[libcxx-commits] [PATCH] D118923: [libc++] Remove unused code paths for non-existent builtins

[Louis Dionne via Phabricator via libcxx-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGabcbe87311db: [libc++] Remove unused code paths for non-existent builtins (authored by ldionne).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D118923/new/

https://reviews.llvm.org/D118923

Files:
  libcxx/include/type_traits


Index: libcxx/include/type_traits
===================================================================
--- libcxx/include/type_traits
+++ libcxx/include/type_traits
@@ -634,67 +634,28 @@
 
 // remove_const
 
-#if __has_keyword(__remove_const)
-
-template <class _Tp>
-struct _LIBCPP_TEMPLATE_VIS remove_const {typedef __remove_const(_Tp) type;};
-
-#if _LIBCPP_STD_VER > 11
-template <class _Tp> using remove_const_t = __remove_const(_Tp);
-#endif
-
-#else
-
 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS remove_const            {typedef _Tp type;};
 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS remove_const<const _Tp> {typedef _Tp type;};
 #if _LIBCPP_STD_VER > 11
 template <class _Tp> using remove_const_t = typename remove_const<_Tp>::type;
 #endif
 
-#endif // __has_keyword(__remove_const)
-
 // remove_volatile
 
-#if __has_keyword(__remove_volatile)
-
-template <class _Tp>
-struct _LIBCPP_TEMPLATE_VIS remove_volatile {typedef __remove_volatile(_Tp) type;};
-
-#if _LIBCPP_STD_VER > 11
-template <class _Tp> using remove_volatile_t = __remove_volatile(_Tp);
-#endif
-
-#else
-
 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS remove_volatile               {typedef _Tp type;};
 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS remove_volatile<volatile _Tp> {typedef _Tp type;};
 #if _LIBCPP_STD_VER > 11
 template <class _Tp> using remove_volatile_t = typename remove_volatile<_Tp>::type;
 #endif
 
-#endif // __has_keyword(__remove_volatile)
-
 // remove_cv
 
-#if __has_keyword(__remove_cv)
-
-template <class _Tp>
-struct _LIBCPP_TEMPLATE_VIS remove_cv {typedef __remove_cv(_Tp) type;};
-
-#if _LIBCPP_STD_VER > 11
-template <class _Tp> using remove_cv_t = __remove_cv(_Tp);
-#endif
-
-#else
-
 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS remove_cv
 {typedef typename remove_volatile<typename remove_const<_Tp>::type>::type type;};
 #if _LIBCPP_STD_VER > 11
 template <class _Tp> using remove_cv_t = typename remove_cv<_Tp>::type;
 #endif
 
-#endif // __has_keyword(__remove_cv)
-
 // is_void
 
 #if __has_keyword(__is_void)
@@ -1272,13 +1233,6 @@
 
 // remove_reference
 
-#if __has_keyword(__remove_reference)
-
-template<class _Tp>
-struct _LIBCPP_TEMPLATE_VIS remove_reference { typedef __remove_reference(_Tp) type; };
-
-#else // __has_keyword(__remove_reference)
-
 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS remove_reference        {typedef _LIBCPP_NODEBUG _Tp type;};
 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS remove_reference<_Tp&>  {typedef _LIBCPP_NODEBUG _Tp type;};
 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS remove_reference<_Tp&&> {typedef _LIBCPP_NODEBUG _Tp type;};
@@ -1287,8 +1241,6 @@
 template <class _Tp> using remove_reference_t = typename remove_reference<_Tp>::type;
 #endif
 
-#endif // __has_keyword(__remove_reference)
-
 // add_lvalue_reference
 
 template <class _Tp, bool = __is_referenceable<_Tp>::value> struct __add_lvalue_reference_impl            { typedef _LIBCPP_NODEBUG _Tp  type; };


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