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author | Bill Wendling <isanbard@gmail.com> | 2011-11-01 04:51:35 +0000 |
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committer | Bill Wendling <isanbard@gmail.com> | 2011-11-01 04:51:35 +0000 |
commit | fb4b8feca78a845aba2a90a26918cdc5fedf3134 (patch) | |
tree | 6b5dbf26b3a3febc6480819372ffd85367fa3e58 /docs/ReleaseNotes.html | |
parent | c6db06a8c4dfc59d3d9c4f6757f584aabc71937b (diff) |
Update release notes to ToT. WIP.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_30@143439 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/ReleaseNotes.html')
-rw-r--r-- | docs/ReleaseNotes.html | 421 |
1 files changed, 332 insertions, 89 deletions
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html index e079b6dbfe..8c94c7d120 100644 --- a/docs/ReleaseNotes.html +++ b/docs/ReleaseNotes.html @@ -189,13 +189,7 @@ Release Notes</a>.</h1> <div> -<p><a href="http://lldb.llvm.org/">LLDB</a> is a brand new member of the LLVM - umbrella of projects. LLDB is a next generation, high-performance - debugger. It is built as a set of reusable components which highly leverage - existing libraries in the larger LLVM Project, such as the Clang expression - parser, the LLVM disassembler and the LLVM JIT.</p> - -<p>LLDB is has advanced by leaps and bounds in the 3.0 timeframe. It is +<p>LLDB has advanced by leaps and bounds in the 3.0 timeframe. It is dramatically more stable and useful, and includes both a new <a href="http://lldb.llvm.org/tutorial.html">tutorial</a> and a <a href="http://lldb.llvm.org/lldb-gdb.html">side-by-side comparison with @@ -210,13 +204,6 @@ Release Notes</a>.</h1> <div> -<p><a href="http://libcxx.llvm.org/">libc++</a> is another new member of the - LLVM family. It is an implementation of the C++ standard library, written - from the ground up to specifically target the forthcoming C++'0X standard and - focus on delivering great performance.</p> - -<p>In the LLVM 3.0 timeframe,</p> - <p>Like compiler_rt, libc++ is now <a href="DeveloperPolicy.html#license">dual licensed</a> under the MIT and UIUC license, allowing it to be used more permissively.</p> @@ -290,22 +277,256 @@ be used to verify some algorithms. projects that have already been updated to work with LLVM 3.0.</p> <!--=========================================================================--> -<h3>Crack Programming Language</h3> +<h3>AddressSanitizer</h3> + +<div> + +<p><a href="http://code.google.com/p/address-sanitizer/">AddressSanitizer</a> + uses compiler instrumentation and a specialized malloc library to find C/C++ + bugs such as use-after-free and out-of-bound accesses to heap, stack, and + globals. The key feature of the tool is speed: the average slowdown + introduced by AddressSanitizer is less than 2x.</p> + +</div> + +<!--=========================================================================--> +<h3>ClamAV</h3> + +<div> + +<p><a href="http://www.clamav.net">Clam AntiVirus</a> is an open source (GPL) + anti-virus toolkit for UNIX, designed especially for e-mail scanning on mail + gateways.</p> + +<p>Since version 0.96 it + has <a href="http://vrt-sourcefire.blogspot.com/2010/09/introduction-to-clamavs-low-level.html">bytecode + signatures</a> that allow writing detections for complex malware.</p> + +<p>It uses LLVM's JIT to speed up the execution of bytecode on X86, X86-64, + PPC32/64, falling back to its own interpreter otherwise. The git version was + updated to work with LLVM 3.0.</p> + +</div> + +<!--=========================================================================--> +<h3>clReflect</h3> <div> -<p><a href="http://code.google.com/p/crack-language/">Crack</a> aims to provide - the ease of development of a scripting language with the performance of a - compiled language. The language derives concepts from C++, Java and Python, - incorporating object-oriented programming, operator overloading and strong - typing.</p> +<p><a href="https://bitbucket.org/dwilliamson/clreflect">clReflect</a> is a C++ + parser that uses clang/LLVM to derive a light-weight reflection database + suitable for use in game development. It comes with a very simple runtime + library for loading and querying the database, requiring no external + dependencies (including CRT), and an additional utility library for object + management and serialisation.</p> </div> + +<!--=========================================================================--> +<h3>Cling C++ Interpreter</h3> + +<div> + +<p><a href="http://cern.ch/cling">Cling</a> is an interactive compiler interface + (aka C++ interpreter). It uses LLVM's JIT and clang; it currently supports + C++ and C. It has a prompt interface, runs source files, calls into shared + libraries, prints the value of expressions, even does runtime lookup of + identifiers (dynamic scopes). And it just behaves like one would expect from + an interpreter.