 0) ? cast<BasicBlock>(Operands[0].get()) : |
| cast<BasicBlock>(Operands[1].get()); |
| } |
| inline BasicBlock *getSuccessor(unsigned idx) { |
| const BranchInst *BI = this; |
| return const_cast<BasicBlock*>(BI->getSuccessor(idx)); |
| } |
| |
| virtual void setSuccessor(unsigned idx, BasicBlock *NewSucc) { |
| assert(idx < getNumSuccessors() && "Successor # out of range for Branch!"); |
| Operands[idx] = reinterpret_cast<Value*>(NewSucc); |
| } |
| |
| virtual unsigned getNumSuccessors() const { return 1+isConditional(); } |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const BranchInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return (I->getOpcode() == Instruction::Br); |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| //===----------------------------------------------------------------------===// |
| // SwitchInst Class |
| //===----------------------------------------------------------------------===// |
| |
| //===--------------------------------------------------------------------------- |
| /// SwitchInst - Multiway switch |
| /// |
| class SwitchInst : public TerminatorInst { |
| // Operand[0] = Value to switch on |
| // Operand[1] = Default basic block destination |
| // Operand[2n ] = Value to match |
| // Operand[2n+1] = BasicBlock to go to on match |
| SwitchInst(const SwitchInst &RI); |
| void init(Value *Value, BasicBlock *Default); |
| |
| public: |
| SwitchInst(Value *Value, BasicBlock *Default, Instruction *InsertBefore = 0) |
| : TerminatorInst(Instruction::Switch, InsertBefore) { |
| init(Value, Default); |
| } |
| SwitchInst(Value *Value, BasicBlock *Default, BasicBlock *InsertAtEnd) |
| : TerminatorInst(Instruction::Switch, InsertAtEnd) { |
| init(Value, Default); |
| } |
| |
| virtual SwitchInst *clone() const; |
| |
| // Accessor Methods for Switch stmt |
| // |
| inline const Value *getCondition() const { return Operands[0]; } |
| inline Value *getCondition() { return Operands[0]; } |
| void setCondition(Value *V) { Operands[0] = V; } |
| |
| inline const BasicBlock *getDefaultDest() const { |
| return cast<BasicBlock>(Operands[1].get()); |
| } |
| inline BasicBlock *getDefaultDest() { |
| return cast<BasicBlock>(Operands[1].get()); |
| } |
| |
| /// getNumCases - return the number of 'cases' in this switch instruction. |
| /// Note that case #0 is always the default case. |
| unsigned getNumCases() const { |
| return (unsigned)Operands.size()/2; |
| } |
| |
| /// getCaseValue - Return the specified case value. Note that case #0, the |
| /// default destination, does not have a case value. |
| Constant *getCaseValue(unsigned i) { |
| assert(i && i < getNumCases() && "Illegal case value to get!"); |
| return getSuccessorValue(i); |
| } |
| |
| /// getCaseValue - Return the specified case value. Note that case #0, the |
| /// default destination, does not have a case value. |
| const Constant *getCaseValue(unsigned i) const { |
| assert(i && i < getNumCases() && "Illegal case value to get!"); |
| return getSuccessorValue(i); |
| } |
| |
| /// findCaseValue - Search all of the case values for the specified constant. |
| /// If it is explicitly handled, return the case number of it, otherwise |
| /// return 0 to indicate that it is handled by the default handler. |
| unsigned findCaseValue(const Constant *C) const { |
| for (unsigned i = 1, e = getNumCases(); i != e; ++i) |
| if (getCaseValue(i) == C) |
| return i; |
| return 0; |
| } |
| |
| /// addCase - Add an entry to the switch instruction... |
| /// |
| void addCase(Constant *OnVal, BasicBlock *Dest); |
| |
| /// removeCase - This method removes the specified successor from the switch |
| /// instruction. Note that this cannot be used to remove the default |
| /// destination (successor #0). |
| /// |
| void removeCase(unsigned idx); |
| |
| virtual const BasicBlock *getSuccessor(unsigned idx) const { |
| assert(idx < getNumSuccessors() &&"Successor idx out of range for switch!"); |
| return cast<BasicBlock>(Operands[idx*2+1].get()); |
| } |
| inline BasicBlock *getSuccessor(unsigned idx) { |
| assert(idx < getNumSuccessors() &&"Successor idx out of range for switch!"); |
| return cast<BasicBlock>(Operands[idx*2+1].get()); |
| } |
| |
| virtual void setSuccessor(unsigned idx, BasicBlock *NewSucc) { |
| assert(idx < getNumSuccessors() && "Successor # out of range for switch!"); |
| Operands[idx*2+1] = reinterpret_cast<Value*>(NewSucc); |
| } |
| |
| // getSuccessorValue - Return the value associated with the specified |
| // successor. |
| inline const Constant *getSuccessorValue(unsigned idx) const { |
| assert(idx < getNumSuccessors() && "Successor # out of range!"); |
| return cast<Constant>(Operands[idx*2].get()); |
| } |
| inline Constant *getSuccessorValue(unsigned idx) { |
| assert(idx < getNumSuccessors() && "Successor # out of range!"); |
| return cast<Constant>(Operands[idx*2].get()); |
| } |
| virtual unsigned getNumSuccessors() const { return (unsigned)Operands.size()/2; } |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const SwitchInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return (I->getOpcode() == Instruction::Switch); |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| //===----------------------------------------------------------------------===// |
| // InvokeInst Class |
| //===----------------------------------------------------------------------===// |
| |
