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llvm-svn: 102354
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Chris Lattner 2010-04-26 17:42:18 +00:00
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@ -115,17 +115,36 @@ development. Here we include updates on these subprojects.
<div class="doc_text">
<p><a href="http://clang.llvm.org/">Clang</a> is an LLVM front end for the C, C++, and Objective-C languages. Clang aims to provide a better user experience through expressive diagnostics, a high level of conformance to language standards, fast compilation, and low memory use. Like LLVM, Clang provides a modular, library-based architecture that makes it suitable for creating or integrating with other development tools. Clang is considered a production-quality compiler for C and Objective-C on x86 (32- and 64-bit).</p>
<p><a href="http://clang.llvm.org/">Clang</a> is an LLVM front end for the C,
C++, and Objective-C languages. Clang aims to provide a better user experience
through expressive diagnostics, a high level of conformance to language
standards, fast compilation, and low memory use. Like LLVM, Clang provides a
modular, library-based architecture that makes it suitable for creating or
integrating with other development tools. Clang is considered a
production-quality compiler for C and Objective-C on x86 (32- and 64-bit).</p>
<p>In the LLVM 2.7 time-frame, the Clang team has made many improvements:</p>
<ul>
<li>C++ Support: Clang is now capable of self-hosting! While still alpha-quality, Clang's C++ support has matured enough to build LLVM and Clang, and C++ is now enabled by default. See the <a href="http://clang.llvm.org/cxx_compatibility.html">Clang C++ compatibility page</a> for common C++ migration issues.</li>
<li>C++ Support: Clang is now capable of self-hosting! While still
alpha-quality, Clang's C++ support has matured enough to build LLVM and Clang,
and C++ is now enabled by default. See the <a
href="http://clang.llvm.org/cxx_compatibility.html">Clang C++ compatibility
page</a> for common C++ migration issues.</li>
<li>Objective-C: Clang now includes experimental support for an updated Objective-C ABI on non-Darwin platforms. This includes support for non-fragile instance variables and accelerated proxies, as well as greater potential for future optimisations. The new ABI is used when compiling with the -fobjc-nonfragile-abi and -fgnu-runtime options. Code compiled with these options may be mixed with code compiled with GCC or clang using the old GNU ABI, but requires the libobjc2 runtime from the GNUstep project.</li>
<li>Objective-C: Clang now includes experimental support for an updated
Objective-C ABI on non-Darwin platforms. This includes support for non-fragile
instance variables and accelerated proxies, as well as greater potential for
future optimisations. The new ABI is used when compiling with the
-fobjc-nonfragile-abi and -fgnu-runtime options. Code compiled with these
options may be mixed with code compiled with GCC or clang using the old GNU ABI,
but requires the libobjc2 runtime from the GNUstep project.</li>
<li>New warnings: Clang contains a number of new warnings, including control-flow warnings (unreachable code, missing return statements in a non-<code>void</code> function, etc.), sign-comparison warnings, and improved format-string warnings.</li>
<li>New warnings: Clang contains a number of new warnings, including
control-flow warnings (unreachable code, missing return statements in a
non-<code>void</code> function, etc.), sign-comparison warnings, and improved
format-string warnings.</li>
<li>CIndex API and Python bindings: Clang now includes a C API as part of the
CIndex library. Although we may make some changes to the API in the future, it