#define LLVM_DERIVED_TYPES_H
#include "llvm/Type.h"
-#include "llvm/ADT/ArrayRef.h"
#include "llvm/Support/DataTypes.h"
namespace llvm {
class IntegerValType;
class APInt;
class LLVMContext;
+template<typename T> class ArrayRef;
class DerivedType : public Type {
friend class Type;
/// FunctionType::get - Create a FunctionType taking no parameters.
///
- static FunctionType *get(const Type *Result, bool isVarArg) {
- return get(Result, ArrayRef<const Type *>(), isVarArg);
- }
-
+ static FunctionType *get(const Type *Result, bool isVarArg);
+
/// isValidReturnType - Return true if the specified type is valid as a return
/// type.
static bool isValidReturnType(const Type *RetTy);
/// getTypeAtIndex - Given an index value into the type, return the type of
/// the element.
///
- virtual const Type *getTypeAtIndex(const Value *V) const = 0;
- virtual const Type *getTypeAtIndex(unsigned Idx) const = 0;
- virtual bool indexValid(const Value *V) const = 0;
- virtual bool indexValid(unsigned Idx) const = 0;
+ const Type *getTypeAtIndex(const Value *V) const;
+ const Type *getTypeAtIndex(unsigned Idx) const;
+ bool indexValid(const Value *V) const;
+ bool indexValid(unsigned Idx) const;
// Methods for support type inquiry through isa, cast, and dyn_cast.
static inline bool classof(const CompositeType *) { return true; }
/// StructType::get - This static method is the primary way to create a
/// StructType.
///
- static StructType *get(LLVMContext &Context, ArrayRef<const Type*> Params,
+ static StructType *get(LLVMContext &Context, ArrayRef<const Type*> Elements,
bool isPacked = false);
/// StructType::get - Create an empty structure type.
///
- static StructType *get(LLVMContext &Context, bool isPacked=false) {
- return get(Context, llvm::ArrayRef<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(LLVMContext &Context,
- const Type *type, ...) END_WITH_NULL;
+ static StructType *get(LLVMContext &Context, bool isPacked = false);
+
+ /// 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, and requires at least one
+ /// element type.
+ static StructType *get(const Type *elt1, ...) END_WITH_NULL;
/// isValidElementType - Return true if the specified type is valid as a
/// element type.
element_iterator element_begin() const { return ContainedTys; }
element_iterator element_end() const { return &ContainedTys[NumContainedTys];}
+ /// isLayoutIdentical - Return true if this is layout identical to the
+ /// specified struct.
+ bool isLayoutIdentical(const StructType *Other) const {
+ return this == Other;
+ }
+
+
// Random access to the elements
unsigned getNumElements() const { return NumContainedTys; }
const Type *getElementType(unsigned N) const {
return ContainedTys[N];
}
- /// getTypeAtIndex - Given an index value into the type, return the type of
- /// the element. For a structure type, this must be a constant value...
- ///
- virtual const Type *getTypeAtIndex(const Value *V) const;
- virtual const Type *getTypeAtIndex(unsigned Idx) const;
- virtual bool indexValid(const Value *V) const;
- virtual bool indexValid(unsigned Idx) const;
-
// Implement the AbstractTypeUser interface.
virtual void refineAbstractType(const DerivedType *OldTy, const Type *NewTy);
virtual void typeBecameConcrete(const DerivedType *AbsTy);
}
public:
- inline const Type *getElementType() const { return ContainedTys[0]; }
-
- virtual bool indexValid(const Value *V) const;
- virtual bool indexValid(unsigned) const {
- return true;
- }
-
- /// getTypeAtIndex - Given an index value into the type, return the type of
- /// the element. For sequential types, there is only one subtype...
- ///
- virtual const Type *getTypeAtIndex(const Value *) const {
- return ContainedTys[0];
- }
- virtual const Type *getTypeAtIndex(unsigned) const {
- return ContainedTys[0];
- }
+ const Type *getElementType() const { return ContainedTys[0]; }
// Methods for support type inquiry through isa, cast, and dyn_cast.
static inline bool classof(const SequentialType *) { return true; }
};
-/// PointerType - Class to represent pointers
+/// PointerType - Class to represent pointers.
///
class PointerType : public SequentialType {
friend class TypeMap<PointerValType, PointerType>;
- unsigned AddressSpace;
PointerType(const PointerType &); // Do not implement
const PointerType &operator=(const PointerType &); // Do not implement
static bool isValidElementType(const Type *ElemTy);
/// @brief Return the address space of the Pointer type.
- inline unsigned getAddressSpace() const { return AddressSpace; }
+ inline unsigned getAddressSpace() const { return getSubclassData(); }
// Implement the AbstractTypeUser interface.
virtual void refineAbstractType(const DerivedType *OldTy, const Type *NewTy);
};
-/// OpaqueType - Class to represent abstract types
+/// OpaqueType - Class to represent opaque types.
///
class OpaqueType : public DerivedType {
friend class LLVMContextImpl;