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//===-- llvm/iOther.h - "Other" instruction node definitions -----*- C++ -*--=//
//
// This file contains the declarations for instructions that fall into the
// grandiose 'other' catagory...
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_IOTHER_H
#define LLVM_IOTHER_H
#include "llvm/InstrTypes.h"
//===----------------------------------------------------------------------===//
// 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));
}
public:
CastInst(Value *S, const Type *Ty, const std::string &Name = "",
Instruction *InsertBefore = 0)
: Instruction(Ty, Cast, Name, InsertBefore) {
Operands.reserve(1);
Operands.push_back(Use(S, this));
}
virtual Instruction *clone() const { return new CastInst(*this); }
// 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
//===----------------------------------------------------------------------===//
class CallInst : public Instruction {
CallInst(const CallInst &CI);
public:
CallInst(Value *F, const std::vector<Value*> &Par,
const std::string &Name = "", Instruction *InsertBefore = 0);
// Alternate CallInst ctors w/ no actuals & one actual, respectively.
CallInst(Value *F, const std::string &Name = "",
Instruction *InsertBefore = 0);
CallInst(Value *F, Value *Actual, const std::string& Name = "",
Instruction* InsertBefore = 0);
virtual Instruction *clone() const { return new CallInst(*this); }
bool mayWriteToMemory() const { return true; }
const Function *getCalledFunction() const {
return dyn_cast<Function>(Operands[0].get());
}
Function *getCalledFunction() {
return dyn_cast<Function>(Operands[0].get());
}
// 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));
}
public:
ShiftInst(OtherOps Opcode, Value *S, Value *SA, const std::string &Name = "",
Instruction *InsertBefore = 0)
: Instruction(S->getType(), Opcode, Name, InsertBefore) {
assert((Opcode == Shl || Opcode == Shr) && "ShiftInst Opcode invalid!");
Operands.reserve(2);
Operands.push_back(Use(S, this));
Operands.push_back(Use(SA, this));
}
OtherOps getOpcode() const { return (OtherOps)Instruction::getOpcode(); }
virtual Instruction *clone() const { return new ShiftInst(*this); }
// 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));
}
};
//===----------------------------------------------------------------------===//
// VarArgInst Class
//===----------------------------------------------------------------------===//
/// VarArgInst - This class represents the va_arg llvm instruction, which reads
/// an argument of the destination type from the va_list operand pointed to by
/// the only operand.
///
class VarArgInst : public Instruction {
VarArgInst(const VarArgInst &VAI) : Instruction(VAI.getType(), VarArg) {
Operands.reserve(1);
Operands.push_back(Use(VAI.Operands[0], this));
}
public:
VarArgInst(Value *S, const Type *Ty, const std::string &Name = "",
Instruction *InsertBefore = 0)
: Instruction(Ty, VarArg, Name, InsertBefore) {
Operands.reserve(1);
Operands.push_back(Use(S, this));
}
virtual Instruction *clone() const { return new VarArgInst(*this); }
bool mayWriteToMemory() const { return true; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const VarArgInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == VarArg;
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
};
#endif
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