#ifndef LLVM_OPERATOR_H
#define LLVM_OPERATOR_H
#include "llvm/Instruction.h"
#include "llvm/Constants.h"
namespace llvm {
class GetElementPtrInst;
class BinaryOperator;
class ConstantExpr;
class Operator : public User {
private:
void *operator new(size_t, unsigned);
void *operator new(size_t s);
Operator();
~Operator();
public:
unsigned getOpcode() const {
if (const Instruction *I = dyn_cast<Instruction>(this))
return I->getOpcode();
return cast<ConstantExpr>(this)->getOpcode();
}
static unsigned getOpcode(const Value *V) {
if (const Instruction *I = dyn_cast<Instruction>(V))
return I->getOpcode();
if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(V))
return CE->getOpcode();
return Instruction::UserOp1;
}
static inline bool classof(const Operator *) { return true; }
static inline bool classof(const Instruction *) { return true; }
static inline bool classof(const ConstantExpr *) { return true; }
static inline bool classof(const Value *V) {
return isa<Instruction>(V) || isa<ConstantExpr>(V);
}
};
class OverflowingBinaryOperator : public Operator {
public:
enum {
NoUnsignedWrap = (1 << 0),
NoSignedWrap = (1 << 1)
};
private:
~OverflowingBinaryOperator();
friend class BinaryOperator;
friend class ConstantExpr;
void setHasNoUnsignedWrap(bool B) {
SubclassOptionalData =
(SubclassOptionalData & ~NoUnsignedWrap) | (B * NoUnsignedWrap);
}
void setHasNoSignedWrap(bool B) {
SubclassOptionalData =
(SubclassOptionalData & ~NoSignedWrap) | (B * NoSignedWrap);
}
public:
bool hasNoUnsignedWrap() const {
return SubclassOptionalData & NoUnsignedWrap;
}
bool hasNoSignedWrap() const {
return SubclassOptionalData & NoSignedWrap;
}
static inline bool classof(const OverflowingBinaryOperator *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::Add ||
I->getOpcode() == Instruction::Sub ||
I->getOpcode() == Instruction::Mul;
}
static inline bool classof(const ConstantExpr *CE) {
return CE->getOpcode() == Instruction::Add ||
CE->getOpcode() == Instruction::Sub ||
CE->getOpcode() == Instruction::Mul;
}
static inline bool classof(const Value *V) {
return (isa<Instruction>(V) && classof(cast<Instruction>(V))) ||
(isa<ConstantExpr>(V) && classof(cast<ConstantExpr>(V)));
}
};
class AddOperator : public OverflowingBinaryOperator {
~AddOperator(); public:
static inline bool classof(const AddOperator *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::Add;
}
static inline bool classof(const ConstantExpr *CE) {
return CE->getOpcode() == Instruction::Add;
}
static inline bool classof(const Value *V) {
return (isa<Instruction>(V) && classof(cast<Instruction>(V))) ||
(isa<ConstantExpr>(V) && classof(cast<ConstantExpr>(V)));
}
};
class SubOperator : public OverflowingBinaryOperator {
~SubOperator(); public:
static inline bool classof(const SubOperator *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::Sub;
}
static inline bool classof(const ConstantExpr *CE) {
return CE->getOpcode() == Instruction::Sub;
}
static inline bool classof(const Value *V) {
return (isa<Instruction>(V) && classof(cast<Instruction>(V))) ||
(isa<ConstantExpr>(V) && classof(cast<ConstantExpr>(V)));
}
};
class MulOperator : public OverflowingBinaryOperator {
~MulOperator(); public:
static inline bool classof(const MulOperator *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::Mul;
}
static inline bool classof(const ConstantExpr *CE) {
return CE->getOpcode() == Instruction::Mul;
}
static inline bool classof(const Value *V) {
return (isa<Instruction>(V) && classof(cast<Instruction>(V))) ||
(isa<ConstantExpr>(V) && classof(cast<ConstantExpr>(V)));
}
};
class SDivOperator : public Operator {
public:
enum {
IsExact = (1 << 0)
};
private:
~SDivOperator();
friend class BinaryOperator;
friend class ConstantExpr;
void setIsExact(bool B) {
SubclassOptionalData = (SubclassOptionalData & ~IsExact) | (B * IsExact);
}
public:
bool isExact() const {
return SubclassOptionalData & IsExact;
}
static inline bool classof(const SDivOperator *) { return true; }
static inline bool classof(const ConstantExpr *CE) {
return CE->getOpcode() == Instruction::SDiv;
}
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::SDiv;
}
static inline bool classof(const Value *V) {
return (isa<Instruction>(V) && classof(cast<Instruction>(V))) ||
(isa<ConstantExpr>(V) && classof(cast<ConstantExpr>(V)));
}
};
class GEPOperator : public Operator {
enum {
IsInBounds = (1 << 0)
};
~GEPOperator();
friend class GetElementPtrInst;
friend class ConstantExpr;
void setIsInBounds(bool B) {
SubclassOptionalData =
(SubclassOptionalData & ~IsInBounds) | (B * IsInBounds);
}
public:
bool isInBounds() const {
return SubclassOptionalData & IsInBounds;
}
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; }
const PointerType *getPointerOperandType() const {
return reinterpret_cast<const PointerType*>(getPointerOperand()->getType());
}
unsigned getNumIndices() const { return getNumOperands() - 1;
}
bool hasIndices() const {
return getNumOperands() > 1;
}
bool hasAllZeroIndices() const {
for (const_op_iterator I = idx_begin(), E = idx_end(); I != E; ++I) {
if (Constant *C = dyn_cast<Constant>(I))
if (C->isNullValue())
continue;
return false;
}
return true;
}
bool hasAllConstantIndices() const {
for (const_op_iterator I = idx_begin(), E = idx_end(); I != E; ++I) {
if (!isa<ConstantInt>(I))
return false;
}
return true;
}
static inline bool classof(const GEPOperator *) { return true; }
static inline bool classof(const GetElementPtrInst *) { return true; }
static inline bool classof(const ConstantExpr *CE) {
return CE->getOpcode() == Instruction::GetElementPtr;
}
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))) ||
(isa<ConstantExpr>(V) && classof(cast<ConstantExpr>(V)));
}
};
}
#endif