/// @brief Integer representation type
class IntegerType : public Type {
friend class LLVMContextImpl;
-
+
protected:
explicit IntegerType(LLVMContext &C, unsigned NumBits) : Type(C, IntegerTyID){
setSubclassData(NumBits);
}
+
public:
/// This enum is just used to hold constants we need for IntegerType.
enum {
}
};
-
/// FunctionType - Class to represent function types
///
class FunctionType : public Type {
- FunctionType(const FunctionType &) LLVM_DELETED_FUNCTION;
- const FunctionType &operator=(const FunctionType &) LLVM_DELETED_FUNCTION;
+ FunctionType(const FunctionType &) = delete;
+ const FunctionType &operator=(const FunctionType &) = delete;
FunctionType(Type *Result, ArrayRef<Type*> Params, bool IsVarArgs);
public:
/// FunctionType::get - Create a FunctionType taking no parameters.
///
static FunctionType *get(Type *Result, bool isVarArg);
-
+
/// isValidReturnType - Return true if the specified type is valid as a return
/// type.
static bool isValidReturnType(Type *RetTy);
/// argument type.
static bool isValidArgumentType(Type *ArgTy);
- bool isVarArg() const { return getSubclassData(); }
+ bool isVarArg() const { return getSubclassData()!=0; }
Type *getReturnType() const { return ContainedTys[0]; }
typedef Type::subtype_iterator param_iterator;
param_iterator param_begin() const { return ContainedTys + 1; }
param_iterator param_end() const { return &ContainedTys[NumContainedTys]; }
+ ArrayRef<Type *> params() const {
+ return makeArrayRef(param_begin(), param_end());
+ }
/// Parameter type accessors.
Type *getParamType(unsigned i) const { return ContainedTys[i+1]; }
return T->getTypeID() == FunctionTyID;
}
};
-
+static_assert(AlignOf<FunctionType>::Alignment >= AlignOf<Type *>::Alignment,
+ "Alignment sufficient for objects appended to FunctionType");
/// CompositeType - Common super class of ArrayType, StructType, PointerType
/// and VectorType.
class CompositeType : public Type {
protected:
- explicit CompositeType(LLVMContext &C, TypeID tid) : Type(C, tid) { }
-public:
+ explicit CompositeType(LLVMContext &C, TypeID tid) : Type(C, tid) {}
+public:
/// getTypeAtIndex - Given an index value into the type, return the type of
/// the element.
///
- Type *getTypeAtIndex(const Value *V);
- Type *getTypeAtIndex(unsigned Idx);
+ Type *getTypeAtIndex(const Value *V) const;
+ Type *getTypeAtIndex(unsigned Idx) const;
bool indexValid(const Value *V) const;
bool indexValid(unsigned Idx) const;
}
};
-
/// StructType - Class to represent struct types. There are two different kinds
/// of struct types: Literal structs and Identified structs.
///
/// Literal struct types (e.g. { i32, i32 }) are uniqued structurally, and must
/// always have a body when created. You can get one of these by using one of
/// the StructType::get() forms.
-///
+///
/// Identified structs (e.g. %foo or %42) may optionally have a name and are not
/// uniqued. The names for identified structs are managed at the LLVMContext
/// level, so there can only be a single identified struct with a given name in
/// generator for a target expects).
///
class StructType : public CompositeType {
- StructType(const StructType &) LLVM_DELETED_FUNCTION;
- const StructType &operator=(const StructType &) LLVM_DELETED_FUNCTION;
+ StructType(const StructType &) = delete;
+ const StructType &operator=(const StructType &) = delete;
StructType(LLVMContext &C)
- : CompositeType(C, StructTyID), SymbolTableEntry(0) {}
+ : CompositeType(C, StructTyID), SymbolTableEntry(nullptr) {}
enum {
/// This is the contents of the SubClassData field.
SCDB_HasBody = 1,
/// pointer to the symbol table entry (maintained by LLVMContext) for the
/// struct. This is null if the type is an literal struct or if it is
/// a identified type that has an empty name.
- ///
+ ///
void *SymbolTableEntry;
-public:
- ~StructType() {
- delete [] ContainedTys; // Delete the body.
- }
+public:
/// StructType::create - This creates an identified struct.
static StructType *create(LLVMContext &Context, StringRef Name);
static StructType *create(LLVMContext &Context);
-
- static StructType *create(ArrayRef<Type*> Elements,
- StringRef Name,
- bool isPacked = false);
- static StructType *create(ArrayRef<Type*> Elements);
- static StructType *create(LLVMContext &Context,
- ArrayRef<Type*> Elements,
- StringRef Name,
+
+ static StructType *create(ArrayRef<Type *> Elements, StringRef Name,
bool isPacked = false);
- static StructType *create(LLVMContext &Context, ArrayRef<Type*> Elements);
- static StructType *create(StringRef Name, Type *elt1, ...) END_WITH_NULL;
+ static StructType *create(ArrayRef<Type *> Elements);
+ static StructType *create(LLVMContext &Context, ArrayRef<Type *> Elements,
+ StringRef Name, bool isPacked = false);
+ static StructType *create(LLVMContext &Context, ArrayRef<Type *> Elements);
+ static StructType *create(StringRef Name, Type *elt1, ...) LLVM_END_WITH_NULL;
/// StructType::get - This static method is the primary way to create a
/// literal StructType.
/// StructType::get - Create an empty structure type.