| //===--------------------------------------------------------------------------- |
| /// InvokeInst - Invoke instruction |
| /// |
| class InvokeInst : public TerminatorInst { |
| InvokeInst(const InvokeInst &BI); |
| void init(Value *Fn, BasicBlock *IfNormal, BasicBlock *IfException, |
| const std::vector<Value*> &Params); |
| public: |
| InvokeInst(Value *Fn, BasicBlock *IfNormal, BasicBlock *IfException, |
| const std::vector<Value*> &Params, const std::string &Name = "", |
| Instruction *InsertBefore = 0); |
| InvokeInst(Value *Fn, BasicBlock *IfNormal, BasicBlock *IfException, |
| const std::vector<Value*> &Params, const std::string &Name, |
| BasicBlock *InsertAtEnd); |
| |
| virtual InvokeInst *clone() const; |
| |
| bool mayWriteToMemory() const { return true; } |
| |
| /// getCalledFunction - Return the function called, or null if this is an |
| /// indirect function invocation. |
| /// |
| Function *getCalledFunction() const { |
| return dyn_cast<Function>(Operands[0]); |
| } |
| |
| // getCalledValue - Get a pointer to a function that is invoked by this inst. |
| inline const Value *getCalledValue() const { return Operands[0]; } |
| inline Value *getCalledValue() { return Operands[0]; } |
| |
| // get*Dest - Return the destination basic blocks... |
| inline const BasicBlock *getNormalDest() const { |
| return cast<BasicBlock>(Operands[1].get()); |
| } |
| inline BasicBlock *getNormalDest() { |
| return cast<BasicBlock>(Operands[1].get()); |
| } |
| inline const BasicBlock *getUnwindDest() const { |
| return cast<BasicBlock>(Operands[2].get()); |
| } |
| inline BasicBlock *getUnwindDest() { |
| return cast<BasicBlock>(Operands[2].get()); |
| } |
| |
| inline void setNormalDest(BasicBlock *B){ |
| Operands[1] = reinterpret_cast<Value*>(B); |
| } |
| |
| inline void setUnwindDest(BasicBlock *B){ |
| Operands[2] = reinterpret_cast<Value*>(B); |
| } |
| |
| virtual const BasicBlock *getSuccessor(unsigned i) const { |
| assert(i < 2 && "Successor # out of range for invoke!"); |
| return i == 0 ? getNormalDest() : getUnwindDest(); |
| } |
| inline BasicBlock *getSuccessor(unsigned i) { |
| assert(i < 2 && "Successor # out of range for invoke!"); |
| return i == 0 ? getNormalDest() : getUnwindDest(); |
| } |
| |
| virtual void setSuccessor(unsigned idx, BasicBlock *NewSucc) { |
| assert(idx < 2 && "Successor # out of range for invoke!"); |
| Operands[idx+1] = reinterpret_cast<Value*>(NewSucc); |
| } |
| |
| virtual unsigned getNumSuccessors() const { return 2; } |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const InvokeInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return (I->getOpcode() == Instruction::Invoke); |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // UnwindInst Class |
| //===----------------------------------------------------------------------===// |
| |
| //===--------------------------------------------------------------------------- |
| /// UnwindInst - Immediately exit the current function, unwinding the stack |
| /// until an invoke instruction is found. |
| /// |
| class UnwindInst : public TerminatorInst { |
| public: |
| UnwindInst(Instruction *InsertBefore = 0) |
| : TerminatorInst(Instruction::Unwind, InsertBefore) { |
| } |
| UnwindInst(BasicBlock *InsertAtEnd) |
| : TerminatorInst(Instruction::Unwind, InsertAtEnd) { |
| } |
| |
| virtual UnwindInst *clone() const; |
| |
| virtual const BasicBlock *getSuccessor(unsigned idx) const { |
| assert(0 && "UnwindInst has no successors!"); |
| abort(); |
| return 0; |
| } |
| virtual void setSuccessor(unsigned idx, BasicBlock *NewSucc); |
| virtual unsigned getNumSuccessors() const { return 0; } |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const UnwindInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return I->getOpcode() == Instruction::Unwind; |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| //===----------------------------------------------------------------------===// |
| // UnreachableInst Class |
| //===----------------------------------------------------------------------===// |
| |
| //===--------------------------------------------------------------------------- |
| /// UnreachableInst - This function has undefined behavior. In particular, the |
| /// presence of this instruction indicates some higher level knowledge that the |
| /// end of the block cannot be reached. |
| /// |
| class UnreachableInst : public TerminatorInst { |
| public: |
| UnreachableInst(Instruction *InsertBefore = 0) |
| : TerminatorInst(Instruction::Unreachable, InsertBefore) { |
| } |
| UnreachableInst(BasicBlock *InsertAtEnd) |
| : TerminatorInst(Instruction::Unreachable, InsertAtEnd) { |
| } |
| |
| virtual UnreachableInst *clone() const; |
| |
| virtual const BasicBlock *getSuccessor(unsigned idx) const { |
| assert(0 && "UnreachableInst has no successors!"); |
| abort(); |
| return 0; |
| } |
| virtual void setSuccessor(unsigned idx, BasicBlock *NewSucc); |
| virtual unsigned getNumSuccessors() const { return 0; } |
| |
| // Methods for support type inquiry through isa, cast, and dyn_cast: |
| static inline bool classof(const UnreachableInst *) { return true; } |
| static inline bool classof(const Instruction *I) { |
| return I->getOpcode() == Instruction::Unreachable; |
| } |
| static inline bool classof(const Value *V) { |
| return isa<Instruction>(V) && classof(cast<Instruction>(V)); |
| } |
| }; |
| |
| } // End llvm namespace |
| |
| #endif |