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all content split into sections, still much work to be done.
llvm-svn: 83532
This commit is contained in:
Chris Lattner
parent
41b5fd5218
commit
6f4cfe5f53
@ -51,45 +51,26 @@ current one. To see the release notes for a specific release, please see the
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<a href="http://llvm.org/releases/">releases page</a>.</p>
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</div>
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MC:
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MCSection, MCAsmInfo
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MCInstPrinter did it make it in?
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MCInst (X86 using it so far)
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Rewrite of X86 GV selection logic: TargetOperand flags on ExternalSymbol, GV, etc operands.
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Can parse and re-print out an darwin-x86 .s file.
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TargetLoweringObjectFile, MCSectionKind
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Verrrry early start of a macho writer.
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ELF Writer? How stable?
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APIs:
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Shrink wrapping support in PEI, what is the state of it?
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<!--
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Almost dead code.
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include/llvm/Analysis/LiveValues.h => dan
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lib/Analysis/LoopVR.cpp ==> dan/nick/owen
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lib/Transforms/IPO/MergeFunctions.cpp
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llvm/Analysis/PointerTracking.h
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include/llvm/Analysis/LiveValues.h => Dan
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lib/Transforms/IPO/MergeFunctions.cpp => consider for 2.8.
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llvm/Analysis/PointerTracking.h => Edwin wants this, consider for 2.8.
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-->
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LLVM build now builds all libraries as .a files instead of some
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libraries as relinked .o files. This requires some APIs like
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InitializeAllTargets.h. TargetRegistry!
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<!-- Unfinished features in 2.6:
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Mention gcc plugin.
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gcc plugin.
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strong phi elim
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variable debug info for optimized code
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postalloc scheduler: anti dependence breaking, hazard recognizer?
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metadata
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loop dependence analysis
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ELF Writer? How stable?
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<li>PostRA scheduler improvements, ARM adoption (David Goodwin).</li>
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-->
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<!-- for announcement email:
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@ -128,7 +109,7 @@ Project</a> and the <a href="#vmkit">VMKit Project</a>.
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<div class="doc_text">
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<p>The <a href="http://clang.llvm.org/">Clang project</a> is an effort to build
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<p><b>UPDATE!</b> The <a href="http://clang.llvm.org/">Clang project</a> is an effort to build
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a set of new 'LLVM native' front-end technologies for the LLVM optimizer and
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code generator. While Clang is not included in the LLVM 2.6 release, it is
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continuing to make major strides forward in all areas. Its C and Objective-C
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@ -161,7 +142,7 @@ list</a>.</p>
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<div class="doc_text">
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<p>Previously announced in the 2.4 LLVM release, the Clang project also
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<p><b>UPDATE!</b> Previously announced in the 2.4 and 2.5 LLVM releases, the Clang project also
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includes an early stage static source code analysis tool for <a
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href="http://clang.llvm.org/StaticAnalysis.html">automatically finding bugs</a>
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in C and Objective-C programs. The tool performs a growing set of checks to find
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@ -185,6 +166,7 @@ this project is encouraged to get involved!</p>
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<div class="doc_text">
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<p>
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<b>UPDATE!</b>
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The <a href="http://vmkit.llvm.org/">VMKit project</a> is an implementation of
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a JVM and a CLI Virtual Machines (Microsoft .NET is an
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implementation of the CLI) using the Just-In-Time compiler of LLVM.</p>
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@ -200,12 +182,48 @@ bug fixes, cleanup and new features. The major changes are:</p>
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</ul>
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</div>
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<!--=========================================================================-->
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<div class="doc_subsection">
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<a name="mc">llvm-mc: Machine Code Toolkit</a>
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</div>
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<div class="doc_text">
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<p>
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<b>UPDATE!</b>
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blah
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MC:
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MCSection, MCAsmInfo
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MCInstPrinter did it make it in?
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MCInst (X86 using it so far)
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Rewrite of X86 GV selection logic: TargetOperand flags on ExternalSymbol, GV, etc operands.
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Can parse and re-print out an darwin-x86 .s file.
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TargetLoweringObjectFile, MCSectionKind
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Verrrry early start of a macho writer.
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</p>
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</div>
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<!-- *********************************************************************** -->
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<div class="doc_section">
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<a name="externalproj">External Projects Using LLVM 2.6</a>
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</div>
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<!-- *********************************************************************** -->
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<!--=========================================================================-->
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<div class="doc_subsection">
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<a name="Rubinius">Rubinius</a>
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</div>
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<div class="doc_text">
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<p><a href="http://github.com/evanphx/rubinius">Rubinius</a> is an environment
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for running Ruby code which strives to write as much of the core class
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implementation in Ruby as possible. Combined with a bytecode interpreting VM, it
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uses LLVM to optimize and compile ruby code down to machine code. Techniques
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such as type feedback, method inlining, and uncommon traps are all used to
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remove dynamism from ruby execution and increase performance.</p>
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</div>
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<!--=========================================================================-->
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<div class="doc_subsection">
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@ -236,6 +254,7 @@ handling.</p>
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<div class="doc_text">
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<p>
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<b>UPDATE!</b>
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<a href="http://pure-lang.googlecode.com/">Pure</a>
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is an algebraic/functional programming language based on term rewriting.
