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LLVM 2.8 Released With Feature-Complete Clang C++

Compiler

Published on 06 October 2010 05:39 AM EDT
Written by Michael Larabel in Compiler
26 Comments

Chris Lattner has just announced the release of version 2.8 of LLVM, the Low-Level Virtual Machine. LLVM 2.8 is only being released about six months after the release of LLVM 2.7, but it boasts many notable changes, including the Clang compiler offering feature-complete C++ support against the ISO C++ 1998 and 2003 standards.

Besides LLVM 2.8's Clang C++ support now being feature-complete (Clang's C support was made feature-complete a few releases back), Clang also has support for Objective-C, introduces a libclang library, adds support for new architectures (SSE, ARM NEON, and Altivec), and has improved generated code quality, among other new work.

Besides the Clang improvements, there are a few enhancements to be found with DragonEgg (LLVM-GCC for GCC 4.5), VMKit, Compiler-RT, LLDB (the Low-Level Debugger), and the KLEE Symbolic Execution Virtual Machine. A few months back we reported on LLVM coming up with libc++ as a replacement to libstdc++ and with LLVM 2.8 this library is near feature complete, but still needs more love with Clang++. LLVM 2.8 also has now a drop-in system assembler, an ARM disassembler, ARM code-generation improvements, and better support for debugging optimized code.

The release notes for version 2.8 of the Low-Level Virtual Machine can be found at LLVM.org along with the in-depth release announcement. We already have benchmark results of LLVM 2.7 vs. LLVM 2.8 when being used by Gallium3D's LLVMpipe in the queue for publishing and now on our TODO list are C/C++ performance benchmarks for LLVM 2.7 vs. LLVM 2.8 vs. GCC.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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