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update clang section 

llvm-svn: 65430
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Chris Lattner 2009-02-25 05:09:54 +00:00
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llvm/docs/ReleaseNotes.html
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@ -92,39 +92,32 @@ the <a href="#vmkit">VMKit Project</a>.
<p>The <a href="http://clang.llvm.org/">Clang project</a> is an effort to build
a set of new 'LLVM native' front-end technologies for the LLVM optimizer
and code generator. Clang is continuing to make major strides forward in all
areas. Its C and Objective-C parsing support is very solid, and the code
generation support is far enough along to build many C applications. While not
yet production quality, it is progressing very nicely. In addition, C++
front-end work has started to make significant progress.</p>
and code generator. While Clang is not included in the LLVM 2.5 release, it
is continuing to make major strides forward in all areas. Its C and Objective-C
parsing and code generation support is now very solid. For example, it is
capable of successfully building many real applications for X86-32 and X86-64,
including the FreeBSD kernel. C++ is also making <a
href="http://clang.llvm.org/cxx_status.html">incredible progress</a>, and work
on templates has recently started.</p>
<p>Clang, in conjunction with the <tt>ccc</tt> driver, is now usable as a
replacement for gcc for building some small- to medium-sized C applications.
Additionally, Clang now has code generation support for Objective-C on Mac OS X
platform. Major highlights include:</p>
<p>While Clang is not yet production quality, it is progressing very nicely and
is quite usable for building many C and Objective-C applications. If you are
interested in fast compiles and good diagnostics, we encourage you to try it out
by <a href="http://clang.llvm.org/get_started.html">building from mainlnie</a>
and reporting any issues you hit to the <a
href="http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev">Clang front-end mailing
list</a>.</p>
<p>In the LLVM 2.5 time-frame, the Clang team has made many improvements:</p>
<ul>
<li> Clang/ccc pass almost all of the LLVM test suite on Mac OS X and Linux
on the 32-bit x86 architecture. This includes significant C
applications such as <a href="http://www.sqlite.org">sqlite3</a>,
<a href="http://www.lua.org">lua</a>, and
<a href="http://www.clamav.net">Clam AntiVirus</a>. </li>
<li> Clang can build the majority of Objective-C examples shipped with the
Mac OS X Developer Tools. </li>
</ul>
<p>Clang code generation still needs considerable testing and development,
however. Some areas under active development include:</p>
<ul>
<li> Improved support for C and Objective-C features, for example
variable-length arrays, va_arg, exception handling (Obj-C), and garbage
collection (Obj-C). </li>
<li> ABI compatibility, especially for platforms other than 32-bit
x86. </li>
</ul>
<li>Clang now has a new driver, which is focused on providing a GCC-compatible
interface.</li>
<li>The X86-64 ABI is now supported.</li>
<li>Precompiled header support is now implemented.</li>
<li>Objective-C support is significantly improved beyond LLVM 2.4, supporting
many features, such as Objective-C Garbage Collection.</li>
<li>Many many bugs are fixed.</li>
</div>
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