/// @brief Class for constant integers.
class ConstantInt : public Constant {
virtual void anchor();
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
- ConstantInt(const ConstantInt &); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ ConstantInt(const ConstantInt &) LLVM_DELETED_FUNCTION;
ConstantInt(IntegerType *Ty, const APInt& V);
APInt Val;
protected:
}
/// @brief Methods to support type inquiry through isa, cast, and dyn_cast.
- static inline bool classof(const ConstantInt *) { return true; }
static bool classof(const Value *V) {
return V->getValueID() == ConstantIntVal;
}
class ConstantFP : public Constant {
APFloat Val;
virtual void anchor();
- void *operator new(size_t, unsigned);// DO NOT IMPLEMENT
- ConstantFP(const ConstantFP &); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ ConstantFP(const ConstantFP &) LLVM_DELETED_FUNCTION;
friend class LLVMContextImpl;
protected:
ConstantFP(Type *Ty, const APFloat& V);
return isExactlyValue(FV);
}
/// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ConstantFP *) { return true; }
static bool classof(const Value *V) {
return V->getValueID() == ConstantFPVal;
}
/// ConstantAggregateZero - All zero aggregate value
///
class ConstantAggregateZero : public Constant {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
- ConstantAggregateZero(const ConstantAggregateZero &); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ ConstantAggregateZero(const ConstantAggregateZero &) LLVM_DELETED_FUNCTION;
protected:
explicit ConstantAggregateZero(Type *ty)
: Constant(ty, ConstantAggregateZeroVal, 0, 0) {}
/// Methods for support type inquiry through isa, cast, and dyn_cast:
///
- static bool classof(const ConstantAggregateZero *) { return true; }
static bool classof(const Value *V) {
return V->getValueID() == ConstantAggregateZeroVal;
}
///
class ConstantArray : public Constant {
friend struct ConstantArrayCreator<ConstantArray, ArrayType>;
- ConstantArray(const ConstantArray &); // DO NOT IMPLEMENT
+ ConstantArray(const ConstantArray &) LLVM_DELETED_FUNCTION;
protected:
ConstantArray(ArrayType *T, ArrayRef<Constant *> Val);
public:
virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U);
/// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ConstantArray *) { return true; }
static bool classof(const Value *V) {
return V->getValueID() == ConstantArrayVal;
}
//
class ConstantStruct : public Constant {
friend struct ConstantArrayCreator<ConstantStruct, StructType>;
- ConstantStruct(const ConstantStruct &); // DO NOT IMPLEMENT
+ ConstantStruct(const ConstantStruct &) LLVM_DELETED_FUNCTION;
protected:
ConstantStruct(StructType *T, ArrayRef<Constant *> Val);
public:
virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U);
/// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ConstantStruct *) { return true; }
static bool classof(const Value *V) {
return V->getValueID() == ConstantStructVal;
}
///
class ConstantVector : public Constant {
friend struct ConstantArrayCreator<ConstantVector, VectorType>;
- ConstantVector(const ConstantVector &); // DO NOT IMPLEMENT
+ ConstantVector(const ConstantVector &) LLVM_DELETED_FUNCTION;
protected:
ConstantVector(VectorType *T, ArrayRef<Constant *> Val);
public:
virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U);
/// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ConstantVector *) { return true; }
static bool classof(const Value *V) {
return V->getValueID() == ConstantVectorVal;
}
/// ConstantPointerNull - a constant pointer value that points to null
///
class ConstantPointerNull : public Constant {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
- ConstantPointerNull(const ConstantPointerNull &); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ ConstantPointerNull(const ConstantPointerNull &) LLVM_DELETED_FUNCTION;
protected:
explicit ConstantPointerNull(PointerType *T)
: Constant(reinterpret_cast<Type*>(T),
}
/// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ConstantPointerNull *) { return true; }
static bool classof(const Value *V) {
return V->getValueID() == ConstantPointerNullVal;
}
/// element array of i8, or a 1-element array of i32. They'll both end up in
/// the same StringMap bucket, linked up.
ConstantDataSequential *Next;
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
- ConstantDataSequential(const ConstantDataSequential &); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ ConstantDataSequential(const ConstantDataSequential &) LLVM_DELETED_FUNCTION;
protected:
explicit ConstantDataSequential(Type *ty, ValueTy VT, const char *Data)
: Constant(ty, VT, 0, 0), DataElements(Data), Next(0) {}
/// Methods for support type inquiry through isa, cast, and dyn_cast:
///
- static bool classof(const ConstantDataSequential *) { return true; }
static bool classof(const Value *V) {
return V->getValueID() == ConstantDataArrayVal ||
V->getValueID() == ConstantDataVectorVal;
/// operands because it stores all of the elements of the constant as densely
/// packed data, instead of as Value*'s.
class ConstantDataArray : public ConstantDataSequential {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
- ConstantDataArray(const ConstantDataArray &); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ ConstantDataArray(const ConstantDataArray &) LLVM_DELETED_FUNCTION;
virtual void anchor();
friend class ConstantDataSequential;
explicit ConstantDataArray(Type *ty, const char *Data)
/// Methods for support type inquiry through isa, cast, and dyn_cast:
///
- static bool classof(const ConstantDataArray *) { return true; }
static bool classof(const Value *V) {
return V->getValueID() == ConstantDataArrayVal;
}
/// operands because it stores all of the elements of the constant as densely
/// packed data, instead of as Value*'s.
class ConstantDataVector : public ConstantDataSequential {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
- ConstantDataVector(const ConstantDataVector &); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ ConstantDataVector(const ConstantDataVector &) LLVM_DELETED_FUNCTION;
virtual void anchor();
friend class ConstantDataSequential;
explicit ConstantDataVector(Type *ty, const char *Data)
/// Methods for support type inquiry through isa, cast, and dyn_cast:
///
- static bool classof(const ConstantDataVector *) { return true; }
static bool classof(const Value *V) {
return V->getValueID() == ConstantDataVectorVal;
}
/// BlockAddress - The address of a basic block.
///
class BlockAddress : public Constant {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
void *operator new(size_t s) { return User::operator new(s, 2); }
BlockAddress(Function *F, BasicBlock *BB);
public:
virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U);
/// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const BlockAddress *) { return true; }
static inline bool classof(const Value *V) {
return V->getValueID() == BlockAddressVal;
}
return getLShr(C1, C2, true);
}
+ /// getBinOpIdentity - Return the identity for the given binary operation,
+ /// i.e. a constant C such that X op C = X and C op X = X for every X. It
+ /// returns null if the operator doesn't have an identity.
+ static Constant *getBinOpIdentity(unsigned Opcode, Type *Ty);
+
+ /// getBinOpAbsorber - Return the absorbing element for the given binary
+ /// operation, i.e. a constant C such that X op C = C and C op X = C for
+ /// every X. For example, this returns zero for integer multiplication.
+ /// It returns null if the operator doesn't have an absorbing element.
+ static Constant *getBinOpAbsorber(unsigned Opcode, Type *Ty);
+
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Constant);
virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U);
/// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ConstantExpr *) { return true; }
static inline bool classof(const Value *V) {
return V->getValueID() == ConstantExprVal;
}
/// LangRef.html#undefvalues for details.
///
class UndefValue : public Constant {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
- UndefValue(const UndefValue &); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ UndefValue(const UndefValue &) LLVM_DELETED_FUNCTION;
protected:
explicit UndefValue(Type *T) : Constant(T, UndefValueVal, 0, 0) {}
protected:
virtual void destroyConstant();
/// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const UndefValue *) { return true; }
static bool classof(const Value *V) {
return V->getValueID() == UndefValueVal;
}
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