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| author | Howard Hinnant <hhinnant@apple.com> | 2012-04-03 21:09:48 +0000 |
|---|---|---|
| committer | Howard Hinnant <hhinnant@apple.com> | 2012-04-03 21:09:48 +0000 |
| commit | b2e9f19caf6c834df9c5d2e7d132ce4af5170845 (patch) | |
| tree | ff2dd1e1711fe61e438589b8699e88647bda0c39 | |
| parent | 13668f2083baa01092b451bec85c77a92c032530 (diff) | |
| download | bcm5719-llvm-b2e9f19caf6c834df9c5d2e7d132ce4af5170845.tar.gz bcm5719-llvm-b2e9f19caf6c834df9c5d2e7d132ce4af5170845.zip | |
constexpr support for <utility>. Patch contributed by Jonathan Sauer.
llvm-svn: 153968
| -rw-r--r-- | libcxx/include/utility | 7 | ||||
| -rw-r--r-- | libcxx/src/utility.cpp | 2 |
2 files changed, 7 insertions, 2 deletions
diff --git a/libcxx/include/utility b/libcxx/include/utility index 7facea3a649..a12ed91e719 100644 --- a/libcxx/include/utility +++ b/libcxx/include/utility @@ -206,8 +206,11 @@ move_if_noexcept(_Tp& __x) _NOEXCEPT } struct _LIBCPP_VISIBLE piecewise_construct_t { }; -//constexpr +#ifdef _LIBCPP_HAS_NO_CONSTEXPR extern const piecewise_construct_t piecewise_construct;// = piecewise_construct_t(); +#else +constexpr piecewise_construct_t piecewise_construct = piecewise_construct_t(); +#endif template <class _T1, class _T2> struct _LIBCPP_VISIBLE pair @@ -221,7 +224,7 @@ struct _LIBCPP_VISIBLE pair // pair(const pair&) = default; // pair(pair&&) = default; - _LIBCPP_INLINE_VISIBILITY pair() : first(), second() {} + _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR pair() : first(), second() {} _LIBCPP_INLINE_VISIBILITY pair(const _T1& __x, const _T2& __y) : first(__x), second(__y) {} diff --git a/libcxx/src/utility.cpp b/libcxx/src/utility.cpp index 7dccffb73e5..deb5ffa0077 100644 --- a/libcxx/src/utility.cpp +++ b/libcxx/src/utility.cpp @@ -11,6 +11,8 @@ _LIBCPP_BEGIN_NAMESPACE_STD +#ifdef _LIBCPP_HAS_NO_CONSTEXPR const piecewise_construct_t piecewise_construct = {}; +#endif _LIBCPP_END_NAMESPACE_STD |
