#include "llvm/ADT/APInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/IR/Constant.h"
-#include "llvm/IR/OperandTraits.h"
#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/OperandTraits.h"
namespace llvm {
/// represents both boolean and integral constants.
/// @brief Class for constant integers.
class ConstantInt : public Constant {
- virtual void anchor();
+ void anchor() override;
void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
ConstantInt(const ConstantInt &) LLVM_DELETED_FUNCTION;
ConstantInt(IntegerType *Ty, const APInt& V);
/// Return the constant as a 64-bit unsigned integer value after it
/// has been zero extended as appropriate for the type of this constant. Note
/// that this method can assert if the value does not fit in 64 bits.
- /// @deprecated
/// @brief Return the zero extended value.
inline uint64_t getZExtValue() const {
return Val.getZExtValue();
/// Return the constant as a 64-bit integer value after it has been sign
/// extended as appropriate for the type of this constant. Note that
/// this method can assert if the value does not fit in 64 bits.
- /// @deprecated
/// @brief Return the sign extended value.
inline int64_t getSExtValue() const {
return Val.getSExtValue();
///
class ConstantFP : public Constant {
APFloat Val;
- virtual void anchor();
+ void anchor() override;
void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
ConstantFP(const ConstantFP &) LLVM_DELETED_FUNCTION;
friend class LLVMContextImpl;
static Constant *get(Type* Ty, double V);
static Constant *get(Type* Ty, StringRef Str);
static ConstantFP *get(LLVMContext &Context, const APFloat &V);
- static ConstantFP *getNegativeZero(Type* Ty);
- static ConstantFP *getInfinity(Type *Ty, bool Negative = false);
+ static Constant *getNegativeZero(Type *Ty);
+ static Constant *getInfinity(Type *Ty, bool Negative = false);
/// isValueValidForType - return true if Ty is big enough to represent V.
static bool isValueValidForType(Type *Ty, const APFloat &V);
ConstantAggregateZero(const ConstantAggregateZero &) LLVM_DELETED_FUNCTION;
protected:
explicit ConstantAggregateZero(Type *ty)
- : Constant(ty, ConstantAggregateZeroVal, 0, 0) {}
+ : Constant(ty, ConstantAggregateZeroVal, nullptr, 0) {}
protected:
// allocate space for exactly zero operands
void *operator new(size_t s) {
public:
static ConstantAggregateZero *get(Type *Ty);
- virtual void destroyConstant();
+ void destroyConstant() override;
/// getSequentialElement - If this CAZ has array or vector type, return a zero
/// with the right element type.
return cast<ArrayType>(Value::getType());
}
- virtual void destroyConstant();
- virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U);
+ void destroyConstant() override;
+ void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U) override;
/// Methods for support type inquiry through isa, cast, and dyn_cast:
static bool classof(const Value *V) {
return cast<StructType>(Value::getType());
}
- virtual void destroyConstant();
- virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U);
+ void destroyConstant() override;
+ void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U) override;
/// Methods for support type inquiry through isa, cast, and dyn_cast:
static bool classof(const Value *V) {
/// elements have the same value, return that value. Otherwise return NULL.
Constant *getSplatValue() const;
- virtual void destroyConstant();
- virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U);
+ void destroyConstant() override;
+ void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U) override;
/// Methods for support type inquiry through isa, cast, and dyn_cast:
static bool classof(const Value *V) {
protected:
explicit ConstantPointerNull(PointerType *T)
: Constant(T,
- Value::ConstantPointerNullVal, 0, 0) {}
+ Value::ConstantPointerNullVal, nullptr, 0) {}
protected:
// allocate space for exactly zero operands
/// get() - Static factory methods - Return objects of the specified value
static ConstantPointerNull *get(PointerType *T);
- virtual void destroyConstant();
+ void destroyConstant() override;
/// getType - Specialize the getType() method to always return an PointerType,
/// which reduces the amount of casting needed in parts of the compiler.
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) {}
+ : Constant(ty, VT, nullptr, 0), DataElements(Data), Next(nullptr) {}
~ConstantDataSequential() { delete Next; }
static Constant *getImpl(StringRef Bytes, Type *Ty);
/// host endianness of the data elements.
