//
// This file contains the declarations of classes that represent "derived
// types". These are things like "arrays of x" or "structure of x, y, z" or
-// "method returning x taking (y,z) as parameters", etc...
+// "function returning x taking (y,z) as parameters", etc...
//
// The implementations of these classes live in the Type.cpp file.
//
#define LLVM_DERIVED_TYPES_H
#include "llvm/Type.h"
+#include "llvm/System/DataTypes.h"
namespace llvm {
class VectorValType;
class IntegerValType;
class APInt;
+class LLVMContext;
class DerivedType : public Type {
friend class Type;
protected:
- explicit DerivedType(TypeID id) : Type(id) {}
+ explicit DerivedType(LLVMContext &C, TypeID id) : Type(C, id) {}
/// notifyUsesThatTypeBecameConcrete - Notify AbstractTypeUsers of this type
/// that the current type has transitioned from being abstract to being
/// Int64Ty.
/// @brief Integer representation type
class IntegerType : public DerivedType {
+ friend class LLVMContextImpl;
+
protected:
- explicit IntegerType(unsigned NumBits) : DerivedType(IntegerTyID) {
+ explicit IntegerType(LLVMContext &C, unsigned NumBits) :
+ DerivedType(C, IntegerTyID) {
setSubclassData(NumBits);
}
friend class TypeMap<IntegerValType, IntegerType>;
/// that instance will be returned. Otherwise a new one will be created. Only
/// one instance with a given NumBits value is ever created.
/// @brief Get or create an IntegerType instance.
- static const IntegerType* get(unsigned NumBits);
+ static const IntegerType* get(LLVMContext &C, unsigned NumBits);
/// @brief Get the number of bits in this IntegerType
unsigned getBitWidth() const { return getSubclassData(); }
bool isVarArg ///< Whether this is a variable argument length function
);
+ /// FunctionType::get - Create a FunctionType taking no parameters.
+ ///
+ static FunctionType *get(
+ const Type *Result, ///< The result type
+ bool isVarArg ///< Whether this is a variable argument length function
+ ) {
+ return get(Result, std::vector<const Type *>(), isVarArg);
+ }
+
/// isValidReturnType - Return true if the specified type is valid as a return
/// type.
static bool isValidReturnType(const Type *RetTy);
+ /// isValidArgumentType - Return true if the specified type is valid as an
+ /// argument type.
+ static bool isValidArgumentType(const Type *ArgTy);
+
inline bool isVarArg() const { return isVarArgs; }
inline const Type *getReturnType() const { return ContainedTys[0]; }
/// and VectorType
class CompositeType : public DerivedType {
protected:
- inline explicit CompositeType(TypeID id) : DerivedType(id) { }
+ inline explicit CompositeType(LLVMContext &C, TypeID id) :
+ DerivedType(C, id) { }
public:
/// getTypeAtIndex - Given an index value into the type, return the type of
friend class TypeMap<StructValType, StructType>;
StructType(const StructType &); // Do not implement
const StructType &operator=(const StructType &); // Do not implement
- StructType(const std::vector<const Type*> &Types, bool isPacked);
+ StructType(LLVMContext &C,
+ const std::vector<const Type*> &Types, bool isPacked);
public:
/// StructType::get - This static method is the primary way to create a
/// StructType.
///
- static StructType *get(const std::vector<const Type*> &Params,
+ static StructType *get(LLVMContext &Context,
+ const std::vector<const Type*> &Params,
bool isPacked=false);
+ /// StructType::get - Create an empty structure type.
+ ///
+ static StructType *get(LLVMContext &Context, bool isPacked=false) {
+ return get(Context, std::vector<const Type*>(), isPacked);
+ }
+
/// StructType::get - This static method is a convenience method for
/// creating structure types by specifying the elements as arguments.
/// Note that this method always returns a non-packed struct. To get
/// an empty struct, pass NULL, NULL.