</p> + +</div> + +<!--=========================================================================--> +<!-- FIXME: Comment out +<h3>Crack Programming Language</h3> + +<div> +<p> +<a href="http://code.google.com/p/crack-language/">Crack</a> aims to provide the +ease of development of a scripting language with the performance of a compiled +language. The language derives concepts from C++, Java and Python, incorporating +object-oriented programming, operator overloading and strong typing.</p> +</div> +--> + +<!--=========================================================================--> +<h3>Glasgow Haskell Compiler (GHC)</h3> +<div> + +<p>GHC is an open source, state-of-the-art programming suite for Haskell, a + standard lazy functional programming language. It includes an optimizing + static compiler generating good code for a variety of platforms, together + with an interactive system for convenient, quick development.</p> + +<p>GHC 7.0 and onwards include an LLVM code generator, supporting LLVM 2.8 and + later. Since LLVM 2.9, GHC now includes experimental support for the ARM + platform with LLVM 3.0.</p> + +</div> + +<!--=========================================================================--> +<h3>gwXscript</h3> + +<div> + +<p><a href="http://botwars.tk/gwscript/">gwXscript</a> is an object oriented, + aspect oriented programming language which can create both executables (ELF, + EXE) and shared libraries (DLL, SO, DYNLIB). The compiler is implemented in + its own language and translates scripts into LLVM-IR which can be optimized + and translated into native code by the LLVM framework. Source code in + gwScript contains definitions that expand the namespaces. So you can build + your project and simply 'plug out' features by removing a file. The remaining + project does not leave scars since you directly separate concerns by the + 'template' feature of gwX. It is also possible to add new features to a + project by just adding files and without editing the original project. This + language is used for example to create games or content management systems + that should be extendable.</p> + +<p>gwXscript is strongly typed and offers comfort with its native types string, + hash and array. You can easily write new libraries in gwXscript or native + code. gwXscript is type safe and users should not be able to crash your + program or execute malicious code except code that is eating CPU time.</p> + +</div> + +<!--=========================================================================--> +<h3>include-what-you-use</h3> + +<div> + +<p><a href="http://code.google.com/p/include-what-you-use">include-what-you-use</a> + is a tool to ensure that a file directly <code>#include</code>s + all <code>.h</code> files that provide a symbol that the file uses. It also + removes superfluous <code>#include</code>s from source files.</p> + +</div> + +<!--=========================================================================--> +<h3>LanguageKit and Pragmatic Smalltalk</h3> + +<div> + +<p><a href="http://etoileos.com/etoile/features/languagekit/">LanguageKit</a> is + a framework for implementing dynamic languages sharing an object model with + Objective-C. It provides static and JIT compilation using LLVM along with + its own interpreter. Pragmatic Smalltalk is a dialect of Smalltalk, built on + top of LanguageKit, that interfaces directly with Objective-C, sharing the + same object representation and message sending behaviour. These projects are + developed as part of the Étoié desktop environment.</p> + +</div> + +<!--=========================================================================--> +<h3>LuaAV</h3> + +<div> + +<p><a href="http://lua-av.mat.ucsb.edu/blog/">LuaAV</a> is a real-time + audiovisual scripting environment based around the Lua language and a + collection of libraries for sound, graphics, and other media protocols. LuaAV + uses LLVM and Clang to JIT compile efficient user-defined audio synthesis + routines specified in a declarative syntax.</p> + +</div> + +<!--=========================================================================--> +<h3>Mono</h3> + +<div> + +<p>An open source, cross-platform implementation of C# and the CLR that is + binary compatible with Microsoft.NET. Has an optional, dynamically-loaded + LLVM code generation backend in Mini, the JIT compiler.</p> + +<p>Note that we use a Git mirror of LLVM with some patches. See: + https://github.com/mono/llvm</p> + +</div> + <!