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llvm/docs/ReleaseNotes.html

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release primarily improves the <a href="#codequality">performance of the
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code</a> produced by all aspects of the LLVM compiler, adds many <a
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href="#newfeatures">new features</a>, <a href="#bugfix">fixes a few
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bugs</a>, speeds up the compiler, and introduces a new (experimental)
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PowerPC code generator.</p>
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bugs</a>, and speeds up the compiler.</p>
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<p> At this time, LLVM is known to correctly compile and run all C &amp; C++
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SPEC CPU95 &amp; 2000 benchmarks, the Olden benchmarks, and the Ptrdist
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<li>All LLVM tools will now respond to the
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<a href="http://llvm.cs.uiuc.edu/PR413"><tt>--version</tt> option</a> which
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will tell you the version of LLVM on which the tool is based.</li>
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<li>An experimental PowerPC backend has been added, capable of compiling several
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SPEC benchmarks.</li>
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</ol>
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</div>
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Bytecode Reader</a></li>
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<li><a href="http://llvm.cs.uiuc.edu/PR392">Global Vars Have (Somewhat) Limited
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Type Range</a></li>
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<li><a href="http://llvm.cs.uiuc.edu/PR341">operator&lt;&lt; on a Value* now
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prints the address of the object instead of its contents.</a></li>
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<li><a href="http://llvm.cs.uiuc.edu/PR341">operator&lt;&lt; on a Value* now prints the address of the object instead of its contents.</a></li>
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<li><a href="http://llvm.cs.uiuc.edu/PR402">Bytecode Enhancements
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Needed</a></li>
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<li><a href="http://llvm.cs.uiuc.edu/PR404">[loopsimplify] Loop simplify is
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really slow on 252.eon</a></li>
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<li><a href="Http://llvm.cs.uiuc.edu/PR122">[code-cleanup] SymbolTable class
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cleanup, Type should not derive from Value, eliminate ConstantPointerRef
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class</a>.</li>
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Needed</a></li>
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<li><a href="http://llvm.cs.uiuc.edu/PR404">[loopsimplify] Loop simplify is really slow on 252.eon</a></li>
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<li><a href="Http://llvm.cs.uiuc.edu/PR122">[code-cleanup] SymbolTable
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class cleanup, Type should not derive from Value, eliminate
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ConstantPointerRef class</a>.</li>
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<li>The memory footprint of the LLVM IR has been reduced substantially.</li>
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<li>The LLVM linker and many core classes have been sped up substantially.</li>
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</ol>
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<li>Intel and AMD machines running Red Hat Linux and FreeBSD (and probably
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other unix-like systems).</li>
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<li>Sun UltraSPARC workstations running Solaris 8.</li>
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<li>PowerPC-based Mac OS X boxes, running 10.3 and above (C backend and
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interpreter only, no native codegen is available yet).</li>
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<li>Intel and AMD machines running on Win32 with the Cygwin libraries.</li>
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<li>PowerPC-based Mac OS X boxes, running 10.2 and above. Note that no JIT
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support is available yet, and LLC support is beta. The C backend can be used
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to produce stable code for this platform.</li>
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</ul>
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<p>The core LLVM infrastructure uses
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<a href="http://www.gnu.org/software/autoconf/">GNU autoconf</a> to adapt itself
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to the machine and operating system on which it is built. However, minor
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components, please contact us on the llvmdev list.</p>
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<ul>
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<li>The PowerPC backend is incomplete and is known to miscompile several SPEC
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benchmarks. The file <tt>llvm/lib/Target/PowerPC/README.txt</tt> has
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details.</li>
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<li>The following passes are incomplete or buggy: <tt>-pgmdep, -memdep,
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-ipmodref, -cee</tt></li>
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<li>The <tt>-pre</tt> pass is incomplete (there are cases it doesn't handle that
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it should) and not thoroughly tested.</li>
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<li>The <tt>llvm-ar</tt> tool is incomplete and probably buggy.</li>

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