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author | Chris Lattner <sabre@nondot.org> | 2011-11-27 18:47:37 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2011-11-27 18:47:37 +0000 |
commit | 1ab8ce93720c7d7aacd30615a68b22843a2043c8 (patch) | |
tree | 0e2d545c5ae8b468da41cce5cdbbb48617b329ef /docs/ReleaseNotes.html | |
parent | c608b708ef4844aa2ece4ea2e1cbce9835b479df (diff) | |
download | external_llvm-1ab8ce93720c7d7aacd30615a68b22843a2043c8.zip external_llvm-1ab8ce93720c7d7aacd30615a68b22843a2043c8.tar.gz external_llvm-1ab8ce93720c7d7aacd30615a68b22843a2043c8.tar.bz2 |
some random notes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145190 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/ReleaseNotes.html')
-rw-r--r-- | docs/ReleaseNotes.html | 51 |
1 files changed, 26 insertions, 25 deletions
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html index 11bec09..d1f2cc2 100644 --- a/docs/ReleaseNotes.html +++ b/docs/ReleaseNotes.html @@ -45,7 +45,8 @@ Release Notes</a>.</h1> <p>This document contains the release notes for the LLVM Compiler Infrastructure, release 3.0. Here we describe the status of LLVM, including - major improvements from the previous release and significant known problems. + major improvements from the previous release, improvements in various + subprojects of LLVM, and some of the current users of the code. All LLVM releases may be downloaded from the <a href="http://llvm.org/releases/">LLVM releases web site</a>.</p> @@ -62,14 +63,6 @@ Release Notes</a>.</h1> </div> -<!-- Features that need text if they're finished for 3.1: - ARM EHABI - combiner-aa? - strong phi elim - loop dependence analysis - CorrelatedValuePropagation - lib/Transforms/IPO/MergeFunctions.cpp => consider for 3.1. - --> <!-- *********************************************************************** --> <h2> @@ -99,7 +92,7 @@ Release Notes</a>.</h1> 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, Objective-C, C++ and Objective-C++ on x86 - (32- and 64-bit), and for darwin/arm targets.</p> + (32- and 64-bit), and for Darwin/ARM targets.</p> <p>In the LLVM 3.0 time-frame, the Clang team has made many improvements:</p> @@ -109,9 +102,9 @@ Release Notes</a>.</h1> <li><a href="http://clang.llvm.org/cxx_status.html">Improved support</a> for the <a href="http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=50372">C++ - 2011</a> standard, including implementations of non-static data member - initializers, alias templates, delegating constructors, the range-based - for loop, and implicitly-generated move constructors and move assignment + 2011</a> standard (aka "C++'0x"), including implementations of non-static data member + initializers, alias templates, delegating constructors, range-based + for loops, and implicitly-generated move constructors and move assignment operators, among others.</li> <li>Implemented support for some features of the upcoming C1x standard, @@ -127,18 +120,18 @@ Release Notes</a>.</h1> 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>A migration tool for moving manual retain/release 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>Weak linking support for Objective-C 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> + Some new Objective-C 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 @@ -169,6 +162,7 @@ Release Notes</a>.</h1> <p>The 3.0 release has the following notable changes:</p> + <ul> <li>GCC version 4.6 is now fully supported.</li> <li>Patching and building GCC is no longer required: the plugin should work @@ -177,16 +171,12 @@ Release Notes</a>.</h1> <li>The <tt>-fplugin-arg-dragonegg-enable-gcc-optzns</tt> option, which runs GCC's optimizers as well as LLVM's, now works much better. This is the - option to use if you want ultimate performance! It not yet completely - stable: it may cause the plugin to crash.</li> + option to use if you want ultimate performance! It is still experimental + though: it may cause the plugin to crash.</li> <li>The type and constant conversion logic has been almost entirely rewritten, fixing a multitude of obscure bugs.</li> -<ul> -<!-- -<li></li> ---> </ul> </div> @@ -207,7 +197,9 @@ Release Notes</a>.</h1> implementations of this and other low-level routines (some are 3x faster than the equivalent libgcc routines).</p> -<p>In the LLVM 3.0 timeframe,</p> +<p>In the LLVM 3.0 timeframe, the target specific ARM code has converted to + "unified" assembly syntax, and several new functions have been added to the + library.</p> </div> @@ -740,6 +732,15 @@ be used to verify some algorithms. <div> + <!-- Features that need text if they're finished for 3.1: + ARM EHABI + combiner-aa? + strong phi elim + loop dependence analysis + CorrelatedValuePropagation + lib/Transforms/IPO/MergeFunctions.cpp => consider for 3.1. + --> + <p><b>llvm-gcc is gone</b>. LLVM's configure script doesn't depend on llvm-gcc anymore, clean layering.</p> <p>LLVM 3.0 includes several major new capabilities:</p> |