--=========================================================================--> -<h3>TTA-based Codesign Environment (TCE)</h3> +<h3>Portable OpenCL (pocl)</h3> + +<div> + +<p>Portable OpenCL is an open source implementation of the OpenCL standard which + can be easily adapted for new targets. One of the goals of the project is + improving performance portability of OpenCL programs, avoiding the need for + target-dependent manual optimizations. A "native" target is included, which + allows running OpenCL kernels on the host (CPU).</p> + +</div> + +<!--=========================================================================--> +<h3>Pure</h3> <div> +<p><a href="http://pure-lang.googlecode.com/">Pure</a> is an + algebraic/functional programming language based on term rewriting. Programs + are collections of equations which are used to evaluate expressions in a + symbolic fashion. The interpreter uses LLVM as a backend to JIT-compile Pure + programs to fast native code. Pure offers dynamic typing, eager and lazy + evaluation, lexical closures, a hygienic macro system (also based on term + rewriting), built-in list and matrix support (including list and matrix + comprehensions) and an easy-to-use interface to C and other programming + languages (including the ability to load LLVM bitcode modules, and inline C, + C++, Fortran and Faust code in Pure programs if the corresponding LLVM-enabled + compilers are installed).</p> + +<p>Pure version 0.48 has been tested and is known to work with LLVM 3.0 + (and continues to work with older LLVM releases >= 2.5).</p> + +</div> + +<!--=========================================================================--> +<h3>Renderscript</h3> + +<div> + +<p><a href="http://developer.android.com/guide/topics/renderscript/index.html">Renderscript</a> + is Android's advanced 3D graphics rendering and compute API. It provides a + portable C99-based language with extensions to facilitate common use cases + for enhancing graphics and thread level parallelism. The Renderscript + compiler frontend is based on Clang/LLVM. It emits a portable bitcode format + for the actual compiled script code, as well as reflects a Java interface for + developers to control the execution of the compiled bitcode. Executable + machine code is then generated from this bitcode by an LLVM backend on the + device. Renderscript is thus able to provide a mechanism by which Android + developers can improve performance of their applications while retaining + portability.</p> + +</div> + +<!--=========================================================================--> +<h3>SAFECode</h3> + +<div> + +<p><a href="http://safecode.cs.illinois.edu">SAFECode</a> is a memory safe C/C++ + compiler built using LLVM. It takes standard, unannotated C/C++ code, + analyzes the code to ensure that memory accesses and array indexing + operations are safe, and instruments the code with run-time checks when + safety cannot be proven statically. SAFECode can be used as a debugging aid + (like Valgrind) to find and repair memory safety bugs. It can also be used + to protect code from security attacks at run-time.</p> + +</div> + +<!--=========================================================================--> +<h3>The Stupid D Compiler (SDC)</h3> + +<div> + +<p><a href="https://github.com/bhelyer/SDC">The Stupid D Compiler</a> is a + project seeking to write a self-hosting compiler for the D programming + language without using the frontend of the reference compiler (DMD).</p> + +</div> + +<!--=========================================================================--> +<h3>TTA-based Co-design Environment (TCE)</h3> + +<div> <p>TCE is a toolset for designing application-specific processors (ASP) based on the Transport triggered architecture (TTA). The toolset provides a complete @@ -322,120 +543,140 @@ be used to verify some algorithms. </div> <!--=========================================================================--> -<h3>PinaVM</h3> - +<h3>Tart Programming Language</h3> + <div> -<p><a href="http://gitorious.org/pinavm/pages/Home">PinaVM</a> is an open - source, <a href="http://www.systemc.org/">SystemC</a> front-end. Unlike many - other front-ends, PinaVM actually executes the elaboration of the program - analyzed using LLVM's JIT infrastructure. It later enriches the bitcode with - SystemC-specific information.