///
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(Type *elt1, ...) END_WITH_NULL;
+ static StructType *get(Type *elt1, ...) LLVM_END_WITH_NULL;
bool isPacked() const { return (getSubclassData() & SCDB_Packed) != 0; }
-
+
/// isLiteral - Return true if this type is uniqued by structural
/// equivalence, false if it is a struct definition.
bool isLiteral() const { return (getSubclassData() & SCDB_IsLiteral) != 0; }
-
+
/// isOpaque - Return true if this is a type with an identity that has no body
/// specified yet. These prints as 'opaque' in .ll files.
bool isOpaque() const { return (getSubclassData() & SCDB_HasBody) == 0; }
/// isSized - Return true if this is a sized type.
- bool isSized() const;
-
+ bool isSized(SmallPtrSetImpl<Type *> *Visited = nullptr) const;
+
/// hasName - Return true if this is a named struct that has a non-empty name.
- bool hasName() const { return SymbolTableEntry != 0; }
-
+ bool hasName() const { return SymbolTableEntry != nullptr; }
+
/// getName - Return the name for this struct type if it has an identity.
/// This may return an empty string for an unnamed struct type. Do not call
/// this on an literal type.
StringRef getName() const;
-
+
/// setName - Change the name of this type to the specified name, or to a name
/// with a suffix if there is a collision. Do not call this on an literal
/// type.
/// setBody - Specify a body for an opaque identified type.
void setBody(ArrayRef<Type*> Elements, bool isPacked = false);
- void setBody(Type *elt1, ...) END_WITH_NULL;
-
+ void setBody(Type *elt1, ...) LLVM_END_WITH_NULL;
+
/// isValidElementType - Return true if the specified type is valid as a
/// element type.
static bool isValidElementType(Type *ElemTy);
-
// Iterator access to the elements.
typedef Type::subtype_iterator element_iterator;
element_iterator element_begin() const { return ContainedTys; }
element_iterator element_end() const { return &ContainedTys[NumContainedTys];}
+ ArrayRef<Type *> const elements() const {
+ return makeArrayRef(element_begin(), element_end());
+ }
/// isLayoutIdentical - Return true if this is layout identical to the
/// specified struct.
///
class SequentialType : public CompositeType {
Type *ContainedType; ///< Storage for the single contained type.
- SequentialType(const SequentialType &) LLVM_DELETED_FUNCTION;
- const SequentialType &operator=(const SequentialType &) LLVM_DELETED_FUNCTION;
+ SequentialType(const SequentialType &) = delete;
+ const SequentialType &operator=(const SequentialType &) = delete;
protected:
SequentialType(TypeID TID, Type *ElType)
}
};
-
/// ArrayType - Class to represent array types.
///
class ArrayType : public SequentialType {
uint64_t NumElements;
- ArrayType(const ArrayType &) LLVM_DELETED_FUNCTION;
- const ArrayType &operator=(const ArrayType &) LLVM_DELETED_FUNCTION;
+ ArrayType(const ArrayType &) = delete;
+ const ArrayType &operator=(const ArrayType &) = delete;
ArrayType(Type *ElType, uint64_t NumEl);
+
public:
/// ArrayType::get - This static method is the primary way to construct an
/// ArrayType
class VectorType : public SequentialType {
unsigned NumElements;
- VectorType(const VectorType &) LLVM_DELETED_FUNCTION;
- const VectorType &operator=(const VectorType &) LLVM_DELETED_FUNCTION;
+ VectorType(const VectorType &) = delete;
+ const VectorType &operator=(const VectorType &) = delete;
VectorType(Type *ElType, unsigned NumEl);
+
public:
/// VectorType::get - This static method is the primary way to construct an
/// VectorType.
return VectorType::get(EltTy, VTy->getNumElements());
}
+ /// VectorType::getHalfElementsVectorType - This static method returns
+ /// a VectorType with half as many elements as the input type and the
+ /// same element type.
+ ///
+ static VectorType *getHalfElementsVectorType(VectorType *VTy) {
+ unsigned NumElts = VTy->getNumElements();
+ assert ((NumElts & 1) == 0 &&
+ "Cannot halve vector with odd number of elements.");
+ return VectorType::get(VTy->getElementType(), NumElts/2);
+ }
+
+ /// VectorType::getDoubleElementsVectorType - This static method returns
+ /// a VectorType with twice as many elements as the input type and the
+ /// same element type.
+ ///
+ static VectorType *getDoubleElementsVectorType(VectorType *VTy) {
+ unsigned NumElts = VTy->getNumElements();
+ return VectorType::get(VTy->getElementType(), NumElts*2);
+ }
+
/// isValidElementType - Return true if the specified type is valid as a
/// element type.
static bool isValidElementType(Type *ElemTy);
}
};
-
/// PointerType - Class to represent pointers.
///
class PointerType : public SequentialType {
- PointerType(const PointerType &) LLVM_DELETED_FUNCTION;
- const PointerType &operator=(const PointerType &) LLVM_DELETED_FUNCTION;
+ PointerType(const PointerType &) = delete;
+ const PointerType &operator=(const PointerType &) = delete;
explicit PointerType(Type *ElType, unsigned AddrSpace);
+
public:
/// PointerType::get - This constructs a pointer to an object of the specified
/// type in a numbered address space.
/// element type.
static bool isValidElementType(Type *ElemTy);
+ /// Return true if we can load or store from a pointer to this type.
+ static bool isLoadableOrStorableType(Type *ElemTy);
+
/// @brief Return the address space of the Pointer type.
inline unsigned getAddressSpace() const { return getSubclassData(); }
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