r179861 - C++11 support is now feature-complete.
Renato Golin
renato.golin at linaro.org
Fri Apr 19 10:18:41 PDT 2013
This is cause for a celebration! ;)
cheers,
--renato
On 19 April 2013 18:00, Richard Smith <richard-llvm at metafoo.co.uk> wrote:
> Author: rsmith
> Date: Fri Apr 19 12:00:31 2013
> New Revision: 179861
>
> URL: http://llvm.org/viewvc/llvm-project?rev=179861&view=rev
> Log:
> C++11 support is now feature-complete.
>
> Modified:
> cfe/trunk/docs/LanguageExtensions.rst
> cfe/trunk/lib/Lex/PPMacroExpansion.cpp
> cfe/trunk/test/Lexer/has_feature_c1x.c
> cfe/trunk/test/Lexer/has_feature_cxx0x.cpp
> cfe/trunk/www/cxx_status.html
> cfe/trunk/www/index.html
>
> Modified: cfe/trunk/docs/LanguageExtensions.rst
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/LanguageExtensions.rst?rev=179861&r1=179860&r2=179861&view=diff
>
> ==============================================================================
> --- cfe/trunk/docs/LanguageExtensions.rst (original)
> +++ cfe/trunk/docs/LanguageExtensions.rst Fri Apr 19 12:00:31 2013
> @@ -645,8 +645,7 @@ C++11 inheriting constructors
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> Use ``__has_feature(cxx_inheriting_constructors)`` to determine if
> support for
> -inheriting constructors is enabled. Clang does not currently implement
> this
> -feature.
> +inheriting constructors is enabled.
>
> C++11 inline namespaces
> ^^^^^^^^^^^^^^^^^^^^^^^
> @@ -727,6 +726,12 @@ Use ``__has_feature(cxx_static_assert)``
> ``__has_extension(cxx_static_assert)`` to determine if support for
> compile-time
> assertions using ``static_assert`` is enabled.
>
> +C++11 ``thread_local``
> +^^^^^^^^^^^^^^^^^^^^^^
> +
> +Use ``__has_feature(cxx_thread_local)`` to determine if support for
> +``thread_local`` variables is enabled.
> +
> C++11 type inference
> ^^^^^^^^^^^^^^^^^^^^
>
> @@ -818,6 +823,12 @@ Use ``__has_feature(c_static_assert)`` o
> to determine if support for compile-time assertions using
> ``_Static_assert`` is
> enabled.
>
> +C11 ``_Thread_local``
> +^^^^^^^^^^^^^^^^^^^^^
> +
> +Use ``__has_feature(c_thread_local)`` to determine if support for
> +``_Thread_local`` variables is enabled.
> +
> Checks for Type Traits
> ======================
>
>
> Modified: cfe/trunk/lib/Lex/PPMacroExpansion.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/PPMacroExpansion.cpp?rev=179861&r1=179860&r2=179861&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/Lex/PPMacroExpansion.cpp (original)
> +++ cfe/trunk/lib/Lex/PPMacroExpansion.cpp Fri Apr 19 12:00:31 2013
> @@ -751,6 +751,7 @@ static bool HasFeature(const Preprocesso
> .Case("c_atomic", LangOpts.C11)
> .Case("c_generic_selections", LangOpts.C11)
> .Case("c_static_assert", LangOpts.C11)
> + .Case("c_thread_local", LangOpts.C11)
> // C++11 features
> .Case("cxx_access_control_sfinae", LangOpts.CPlusPlus11)
> .Case("cxx_alias_templates", LangOpts.CPlusPlus11)
> @@ -768,7 +769,7 @@ static bool HasFeature(const Preprocesso
> .Case("cxx_explicit_conversions", LangOpts.CPlusPlus11)
> .Case("cxx_generalized_initializers", LangOpts.CPlusPlus11)
> .Case("cxx_implicit_moves", LangOpts.CPlusPlus11)
> - //.Case("cxx_inheriting_constructors", false)
> + .Case("cxx_inheriting_constructors", LangOpts.CPlusPlus11)
> .Case("cxx_inline_namespaces", LangOpts.CPlusPlus11)
> .Case("cxx_lambdas", LangOpts.CPlusPlus11)
> .Case("cxx_local_type_template_args", LangOpts.CPlusPlus11)
> @@ -782,6 +783,7 @@ static bool HasFeature(const Preprocesso
> .Case("cxx_rvalue_references", LangOpts.CPlusPlus11)
> .Case("cxx_strong_enums", LangOpts.CPlusPlus11)
> .Case("cxx_static_assert", LangOpts.CPlusPlus11)
> + .Case("cxx_thread_local", LangOpts.CPlusPlus11)
> .Case("cxx_trailing_return", LangOpts.CPlusPlus11)
> .Case("cxx_unicode_literals", LangOpts.CPlusPlus11)
> .Case("cxx_unrestricted_unions", LangOpts.CPlusPlus11)
>
> Modified: cfe/trunk/test/Lexer/has_feature_c1x.c
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Lexer/has_feature_c1x.c?rev=179861&r1=179860&r2=179861&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/Lexer/has_feature_c1x.c (original)
> +++ cfe/trunk/test/Lexer/has_feature_c1x.c Fri Apr 19 12:00:31 2013
