[cfe-commits] r150524 - in /cfe/trunk: docs/LanguageExtensions.html lib/Lex/PPMacroExpansion.cpp test/Lexer/has_feature_cxx0x.cpp

[Richard Smith]

Thanks for the prod. I've started some Clang 3.1 release notes in r150640.

On Wed, Feb 15, 2012 at 3:11 AM, Chris Lattner <clattner at apple.com> wrote:

> Nice!  This should be release noted!
>
> -Chris
>
> On Feb 14, 2012, at 4:35 PM, Chandler Carruth <chandlerc at google.com>
> wrote:
>
> Woot!!!
> On Feb 14, 2012 1:02 PM, "Richard Smith" <richard-llvm at metafoo.co.uk>
> wrote:
>
>> Author: rsmith
>> Date: Tue Feb 14 16:56:17 2012
>> New Revision: 150524
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=150524&view=rev
>> Log:
>> Advertize support for constexpr.
>>
>> Modified:
>>    cfe/trunk/docs/LanguageExtensions.html
>>    cfe/trunk/lib/Lex/PPMacroExpansion.cpp
>>    cfe/trunk/test/Lexer/has_feature_cxx0x.cpp
>>
>> Modified: cfe/trunk/docs/LanguageExtensions.html
>> URL:
>> http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/LanguageExtensions.html?rev=150524&r1=150523&r2=150524&view=diff
>>
>> ==============================================================================
>> --- cfe/trunk/docs/LanguageExtensions.html (original)
>> +++ cfe/trunk/docs/LanguageExtensions.html Tue Feb 14 16:56:17 2012
>> @@ -668,7 +668,7 @@
>>
>>  <p>Use <tt>__has_feature(cxx_constexpr)</tt> to determine if support
>>  for generalized constant expressions (e.g., <tt>constexpr</tt>) is
>> -enabled. Clang does not currently implement this feature.</p>
>> +enabled.</p>
>>
>>  <h4 id="cxx_decltype">C++11 <tt>decltype()</tt></h4>
>>
>>
>> Modified: cfe/trunk/lib/Lex/PPMacroExpansion.cpp
>> URL:
>> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/PPMacroExpansion.cpp?rev=150524&r1=150523&r2=150524&view=diff
>>
>> ==============================================================================
>> --- cfe/trunk/lib/Lex/PPMacroExpansion.cpp (original)
>> +++ cfe/trunk/lib/Lex/PPMacroExpansion.cpp Tue Feb 14 16:56:17 2012
>> @@ -638,7 +638,7 @@
>>            .Case("cxx_atomic", LangOpts.CPlusPlus0x)
>>            .Case("cxx_attributes", LangOpts.CPlusPlus0x)
>>            .Case("cxx_auto_type", LangOpts.CPlusPlus0x)
>> -         //.Case("cxx_constexpr", false);
>> +           .Case("cxx_constexpr", LangOpts.CPlusPlus0x)
>>            .Case("cxx_decltype", LangOpts.CPlusPlus0x)
>>            .Case("cxx_default_function_template_args",
>> LangOpts.CPlusPlus0x)
>>            .Case("cxx_defaulted_functions", LangOpts.CPlusPlus0x)
>>
>> 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=150524&r1=150523&r2=150524&view=diff
>>
>> ==============================================================================
>> --- cfe/trunk/test/Lexer/has_feature_cxx0x.cpp (original)
>> +++ cfe/trunk/test/Lexer/has_feature_cxx0x.cpp Tue Feb 14 16:56:17 2012
>> @@ -217,3 +217,12 @@
>>
>>  // CHECK-0X: has_unicode_literals
>>  // CHECK-NO-0X: no_unicode_literals
>> +
>> +#if __has_feature(cxx_constexpr)
>> +int has_constexpr();
>> +#else
>> +int no_constexpr();
>> +#endif
>> +
>> +// CHECK-0X: has_constexpr
>> +// CHECK-NO-0X: no_constexpr
>>
>>
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