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Programs are collections of equations which are used to evaluate expressions in
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@ -262,6 +281,7 @@ it as a kind of functional scripting language for many application areas.
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<div class="doc_text">
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<p>
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<b>UPDATE!</b>
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<a href="http://www.dsource.org/projects/ldc">LDC</a> is an implementation of
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the D Programming Language using the LLVM optimizer and code generator.
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The LDC project works great with the LLVM 2.6 release. General improvements in
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@ -279,7 +299,9 @@ fully featured as the original DMD compiler from DigitalMars.
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</div>
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<div class="doc_text">
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<p><a href="http://code.roadsend.com/rphp">Roadsend PHP</a> (rphp) is an open
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<p>
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<b>UPDATE!</b>
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<a href="http://code.roadsend.com/rphp">Roadsend PHP</a> (rphp) is an open
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source implementation of the PHP programming
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language that uses LLVM for its optimizer, JIT, and static compiler. This is a
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reimplementation of an earlier project that is now based on LLVM.</p>
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@ -291,22 +313,14 @@ reimplementation of an earlier project that is now based on LLVM.</p>
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</div>
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<div class="doc_text">
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<p><a href="http://code.google.com/p/unladen-swallow/">Unladen Swallow</a> is a
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<p>
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<b>UPDATE!</b>
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<a href="http://code.google.com/p/unladen-swallow/">Unladen Swallow</a> is a
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branch of <a href="http://python.org/">Python</a> intended to be fully
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compatible and significantly faster. It uses LLVM's optimization passes and JIT
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compiler.</p>
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</div>
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<!--=========================================================================-->
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<div class="doc_subsection">
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<a name="Rubinius">Rubinius</a>
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</div>
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<div class="doc_text">
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<p><a href="http://github.com/evanphx/rubinius">Rubinius</a> is a new virtual
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machine for Ruby. It leverages LLVM to dynamically compile Ruby code down to
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machine code using LLVM's JIT.</p>
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</div>
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<!-- *********************************************************************** -->
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@ -339,7 +353,6 @@ in this section.
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<li>New MSP430 and SystemZ backends.</li>
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<li>New BlackFin backend.</li>
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<li>LLVMContext, llvm_start_multithreaded: ProgrammersManual.html#threading</li>
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<li>Unladen swallow as user?</li>
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<li>klee web page at klee.llvm.org</li>
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<li>FileCheck</li>
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<li>New compiler-rt project.</li>
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@ -348,25 +361,6 @@ in this section.
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</div>
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<!--=========================================================================-->
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<div class="doc_subsection">
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<a name="llvm-gcc">llvm-gcc 4.2 Improvements</a>
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</div>
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<div class="doc_text">
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<p>LLVM fully supports the llvm-gcc 4.2 front-end, which marries the GCC
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front-ends and driver with the LLVM optimizer and code generator. It currently
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includes support for the C, C++, Objective-C, Ada, and Fortran front-ends.</p>
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<ul>
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<li>Something wonderful!</li>
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</ul>
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</div>
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<!--=========================================================================-->
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<div class="doc_subsection">
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<a name="coreimprovements">LLVM IR and Core Improvements</a>
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@ -438,8 +432,7 @@ it run faster:</p>
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<li>Regalloc hints for allocation stuff: Evan r73381/r73671. Finished/enabled?</li>
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<li>Stack slot coloring for register spills (denser stack frames)</li>
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<li>SelectionDAGS: New BuildVectorSDNode (r65296), and ISD::VECTOR_SHUFFLE (r69952 / PR2957)</li>
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<li>PostRA scheduler improvements David Goodwin.</li>
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</li>
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<li>Experimental support for shrink wrapping support in PEI.</li>
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</ul>
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</div>
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@ -579,8 +572,17 @@ to receive callbacks when the JIT emits or frees machine code. The
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OProfile support uses this mechanism.</li>
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JIT support for oprofile (r75279), configure with --with-oprofile. Now we get line # and function info for JIT'd functions.
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<li> Profile info improvements by Andreas Neustifter.</li>
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<li> Many extensions to the C APIs.</li>
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<li>Profile info improvements by Andreas Neustifter.</li>
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<li>Many extensions to the C APIs.</li>
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<li>LLVMC:
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* Dynamic plugins now work on Windows.
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* New option property: init. Makes possible to provide default values for
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options defined in plugins (interface to cl::init).
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* New example: Skeleton, shows how to create a standalone LLVMC-based driver.
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* New example: mcc16, a driver for the PIC16 toolchain.</li>
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</ul>
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</div>
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@ -607,6 +609,12 @@ criteria. We still want it to work, but no one is maintaining it and it lacks
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support for arbitrary precision integers and other important IR features.</li>
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</ul>
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LLVM build now builds all libraries as .a files instead of some
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libraries as relinked .o files. This requires some APIs like
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InitializeAllTargets.h. TargetRegistry!
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<p>In addition, many APIs have changed in this release. Some of the major LLVM
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API changes are:</p>
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