</p> +<p><a href="http://code.google.com/p/tart/">Tart</a> is a general-purpose, + strongly typed programming language designed for application + developers. Strongly inspired by Python and C#, Tart focuses on practical + solutions for the professional software developer, while avoiding the clutter + and boilerplate of legacy languages like Java and C++. Although Tart is still + in development, the current implementation supports many features expected of + a modern programming language, such as garbage collection, powerful + bidirectional type inference, a greatly simplified syntax for template + metaprogramming, closures and function literals, reflection, operator + overloading, explicit mutability and immutability, and much more. Tart is + flexible enough to accommodate a broad range of programming styles and + philosophies, while maintaining a strong commitment to simplicity, minimalism + and elegance in design.</p> </div> <!--=========================================================================--> -<h3>Pure</h3> - +<h3>ThreadSanitizer</h3> + <div> -<p><a href="http://pure-lang.googlecode.com/">Pure</a> is an - algebraic/functional programming language based on term rewriting. Programs - are collections of equations which are used to evaluate expressions in a - symbolic fashion. The interpreter uses LLVM as a backend to JIT-compile Pure - programs to fast native code. Pure offers dynamic typing, eager and lazy - evaluation, lexical closures, a hygienic macro system (also based on term - rewriting), built-in list and matrix support (including list and matrix - comprehensions) and an easy-to-use interface to C and other programming - languages (including the ability to load LLVM bitcode modules, and inline C, - C++, Fortran and Faust code in Pure programs if the corresponding - LLVM-enabled compilers are installed).</p> - -<p>Pure version 0.47 has been tested and is known to work with LLVM 3.0 (and - continues to work with older LLVM releases >= 2.5).</p> +<p><a href="http://code.google.com/p/data-race-test/">ThreadSanitizer</a> is a + data race detector for (mostly) C and C++ code, available for Linux, Mac OS + and Windows. On different systems, we use binary instrumentation frameworks + (Valgrind and Pin) as frontends that generate the program events for the race + detection algorithm. On Linux, there's an option of using LLVM-based + compile-time instrumentation.</p> </div> <!--=========================================================================--> -<h3 id="icedtea">IcedTea Java Virtual Machine Implementation</h3> +<h3>The ZooLib C++ Cross-Platform Application Framework</h3> <div> -<p><a href="http://icedtea.classpath.org/wiki/Main_Page">IcedTea</a> provides a - harness to build OpenJDK using only free software build tools and to provide - replacements for the not-yet free parts of OpenJDK. One of the extensions - that IcedTea provides is a new JIT compiler - named <a href="http://icedtea.classpath.org/wiki/ZeroSharkFaq">Shark</a> - which uses LLVM to provide native code generation without introducing - processor-dependent code.</p> +<p><a href="http://www.zoolib.org/">ZooLib</a> is Open Source under the MIT + License. It provides GUI, filesystem access, TCP networking, thread-safe + memory management, threading and locking for Mac OS X, Classic Mac OS, + Microsoft Windows, POSIX operating systems with X11, BeOS, Haiku, Apple's iOS + and Research in Motion's BlackBerry.</p> -<p>OpenJDK 7 b112, IcedTea6 1.9 and IcedTea7 1.13 and later have been tested and - are known to work with LLVM 3.0 (and continue to work with older LLVM - releases >= 2.6 as well).</p> +<p>My current work is to use CLang's static analyzer to improve ZooLib's code + quality. I also plan to set up LLVM compiles of the demo programs and test + programs using CLang and LLVM on all the platforms that CLang, LLVM and + ZooLib all support.</p> </div> <!--=========================================================================--> -<h3>Glasgow Haskell Compiler (GHC)</h3> +<!-- +<h3>PinaVM</h3> <div> +<p><a href="http://gitorious.org/pinavm/pages/Home">PinaVM</a> is an open +source, <a href="http://www.systemc.org/">SystemC</a> front-end. Unlike many +other front-ends, PinaVM actually executes the elaboration of the +program analyzed using LLVM's JIT infrastructure. It later enriches the +bitcode with SystemC-specific information.</p> +</div> +--> -<p>GHC is an open source, state-of-the-art programming suite for Haskell, a - standard lazy functional programming language. It includes an optimizing - static compiler generating good code for a variety of platforms, together - with an interactive system for convenient, quick development.</p> -<p>In addition to the existing C and native code generators, GHC 7.0 now - supports an LLVM code generator. GHC supports LLVM 2.7 and later.</p> +<!--=========================================================================--> +<!