#ifndef LLVM_IR_TYPE_H
#define LLVM_IR_TYPE_H
-#include "llvm-c/Core.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Support/CBindingWrapping.h"
/// they are never changed. Also note that only one instance of a particular
/// type is ever created. Thus seeing if two types are equal is a matter of
/// doing a trivial pointer comparison. To enforce that no two equal instances
-/// are created, Type instances can only be created via static factory methods
+/// are created, Type instances can only be created via static factory methods
/// in class Type and in derived classes. Once allocated, Types are never
/// free'd.
-///
+///
class Type {
public:
//===--------------------------------------------------------------------===//
LabelTyID, ///< 7: Labels
MetadataTyID, ///< 8: Metadata
X86_MMXTyID, ///< 9: MMX vectors (64 bits, X86 specific)
+ TokenTyID, ///< 10: Tokens
// Derived types... see DerivedTypes.h file.
// Make sure FirstDerivedTyID stays up to date!
- IntegerTyID, ///< 10: Arbitrary bit width integers
- FunctionTyID, ///< 11: Functions
- StructTyID, ///< 12: Structures
- ArrayTyID, ///< 13: Arrays
- PointerTyID, ///< 14: Pointers
- VectorTyID ///< 15: SIMD 'packed' format, or other vector type
+ IntegerTyID, ///< 11: Arbitrary bit width integers
+ FunctionTyID, ///< 12: Functions
+ StructTyID, ///< 13: Structures
+ ArrayTyID, ///< 14: Arrays
+ PointerTyID, ///< 15: Pointers
+ VectorTyID ///< 16: SIMD 'packed' format, or other vector type
};
private:
/// Context - This refers to the LLVMContext in which this type was uniqued.
LLVMContext &Context;
- // Due to Ubuntu GCC bug 910363:
- // https://bugs.launchpad.net/ubuntu/+source/gcc-4.5/+bug/910363
- // Bitpack ID and SubclassData manually.
- // Note: TypeID : low 8 bit; SubclassData : high 24 bit.
- uint32_t IDAndSubclassData;
+ TypeID ID : 8; // The current base type of this type.
+ unsigned SubclassData : 24; // Space for subclasses to store data.
protected:
friend class LLVMContextImpl;
explicit Type(LLVMContext &C, TypeID tid)
- : Context(C), IDAndSubclassData(0),
- NumContainedTys(0), ContainedTys(nullptr) {
- setTypeID(tid);
- }
+ : Context(C), ID(tid), SubclassData(0),
+ NumContainedTys(0), ContainedTys(nullptr) {}
~Type() = default;
- void setTypeID(TypeID ID) {
- IDAndSubclassData = (ID & 0xFF) | (IDAndSubclassData & 0xFFFFFF00);
- assert(getTypeID() == ID && "TypeID data too large for field");
- }
-
- unsigned getSubclassData() const { return IDAndSubclassData >> 8; }
-
+ unsigned getSubclassData() const { return SubclassData; }
+
void setSubclassData(unsigned val) {
- IDAndSubclassData = (IDAndSubclassData & 0xFF) | (val << 8);
+ SubclassData = val;
// Ensure we don't have any accidental truncation.
assert(getSubclassData() == val && "Subclass data too large for field");
}
Type * const *ContainedTys;
public:
- void print(raw_ostream &O) const;
+ void print(raw_ostream &O, bool IsForDebug = false) const;
void dump() const;
/// getContext - Return the LLVMContext in which this type was uniqued.
/// getTypeID - Return the type id for the type. This will return one
/// of the TypeID enum elements defined above.
///
- TypeID getTypeID() const { return (TypeID)(IDAndSubclassData & 0xFF); }
+ TypeID getTypeID() const { return ID; }
/// isVoidTy - Return true if this is 'void'.
bool isVoidTy() const { return getTypeID() == VoidTyID; }
/// isFloatTy - Return true if this is 'float', a 32-bit IEEE fp type.
bool isFloatTy() const { return getTypeID() == FloatTyID; }
-
+
/// isDoubleTy - Return true if this is 'double', a 64-bit IEEE fp type.
bool isDoubleTy() const { return getTypeID() == DoubleTyID; }
/// isFPOrFPVectorTy - Return true if this is a FP type or a vector of FP.
///
bool isFPOrFPVectorTy() const { return getScalarType()->isFloatingPointTy(); }
-
+
/// isLabelTy - Return true if this is 'label'.
bool isLabelTy() const { return getTypeID() == LabelTyID; }
/// isMetadataTy - Return true if this is 'metadata'.
bool isMetadataTy() const { return getTypeID() == MetadataTyID; }
+ /// isTokenTy - Return true if this is 'token'.
+ bool isTokenTy() const { return getTypeID() == TokenTyID; }
+
/// isIntegerTy - True if this is an instance of IntegerType.
