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C++11 support is now feature-complete.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179861 91177308-0d34-0410-b5e6-96231b3b80d8
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zygoloid committed Apr 19, 2013
1 parent f0cdc84 commit e6e68b53778bb5a15c10a73a5bf18d8ab73f75e3
@@ -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)`` or
``__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)`` or ``__has_extension(c_static_assert)``
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
======================
@@ -751,6 +751,7 @@ static bool HasFeature(const Preprocessor &PP, const IdentifierInfo *II) {
.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 Preprocessor &PP, const IdentifierInfo *II) {
.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 Preprocessor &PP, const IdentifierInfo *II) {
.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)
@@ -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
@@ -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
View
@@ -37,7 +37,10 @@ <h2 id="cxx98">C++98 implementation status</h2>
<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 @@ <h2 id="cxx11">C++11 implementation status</h2>
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 @@ <h2 id="cxx11">C++11 implementation status</h2>
<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>
View
@@ -94,7 +94,7 @@ <h2>Current Status</h2>
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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