/// @brief Is this a power-of-2 byte-width IntegerType ?
bool isPowerOf2ByteWidth() const;
- // Methods for support type inquiry through isa, cast, and dyn_cast.
+ /// Methods for support type inquiry through isa, cast, and dyn_cast.
static inline bool classof(const Type *T) {
return T->getTypeID() == IntegerTyID;
}
/// 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.
+ /// Parameter type accessors.
Type *getParamType(unsigned i) const { return ContainedTys[i+1]; }
/// getNumParams - Return the number of fixed parameters this function type
///
unsigned getNumParams() const { return NumContainedTys - 1; }
- // Methods for support type inquiry through isa, cast, and dyn_cast.
+ /// Methods for support type inquiry through isa, cast, and dyn_cast.
static inline bool classof(const Type *T) {
return T->getTypeID() == FunctionTyID;
}
bool indexValid(const Value *V) const;
bool indexValid(unsigned Idx) const;
- // Methods for support type inquiry through isa, cast, and dyn_cast.
+ /// Methods for support type inquiry through isa, cast, and dyn_cast.
static inline bool classof(const Type *T) {
return T->getTypeID() == ArrayTyID ||
T->getTypeID() == StructTyID ||
StructType(const StructType &) LLVM_DELETED_FUNCTION;
const StructType &operator=(const StructType &) LLVM_DELETED_FUNCTION;
StructType(LLVMContext &C)
- : CompositeType(C, StructTyID), SymbolTableEntry(0) {}
+ : CompositeType(C, StructTyID), SymbolTableEntry(nullptr) {}
enum {
- // This is the contents of the SubClassData field.
+ /// This is the contents of the SubClassData field.
SCDB_HasBody = 1,
SCDB_Packed = 2,
SCDB_IsLiteral = 4,
///
void *SymbolTableEntry;
public:
- ~StructType() {
- delete [] ContainedTys; // Delete the body.
- }
/// StructType::create - This creates an identified struct.
static StructType *create(LLVMContext &Context, StringRef Name);
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(StringRef Name, Type *elt1, ...) LLVM_END_WITH_NULL;
/// StructType::get - This static method is the primary way to create a
/// literal StructType.
/// 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; }
bool isOpaque() const { return (getSubclassData() & SCDB_HasBody) == 0; }
/// isSized - Return true if this is a sized type.
- bool isSized() const;
+ bool isSized(SmallPtrSetImpl<const 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
/// 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.
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.
bool isLayoutIdentical(StructType *Other) const;
- // Random access to the elements
+ /// Random access to the elements
unsigned getNumElements() const { return NumContainedTys; }
Type *getElementType(unsigned N) const {
assert(N < NumContainedTys && "Element number out of range!");
return ContainedTys[N];
}
- // Methods for support type inquiry through isa, cast, and dyn_cast.
+ /// Methods for support type inquiry through isa, cast, and dyn_cast.
static inline bool classof(const Type *T) {
return T->getTypeID() == StructTyID;
}
public:
Type *getElementType() const { return ContainedTys[0]; }
- // Methods for support type inquiry through isa, cast, and dyn_cast.
+ /// Methods for support type inquiry through isa, cast, and dyn_cast.
static inline bool classof(const Type *T) {
return T->getTypeID() == ArrayTyID ||
T->getTypeID() == PointerTyID ||
uint64_t getNumElements() const { return NumElements; }
- // Methods for support type inquiry through isa, cast, and dyn_cast.
+ /// Methods for support type inquiry through isa, cast, and dyn_cast.
static inline bool classof(const Type *T) {
return T->getTypeID() == ArrayTyID;
}
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);
return NumElements * getElementType()->getPrimitiveSizeInBits();
}
- // Methods for support type inquiry through isa, cast, and dyn_cast.
+ /// Methods for support type inquiry through isa, cast, and dyn_cast.
static inline bool classof(const Type *T) {
return T->getTypeID() == VectorTyID;
}
/// @brief Return the address space of the Pointer type.
inline unsigned getAddressSpace() const { return getSubclassData(); }
- // Implement support type inquiry through isa, cast, and dyn_cast.
+ /// Implement support type inquiry through isa, cast, and dyn_cast.
static inline bool classof(const Type *T) {
return T->getTypeID() == PointerTyID;
}
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