//===-- llvm/DerivedTypes.h - Classes for handling data types ---*- C++ -*-===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
//
-// This file contains the declarations of classes that represent "derived
+// 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...
//
#define LLVM_DERIVED_TYPES_H
#include "llvm/Type.h"
+#include "llvm/Support/DataTypes.h"
namespace llvm {
class ArrayValType;
class StructValType;
class PointerValType;
+class PackedValType;
class DerivedType : public Type, public AbstractTypeUser {
// AbstractTypeUsers - Implement a list of the users that need to be notified
// if I am a type, and I get resolved into a more concrete type.
//
mutable std::vector<AbstractTypeUser *> AbstractTypeUsers;
+ friend class Type;
protected:
DerivedType(TypeID id) : Type("", id) {}
delete this;
}
-
+
public:
//===--------------------------------------------------------------------===//
const FunctionType &operator=(const FunctionType &); // Do not implement
protected:
/// This should really be private, but it squelches a bogus warning
- /// from GCC to make them protected: warning: `class FunctionType' only
+ /// from GCC to make them protected: warning: `class FunctionType' only
/// defines private constructors and has no friends
///
/// Private ctor - Only can be created by a static member...
///
- FunctionType(const Type *Result, const std::vector<const Type*> &Params,
+ FunctionType(const Type *Result, const std::vector<const Type*> &Params,
bool IsVarArgs);
public:
/// getNumParams - Return the number of fixed parameters this function type
/// requires. This does not consider varargs.
///
- unsigned getNumParams() const { return ContainedTys.size()-1; }
+ unsigned getNumParams() const { return unsigned(ContainedTys.size()-1); }
// Implement the AbstractTypeUser interface.
virtual void refineAbstractType(const DerivedType *OldTy, const Type *NewTy);
virtual void typeBecameConcrete(const DerivedType *AbsTy);
-
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const FunctionType *T) { return true; }
static inline bool classof(const Type *T) {
};
-/// CompositeType - Common super class of ArrayType, StructType, and PointerType
-///
+/// CompositeType - Common super class of ArrayType, StructType, PointerType
+/// and PackedType
class CompositeType : public DerivedType {
protected:
inline CompositeType(TypeID id) : DerivedType(id) { }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const CompositeType *T) { return true; }
static inline bool classof(const Type *T) {
- return T->getTypeID() == ArrayTyID ||
+ return T->getTypeID() == ArrayTyID ||
T->getTypeID() == StructTyID ||
- T->getTypeID() == PointerTyID;
+ T->getTypeID() == PointerTyID ||
+ T->getTypeID() == PackedTyID;
}
};
protected:
/// This should really be private, but it squelches a bogus warning
- /// from GCC to make them protected: warning: `class StructType' only
+ /// from GCC to make them protected: warning: `class StructType' only
/// defines private constructors and has no friends
///
/// Private ctor - Only can be created by a static member...
element_iterator element_end() const { return ContainedTys.end(); }
// Random access to the elements
- unsigned getNumElements() const { return ContainedTys.size(); }
+ unsigned getNumElements() const { return unsigned(ContainedTys.size()); }
const Type *getElementType(unsigned N) const {
assert(N < ContainedTys.size() && "Element number out of range!");
return ContainedTys[N];
};
-/// SequentialType - This is the superclass of the array and pointer type
-/// classes. Both of these represent "arrays" in memory. The array type
+/// SequentialType - This is the superclass of the array, pointer and packed
+/// type classes. All of these represent "arrays" in memory. The array type
/// represents a specifically sized array, pointer types are unsized/unknown
-/// size arrays. SequentialType holds the common features of both, which stem
-/// from the fact that both lay their components out in memory identically.
+/// size arrays, packed types represent specifically sized arrays that
+/// allow for use of SIMD instructions. SequentialType holds the common
+/// features of all, which stem from the fact that all three lay their
+/// components out in memory identically.
///
class SequentialType : public CompositeType {
SequentialType(const SequentialType &); // Do not implement!
static inline bool classof(const SequentialType *T) { return true; }
static inline bool classof(const Type *T) {
return T->getTypeID() == ArrayTyID ||
- T->getTypeID() == PointerTyID;
+ T->getTypeID() == PointerTyID ||
+ T->getTypeID() == PackedTyID;
}
};
///
class ArrayType : public SequentialType {
friend class TypeMap<ArrayValType, ArrayType>;
- unsigned NumElements;
+ uint64_t NumElements;
ArrayType(const ArrayType &); // Do not implement
const ArrayType &operator=(const ArrayType &); // Do not implement
protected:
/// This should really be private, but it squelches a bogus warning
- /// from GCC to make them protected: warning: `class ArrayType' only
+ /// from GCC to make them protected: warning: `class ArrayType' only
/// defines private constructors and has no friends
///
/// Private ctor - Only can be created by a static member...
///
- ArrayType(const Type *ElType, unsigned NumEl);
+ ArrayType(const Type *ElType, uint64_t NumEl);
public:
/// ArrayType::get - This static method is the primary way to construct an
/// ArrayType
///
- static ArrayType *get(const Type *ElementType, unsigned NumElements);
+ static ArrayType *get(const Type *ElementType, uint64_t NumElements);
- inline unsigned getNumElements() const { return NumElements; }
+ inline uint64_t getNumElements() const { return NumElements; }
// Implement the AbstractTypeUser interface.
virtual void refineAbstractType(const DerivedType *OldTy, const Type *NewTy);
}
};
+/// PackedType - Class to represent packed types
+///
+class PackedType : public SequentialType {
+ friend class TypeMap<PackedValType, PackedType>;
+ unsigned NumElements;
+
+ PackedType(const PackedType &); // Do not implement
+ const PackedType &operator=(const PackedType &); // Do not implement
+protected:
+ /// This should really be private, but it squelches a bogus warning
+ /// from GCC to make them protected: warning: `class PackedType' only
+ /// defines private constructors and has no friends
+ ///
+ /// Private ctor - Only can be created by a static member...
+ ///
+ PackedType(const Type *ElType, unsigned NumEl);
+
+public:
+ /// PackedType::get - This static method is the primary way to construct an
+ /// PackedType
+ ///
+ static PackedType *get(const Type *ElementType, unsigned NumElements);
+
+ inline unsigned getNumElements() const { return NumElements; }
+
+ // Implement the AbstractTypeUser interface.
+ virtual void refineAbstractType(const DerivedType *OldTy, const Type *NewTy);
+ virtual void typeBecameConcrete(const DerivedType *AbsTy);
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const PackedType *T) { return true; }
+ static inline bool classof(const Type *T) {
+ return T->getTypeID() == PackedTyID;
+ }
+};
+
/// PointerType - Class to represent pointers
///
const PointerType &operator=(const PointerType &); // Do not implement
protected:
// This should really be private, but it squelches a bogus warning
- // from GCC to make them protected: warning: `class PointerType' only
+ // from GCC to make them protected: warning: `class PointerType' only
// defines private constructors and has no friends
// Private ctor - Only can be created by a static member...
const OpaqueType &operator=(const OpaqueType &); // DO NOT IMPLEMENT
protected:
/// This should really be private, but it squelches a bogus warning
- /// from GCC to make them protected: warning: `class OpaqueType' only
+ /// from GCC to make them protected: warning: `class OpaqueType' only
/// defines private constructors and has no friends
///
/// Private ctor - Only can be created by a static member...
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