StringRef getRawDataValues() const;
- virtual void destroyConstant();
+ void destroyConstant() override;
/// Methods for support type inquiry through isa, cast, and dyn_cast:
///
class ConstantDataArray : public ConstantDataSequential {
void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
ConstantDataArray(const ConstantDataArray &) LLVM_DELETED_FUNCTION;
- virtual void anchor();
+ void anchor() override;
friend class ConstantDataSequential;
explicit ConstantDataArray(Type *ty, const char *Data)
: ConstantDataSequential(ty, ConstantDataArrayVal, Data) {}
class ConstantDataVector : public ConstantDataSequential {
void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
ConstantDataVector(const ConstantDataVector &) LLVM_DELETED_FUNCTION;
- virtual void anchor();
+ void anchor() override;
friend class ConstantDataSequential;
explicit ConstantDataVector(Type *ty, const char *Data)
: ConstantDataSequential(ty, ConstantDataVectorVal, Data) {}
/// block must be embedded into a function.
static BlockAddress *get(BasicBlock *BB);
+ /// \brief Lookup an existing \c BlockAddress constant for the given
+ /// BasicBlock.
+ ///
+ /// \returns 0 if \c !BB->hasAddressTaken(), otherwise the \c BlockAddress.
+ static BlockAddress *lookup(const BasicBlock *BB);
+
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
Function *getFunction() const { return (Function*)Op<0>().get(); }
BasicBlock *getBasicBlock() const { return (BasicBlock*)Op<1>().get(); }
- virtual void destroyConstant();
- virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U);
+ void destroyConstant() override;
+ void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U) override;
/// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Value *V) {
static Constant *getPtrToInt(Constant *C, Type *Ty);
static Constant *getIntToPtr(Constant *C, Type *Ty);
static Constant *getBitCast (Constant *C, Type *Ty);
+ static Constant *getAddrSpaceCast(Constant *C, Type *Ty);
static Constant *getNSWNeg(Constant *C) { return getNeg(C, false, true); }
static Constant *getNUWNeg(Constant *C) { return getNeg(C, true, false); }
Type *Ty ///< The type to trunc or bitcast C to
);
- /// @brief Create a BitCast or a PtrToInt cast constant expression
+ /// @brief Create a BitCast, AddrSpaceCast, or a PtrToInt cast constant
+ /// expression.
static Constant *getPointerCast(
Constant *C, ///< The pointer value to be casted (operand 0)
Type *Ty ///< The type to which cast should be made
);
+ /// @brief Create a BitCast or AddrSpaceCast for a pointer type depending on
+ /// the address space.
+ static Constant *getPointerBitCastOrAddrSpaceCast(
+ Constant *C, ///< The constant to addrspacecast or bitcast
+ Type *Ty ///< The type to bitcast or addrspacecast C to
+ );
+
/// @brief Create a ZExt, Bitcast or Trunc for integer -> integer casts
static Constant *getIntegerCast(
Constant *C, ///< The integer constant to be casted
/// as this ConstantExpr. The instruction is not linked to any basic block.
///
/// A better approach to this could be to have a constructor for Instruction
- /// which would take a ConstantExpr parameter, but that would have spread
- /// implementation details of ConstantExpr outside of Constants.cpp, which
+ /// which would take a ConstantExpr parameter, but that would have spread
+ /// implementation details of ConstantExpr outside of Constants.cpp, which
/// would make it harder to remove ConstantExprs altogether.
Instruction *getAsInstruction();
- virtual void destroyConstant();
- virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U);
+ void destroyConstant() override;
+ void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U) override;
/// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Value *V) {
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) {}
+ explicit UndefValue(Type *T) : Constant(T, UndefValueVal, nullptr, 0) {}
protected:
// allocate space for exactly zero operands
void *operator new(size_t s) {
/// index.
UndefValue *getElementValue(unsigned Idx) const;
- virtual void destroyConstant();
+ void destroyConstant() override;
/// Methods for support type inquiry through isa, cast, and dyn_cast:
static bool classof(const Value *V) {
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