-- +<h3 id="icedtea">IcedTea Java Virtual Machine Implementation</h3> + +<div> +<p> +<a href="http://icedtea.classpath.org/wiki/Main_Page">IcedTea</a> provides a +harness to build OpenJDK using only free software build tools and to provide +replacements for the not-yet free parts of OpenJDK. One of the extensions that +IcedTea provides is a new JIT compiler named <a +href="http://icedtea.classpath.org/wiki/ZeroSharkFaq">Shark</a> which uses LLVM +to provide native code generation without introducing processor-dependent +code. +</p> +<p> OpenJDK 7 b112, IcedTea6 1.9 and IcedTea7 1.13 and later have been tested +and are known to work with LLVM 3.0 (and continue to work with older LLVM +releases >= 2.6 as well).</p> </div> +--> <!--=========================================================================--> +<!-- <h3>Polly - Polyhedral optimizations for LLVM</h3> <div> - <p>Polly is a project that aims to provide advanced memory access optimizations - to better take advantage of SIMD units, cache hierarchies, multiple cores or - even vector accelerators for LLVM. Built around an abstract mathematical - description based on Z-polyhedra, it provides the infrastructure to develop - advanced optimizations in LLVM and to connect complex external optimizers. In - its first year of existence Polly already provides an exact value-based - dependency analysis as well as basic SIMD and OpenMP code generation support. - Furthermore, Polly can use PoCC(Pluto) an advanced optimizer for - data-locality and parallelism.</p> - +to better take advantage of SIMD units, cache hierarchies, multiple cores or +even vector accelerators for LLVM. Built around an abstract mathematical +description based on Z-polyhedra, it provides the infrastructure to develop +advanced optimizations in LLVM and to connect complex external optimizers. In +its first year of existence Polly already provides an exact value-based +dependency analysis as well as basic SIMD and OpenMP code generation support. +Furthermore, Polly can use PoCC(Pluto) an advanced optimizer for data-locality +and parallelism.</p> </div> +--> <!--=========================================================================--> +<!-- <h3>Rubinius</h3> <div> - -<p><a href="http://github.com/evanphx/rubinius">Rubinius</a> is an environment - for running Ruby code which strives to write as much of the implementation in - Ruby as possible. Combined with a bytecode interpreting VM, it uses LLVM to - optimize and compile ruby code down to machine code. Techniques such as type - feedback, method inlining, and deoptimization are all used to remove dynamism - from ruby execution and increase performance.</p> - + <p><a href="http://github.com/evanphx/rubinius">Rubinius</a> is an environment + for running Ruby code which strives to write as much of the implementation in + Ruby as possible. Combined with a bytecode interpreting VM, it uses LLVM to + optimize and compile ruby code down to machine code. Techniques such as type + feedback, method inlining, and deoptimization are all used to remove dynamism + from ruby execution and increase performance.</p> </div> +--> <!--=========================================================================--> +<!-- <h3> <a name="FAUST">FAUST Real-Time Audio Signal Processing Language</a> </h3> <div> - -<p><a href="http://faust.grame.fr">FAUST</a> is a compiled language for - real-time audio signal processing. The name FAUST stands for Functional AUdio - STream. Its programming model combines two approaches: functional programming - and block diagram composition. In addition with the C, C++, JAVA output - formats, the Faust compiler can now generate LLVM bitcode, and works with - LLVM 2.7-3.0.</p> +<p> +<a href="http://faust.grame.fr">FAUST</a> is a compiled language for real-time +audio signal processing. The name FAUST stands for Functional AUdio STream. Its +programming model combines two approaches: functional programming and block +diagram composition. In addition with the C, C++, JAVA output formats, the +Faust compiler can now generate LLVM bitcode, and works with LLVM 2.7-3.0.</p> </div> +--> </div> @@ -698,6 +939,9 @@ Builder.CreateResume(UnwindData); <a name="OtherTS">Other Target Specific Improvements</a> </h3> +<p>PPC32/ELF va_arg was implemented.</p> +<p>PPC32 initial support for .o file writing was implemented.</p> + <div> <ul> @@ -946,8 +1190,7 @@ Builder.CreateResume(UnwindData); <div> <ul> - <li>The Linux PPC32/ABI support needs testing for the interpreter and static - compilation, and lacks support for debug information.</li> + <li>The PPC32/ELF support lacks PIC support.</li> </ul> </div> |