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//===-- llvm/iOther.h - "Other" instruction node 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 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; }
// FIXME: These methods should be inline once we eliminate
// ConstantPointerRefs!
const Function *getCalledFunction() const;
Function *getCalledFunction();
// 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));
}
};
//===----------------------------------------------------------------------===//
// 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;
VANextInst(const VANextInst &VAN)
: Instruction(VAN.getType(), VANext), ArgTy(VAN.getArgType()) {
Operands.reserve(1);
Operands.push_back(Use(VAN.Operands[0], this));
}
public:
VANextInst(Value *List, const Type *Ty, const std::string &Name = "",
Instruction *InsertBefore = 0)
: Instruction(List->getType(), VANext, Name, InsertBefore), ArgTy(Ty) {
Operands.reserve(1);
Operands.push_back(Use(List, this));
}
const Type *getArgType() const { return ArgTy; }
virtual Instruction *clone() const { return new VANextInst(*this); }
// 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 - This class represents the va_arg llvm instruction, which returns
/// an argument of the specified type given a va_list.
///
class VAArgInst : public Instruction {
VAArgInst(const VAArgInst &VAA)
: Instruction(VAA.getType(), VAArg) {
Operands.reserve(1);
Operands.push_back(Use(VAA.Operands[0], this));
}
public:
VAArgInst(Value *List, const Type *Ty, const std::string &Name = "",
Instruction *InsertBefore = 0)
: Instruction(Ty, VAArg, Name, InsertBefore) {
Operands.reserve(1);
Operands.push_back(Use(List, this));
}
virtual Instruction *clone() const { return new VAArgInst(*this); }
bool mayWriteToMemory() const { return true; }
// 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));
}
};
#endif
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