//
// 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/Support/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
///
void dropAllTypeUses();
- /// unlockedRefineAbstractTypeTo - Internal version of refineAbstractTypeTo
- /// that performs no locking. Only used for internal recursion.
- void unlockedRefineAbstractTypeTo(const Type *NewType);
-
public:
//===--------------------------------------------------------------------===//
/// 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(); }
/// 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(bool isPacked=false) {
- return get(std::vector<const Type*>(), isPacked);
+ 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.
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 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());
}
/// 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; }
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