[llvm-commits] [llvm] r145144 - /llvm/trunk/docs/ReleaseNotes.html

David Chisnall csdavec at swan.ac.uk
Sat Nov 26 02:56:17 PST 2011

Author: theraven
Date: Sat Nov 26 04:56:17 2011
New Revision: 145144

URL: http://llvm.org/viewvc/llvm-project?rev=145144&view=rev
Added Objective-C and libc++ details to the 3.0 release notes.


Modified: llvm/trunk/docs/ReleaseNotes.html
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/ReleaseNotes.html?rev=145144&r1=145143&r2=145144&view=diff
--- llvm/trunk/docs/ReleaseNotes.html (original)
+++ llvm/trunk/docs/ReleaseNotes.html Sat Nov 26 04:56:17 2011
@@ -120,9 +120,25 @@
   <li>Better detection of include and linking paths for system headers and
       libraries, especially for Linux distributions.</li>
-  <li>Implemented support
-      for <a href="http://clang.llvm.org/docs/AutomaticReferenceCounting.html">Automatic
-      Reference Counting</a> for Objective-C.</li>
+  <li>Several improvements to Objective-C support, including:
+    <ul>
+      <li><a href="http://clang.llvm.org/docs/AutomaticReferenceCounting.html">
+          Automatic Reference Counting</a> (ARC) and an improved memory model
+          cleanly separating object and C memory.</li>
+      <li>A migration tool for moving legacy code to ARC</li>
+      <li>Better support for data hiding, allowing instance variables to be
+          declared in implementation contexts or class extensions</li>
+      <li>Weak linking for classes</li>
+      <li>Improved static type checking by inferring the return type of methods
+      such as +alloc and -init.</li>
+    </ul>
+    Some new features require either the Mac OS X 10.7 / iOS 5 Objective-C
+    runtime, or version 1.6 or later of the GNUstep Objective-C runtime
+    version.</li>
   <li>Implemented a number of optimizations in <tt>libclang</tt>, the Clang C
       interface, to improve the performance of code completion and the mapping
@@ -221,6 +237,9 @@
    licensed</a> under the MIT and UIUC license, allowing it to be used more
+<p>Libc++ has been ported to FreeBSD and imported into the base system.  It is
+   planned to be the default STL implementation for FreeBSD 10.</p>

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