> @@ -37,6 +37,15 @@ int no_alignas();
> // CHECK-1X: has_alignas
> // CHECK-NO-1X: no_alignas
>
> +#if __has_feature(c_thread_local)
> +int has_thread_local();
> +#else
> +int no_thread_local();
> +#endif
> +
> +// CHECK-1X: has_thread_local
> +// CHECK-NO-1X: no_thread_local
> +
> #if __STDC_VERSION__ > 199901L
> int is_c1x();
> #else
>
> Modified: cfe/trunk/test/Lexer/has_feature_cxx0x.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Lexer/has_feature_cxx0x.cpp?rev=179861&r1=179860&r2=179861&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/Lexer/has_feature_cxx0x.cpp (original)
> +++ cfe/trunk/test/Lexer/has_feature_cxx0x.cpp Fri Apr 19 12:00:31 2013
> @@ -272,3 +272,21 @@ int no_local_type_template_args();
>
> // CHECK-0X: has_local_type_template_args
> // CHECK-NO-0X: no_local_type_template_args
> +
> +#if __has_feature(cxx_inheriting_constructors)
> +int has_inheriting_constructors();
> +#else
> +int no_inheriting_constructors();
> +#endif
> +
> +// CHECK-0X: has_inheriting_constructors
> +// CHECK-NO-0X: no_inheriting_constructors
> +
> +#if __has_feature(cxx_thread_local)
> +int has_thread_local();
> +#else
> +int no_thread_local();
> +#endif
> +
> +// CHECK-0X: has_thread_local
> +// CHECK-NO-0X: no_thread_local
>
> Modified: cfe/trunk/www/cxx_status.html
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/www/cxx_status.html?rev=179861&r1=179860&r2=179861&view=diff
>
> ==============================================================================
> --- cfe/trunk/www/cxx_status.html (original)
> +++ cfe/trunk/www/cxx_status.html Fri Apr 19 12:00:31 2013
> @@ -37,7 +37,10 @@
>
> <h2 id="cxx11">C++11 implementation status</h2>
>
> - <p>Clang provides support for a number of features included in the new
> <a href="
> http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=50372">ISO
> C++ Standard, ISO/IEC 14882:2011</a>. The following table describes which
> C++11 features have been implemented in Clang and in which Clang versions
> they became available.</p>
> + <p>Clang implements all of the <a
> + href="
> http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=50372
> ">ISO
> + C++ 2011 standard</a>. The following table describes the Clang version
> + in which each feature became available.</p>
>
> <p>By default, Clang builds C++ code according to the C++98 standard,
> with many
> C++11 features accepted as extensions. You can use Clang in C++11 mode
> with the
> @@ -47,7 +50,8 @@ patches are needed to make <a href="libs
> work with Clang in C++11 mode. Patches are also needed to make
> <a href="libstdc++4.6-clang11.patch">libstdc++-4.6</a>,
> and <a href="libstdc++4.7-clang11.patch">libstdc++-4.7</a> work with Clang
> -releases prior to version 3.2 in C++11 mode.</p>
> +releases prior to version 3.2 in C++11 mode. <tt>thread_local</tt> support
> +currently requires g++-4.8's C++ runtime library.</p>
>
> <table width="689" border="1" cellspacing="0">
> <tr>
> @@ -349,7 +353,7 @@ releases prior to version 3.2 in C++11 m
> <tr>
> <td>Thread-local storage</td>
> <td><a href="
> http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2659.htm
> ">N2659</a></td>
> - <td class="none" align="center">No</td>
> + <td class="svn" align="center">SVN</td>
> </tr>
> <tr>
> <td>Dynamic initialization and destruction with concurrency</td>
>
> Modified: cfe/trunk/www/index.html
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/www/index.html?rev=179861&r1=179860&r2=179861&view=diff
>
> ==============================================================================
> --- cfe/trunk/www/index.html (original)
> +++ cfe/trunk/www/index.html Fri Apr 19 12:00:31 2013
> @@ -94,7 +94,7 @@
> targeting X86-32, X86-64, and ARM (other targets may have caveats, but
> are
> usually easy to fix). If you are looking for source analysis or
> source-to-source transformation tools, clang is probably a great
> - solution for you. Clang supports most of C++11, please see the <a
> + solution for you. Clang supports C++11, please see the <a
> href="cxx_status.html">C++ status</a> page for more
> information.</p>
>
>
>
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