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improve some comments.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133359 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2011-06-18 21:02:49 +00:00
parent 7ff99a6ef2
commit 70d0ff1a97
1 changed files with 12 additions and 13 deletions
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25
include/llvm/Type.h
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@ -60,7 +60,7 @@ template<class GraphType> struct GraphTraits;
/// @brief Root of type hierarchy
class Type : public AbstractTypeUser {
public:
//===-------------------------------------------------------------------===//
//===--------------------------------------------------------------------===//
/// Definitions of all of the base types for the Type system. Based on this
/// value, you can cast to a "DerivedType" subclass (see DerivedTypes.h)
/// Note: If you add an element to this, you need to add an element to the
@ -70,17 +70,17 @@ public:
enum TypeID {
// PrimitiveTypes .. make sure LastPrimitiveTyID stays up to date
VoidTyID = 0, ///< 0: type with no size
FloatTyID, ///< 1: 32 bit floating point type
DoubleTyID, ///< 2: 64 bit floating point type
X86_FP80TyID, ///< 3: 80 bit floating point type (X87)
FP128TyID, ///< 4: 128 bit floating point type (112-bit mantissa)
PPC_FP128TyID, ///< 5: 128 bit floating point type (two 64-bits, PowerPC)
FloatTyID, ///< 1: 32-bit floating point type
DoubleTyID, ///< 2: 64-bit floating point type
X86_FP80TyID, ///< 3: 80-bit floating point type (X87)
FP128TyID, ///< 4: 128-bit floating point type (112-bit mantissa)
PPC_FP128TyID, ///< 5: 128-bit floating point type (two 64-bits, PowerPC)
LabelTyID, ///< 6: Labels
MetadataTyID, ///< 7: Metadata
X86_MMXTyID, ///< 8: MMX vectors (64 bits)
X86_MMXTyID, ///< 8: MMX vectors (64 bits, X86 specific)
// Derived types... see DerivedTypes.h file...
// Make sure FirstDerivedTyID stays up to date!!!
// Derived types... see DerivedTypes.h file.
// Make sure FirstDerivedTyID stays up to date!
IntegerTyID, ///< 9: Arbitrary bit width integers
FunctionTyID, ///< 10: Functions
StructTyID, ///< 11: Structures
@ -112,9 +112,8 @@ private:
const Type *getForwardedTypeInternal() const;
// Some Type instances are allocated as arrays, some aren't. So we provide
// this method to get the right kind of destruction for the type of Type.
void destroy() const; // const is a lie, this does "delete this"!
// When the last reference to a forwarded type is removed, it is destroyed.
void destroy() const;
protected:
explicit Type(LLVMContext &C, TypeID id) :
@ -523,7 +522,7 @@ inline void PATypeHolder::dropRef() {
//===----------------------------------------------------------------------===//
// Provide specializations of GraphTraits to be able to treat a type as a
// graph of sub types...
// graph of sub types.
template <> struct GraphTraits<Type*> {
typedef Type NodeType;