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[GC] Remove more dead code from Registry [NFCI] 

llvm-svn: 257729
This commit is contained in:
Philip Reames 2016-01-14 01:06:05 +00:00
parent 054123550f
commit 585025474f
1 changed files with 7 additions and 31 deletions
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38
llvm/include/llvm/Support/Registry.h
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@ -37,29 +37,13 @@ namespace llvm {
std::unique_ptr<T> instantiate() const { return Ctor(); }
};
/// Traits for registry entries. If using other than SimpleRegistryEntry, it
/// is necessary to define an alternate traits class.
template <typename T>
class RegistryTraits {
RegistryTraits() = delete;
public:
typedef SimpleRegistryEntry<T> entry;
/// nameof/descof - Accessors for name and description of entries. These are
// used to generate help for command-line options.
static const char *nameof(const entry &Entry) { return Entry.getName(); }
static const char *descof(const entry &Entry) { return Entry.getDesc(); }
};
/// A global registry used in conjunction with static constructors to make
/// pluggable components (like targets or garbage collectors) "just work" when
/// linked with an executable.
template <typename T, typename U = RegistryTraits<T> >
template <typename T>
class Registry {
public:
typedef U traits;
typedef typename U::entry entry;
typedef SimpleRegistryEntry<T> entry;
class node;
class iterator;
@ -119,14 +103,6 @@ namespace llvm {
/// Use of this template requires that:
///
/// 1. The registered subclass has a default constructor.
//
/// 2. The registry entry type has a constructor compatible with this
/// signature:
///
/// entry(const char *Name, const char *ShortDesc, T *(*Ctor)());
///
/// If you have more elaborate requirements, then copy and modify.
///
template <typename V>
class Add {
entry Entry;
@ -140,14 +116,14 @@ namespace llvm {
};
};
// Since these are defined in a header file, plugins must be sure to export
// these symbols.
template <typename T>
typename Registry<T>::node *Registry<T>::Head;
template <typename T, typename U>
typename Registry<T,U>::node *Registry<T,U>::Head;
template <typename T, typename U>
typename Registry<T,U>::node *Registry<T,U>::Tail;
template <typename T>
typename Registry<T>::node *Registry<T>::Tail;
} // end namespace llvm
#endif // LLVM_SUPPORT_REGISTRY_H