- static StructType *get(const Type *type, ...) END_WITH_NULL;
+ static StructType *get(LLVMContext &Context,
+ const Type *type, ...) END_WITH_NULL;
+
+ /// isValidElementType - Return true if the specified type is valid as a
+ /// element type.
+ static bool isValidElementType(const Type *ElemTy);
// Iterator access to the elements
typedef Type::subtype_iterator element_iterator;
bool isPacked() const { return (0 != getSubclassData()) ? true : false; }
};
-
/// SequentialType - This is the superclass of the array, pointer and vector
/// type classes. All of these represent "arrays" in memory. The array type
/// represents a specifically sized array, pointer types are unsized/unknown
SequentialType* this_() { return this; }
protected:
SequentialType(TypeID TID, const Type *ElType)
- : CompositeType(TID), ContainedType(ElType, this_()) {
+ : CompositeType(ElType->getContext(), TID), ContainedType(ElType, this_()) {
ContainedTys = &ContainedType;
NumContainedTys = 1;
}
///
static ArrayType *get(const Type *ElementType, uint64_t NumElements);
+ /// isValidElementType - Return true if the specified type is valid as a
+ /// element type.
+ static bool isValidElementType(const Type *ElemTy);
+
inline uint64_t getNumElements() const { return NumElements; }
// Implement the AbstractTypeUser interface.
///
static VectorType *getInteger(const VectorType *VTy) {
unsigned EltBits = VTy->getElementType()->getPrimitiveSizeInBits();
- const Type *EltTy = IntegerType::get(EltBits);
+ const Type *EltTy = IntegerType::get(VTy->getContext(), EltBits);
return VectorType::get(EltTy, VTy->getNumElements());
}
///
static VectorType *getExtendedElementVectorType(const VectorType *VTy) {
unsigned EltBits = VTy->getElementType()->getPrimitiveSizeInBits();
- const Type *EltTy = IntegerType::get(EltBits * 2);
+ const Type *EltTy = IntegerType::get(VTy->getContext(), EltBits * 2);
return VectorType::get(EltTy, VTy->getNumElements());
}
unsigned EltBits = VTy->getElementType()->getPrimitiveSizeInBits();
assert((EltBits & 1) == 0 &&
"Cannot truncate vector element with odd bit-width");
- const Type *EltTy = IntegerType::get(EltBits / 2);
+ const Type *EltTy = IntegerType::get(VTy->getContext(), EltBits / 2);
return VectorType::get(EltTy, VTy->getNumElements());
}
+ /// isValidElementType - Return true if the specified type is valid as a
+ /// element type.
+ static bool isValidElementType(const Type *ElemTy);
+
/// @brief Return the number of elements in the Vector type.
inline unsigned getNumElements() const { return NumElements; }
/// @brief Return the number of bits in the Vector type.
inline unsigned getBitWidth() const {
- return NumElements *getElementType()->getPrimitiveSizeInBits();
+ return NumElements * getElementType()->getPrimitiveSizeInBits();
}
// Implement the AbstractTypeUser interface.
return PointerType::get(ElementType, 0);
}
+ /// isValidElementType - Return true if the specified type is valid as a
+ /// element type.
+ static bool isValidElementType(const Type *ElemTy);
+
/// @brief Return the address space of the Pointer type.
inline unsigned getAddressSpace() const { return AddressSpace; }
/// OpaqueType - Class to represent abstract types
///
class OpaqueType : public DerivedType {
+ friend class LLVMContextImpl;
OpaqueType(const OpaqueType &); // DO NOT IMPLEMENT
const OpaqueType &operator=(const OpaqueType &); // DO NOT IMPLEMENT
- OpaqueType();
+ OpaqueType(LLVMContext &C);
public:
/// OpaqueType::get - Static factory method for the OpaqueType class...
///
- static OpaqueType *get() {
- return new OpaqueType(); // All opaque types are distinct
- }
+ static OpaqueType *get(LLVMContext &C);
// Implement support for type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const OpaqueType *) { return true; }
projects / oota-llvm.git / blobdiff