///
- bool isIntegerTy() const { return getTypeID() == IntegerTyID; }
+ bool isIntegerTy() const { return getTypeID() == IntegerTyID; }
/// isIntegerTy - Return true if this is an IntegerType of the given width.
bool isIntegerTy(unsigned Bitwidth) const;
/// integer types.
///
bool isIntOrIntVectorTy() const { return getScalarType()->isIntegerTy(); }
-
+
/// isFunctionTy - True if this is an instance of FunctionType.
///
bool isFunctionTy() const { return getTypeID() == FunctionTyID; }
/// pointer types.
///
bool isPtrOrPtrVectorTy() const { return getScalarType()->isPointerTy(); }
-
+
/// isVectorTy - True if this is an instance of VectorType.
///
bool isVectorTy() const { return getTypeID() == VectorTyID; }
- /// canLosslesslyBitCastTo - Return true if this type could be converted
- /// with a lossless BitCast to type 'Ty'. For example, i8* to i32*. BitCasts
- /// are valid for types of the same size only where no re-interpretation of
+ /// canLosslesslyBitCastTo - Return true if this type could be converted
+ /// with a lossless BitCast to type 'Ty'. For example, i8* to i32*. BitCasts
+ /// are valid for types of the same size only where no re-interpretation of
/// the bits is done.
/// @brief Determine if this type could be losslessly bitcast to Ty
bool canLosslesslyBitCastTo(Type *Ty) const;
/// get the actual size for a particular target, it is reasonable to use the
/// DataLayout subsystem to do this.
///
- bool isSized(SmallPtrSetImpl<const Type*> *Visited = nullptr) const {
+ bool isSized(SmallPtrSetImpl<Type*> *Visited = nullptr) const {
// If it's a primitive, it is always sized.
if (getTypeID() == IntegerTyID || isFloatingPointTy() ||
getTypeID() == PointerTyID ||
/// getScalarType - If this is a vector type, return the element type,
/// otherwise return 'this'.
- const Type *getScalarType() const LLVM_READONLY;
- Type *getScalarType() LLVM_READONLY;
+ Type *getScalarType() const LLVM_READONLY;
//===--------------------------------------------------------------------===//
// Type Iteration support.
// example) is shorthand for cast<VectorType>(Ty)->getNumElements(). This is
// only intended to cover the core methods that are frequently used, helper
// methods should not be added here.
-
+
unsigned getIntegerBitWidth() const;
Type *getFunctionParamType(unsigned i) const;
unsigned getFunctionNumParams() const;
bool isFunctionVarArg() const;
-
+
StringRef getStructName() const;
unsigned getStructNumElements() const;
Type *getStructElementType(unsigned N) const;
-
+
Type *getSequentialElementType() const;
-
+
uint64_t getArrayNumElements() const;
Type *getArrayElementType() const { return getSequentialElementType(); }
/// \brief Get the address space of this pointer or pointer vector type.
unsigned getPointerAddressSpace() const;
-
+
//===--------------------------------------------------------------------===//
// Static members exported by the Type class itself. Useful for getting
// instances of Type.
static Type *getFP128Ty(LLVMContext &C);
static Type *getPPC_FP128Ty(LLVMContext &C);
static Type *getX86_MMXTy(LLVMContext &C);
+ static Type *getTokenTy(LLVMContext &C);
static IntegerType *getIntNTy(LLVMContext &C, unsigned N);
static IntegerType *getInt1Ty(LLVMContext &C);
static IntegerType *getInt8Ty(LLVMContext &C);
static IntegerType *getInt16Ty(LLVMContext &C);
static IntegerType *getInt32Ty(LLVMContext &C);
static IntegerType *getInt64Ty(LLVMContext &C);
+ static IntegerType *getInt128Ty(LLVMContext &C);
//===--------------------------------------------------------------------===//
// Convenience methods for getting pointer types with one of the above builtin
/// getPointerTo - Return a pointer to the current type. This is equivalent
/// to PointerType::get(Foo, AddrSpace).
- PointerType *getPointerTo(unsigned AddrSpace = 0);
+ PointerType *getPointerTo(unsigned AddrSpace = 0) const;
private:
/// isSizedDerivedType - Derived types like structures and arrays are sized
/// iff all of the members of the type are sized as well. Since asking for
/// their size is relatively uncommon, move this operation out of line.
- bool isSizedDerivedType(SmallPtrSetImpl<const Type*> *Visited = nullptr) const;
+ bool isSizedDerivedType(SmallPtrSetImpl<Type*> *Visited = nullptr) const;
};
// Printing of types.
}
};
-
//===----------------------------------------------------------------------===//
// Provide specializations of GraphTraits to be able to treat a type as a
// graph of sub types.
-
-template <> struct GraphTraits<Type*> {
+template <> struct GraphTraits<Type *> {
typedef Type NodeType;
typedef Type::subtype_iterator ChildIteratorType;
inline LLVMTypeRef *wrap(Type **Tys) {
return reinterpret_cast<LLVMTypeRef*>(const_cast<Type**>(Tys));
}
-
+
} // End llvm namespace
#endif
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