LLVM Weekly - #66, Apr 6th 2015

Welcome to the sixty-sixth issue of LLVM Weekly, a weekly newsletter (published every Monday) covering developments in LLVM, Clang, and related projects. LLVM Weekly is brought to you by Alex Bradbury. Subscribe to future issues at https://llvmweekly.org and pass it on to anyone else you think may be interested. Please send any tips or feedback to asb@asbradbury.org, or @llvmweekly or @asbradbury on Twitter.

News and articles from around the web

color_coded, a vim plugin for syntax highlighting using libclang is now available.

Ravi, a dialect of Lua with JIT compilation via LLVM has has its first alpha release. The status of JIT compilation can be seen here.

On the mailing lists

• James Knight is asking for advice on supporting 64-bit load/store on a 32-bit arch. Respondents point to examples from ARM and R600.

• Eric Christopher has kicked off another discussion on LTO and codegen options.

• Katya Romanova proposes adding doxygen comments for intrinsics. The intention is that the current documentation would be converted in an automated way. So far, people seem to be in favour.

• Douglas Gregor is stepping down as code owner of 'all parts of Clang not covered by someone else'. Richard Smith will be taking over. Thank you Douglas for the years of hard work.

• Can you cross-compile LLVM's test suite?. The answer, is yes.

• Duncan P.N. Exon Smith proposes that preserve-bc-use-list-order be on by default.

LLVM commits

• API migration has started for GEP constant factories. For now, nullptr can be passed for the pointee type, but you'll need to pass the type explicitly to be future-proof. r233938.

• A proof of concept fuzzer based on DataFlowSanitizer has been added, as well as support for token-based fuzzing. r233613, r233745.

• DebugLoc's API has been rewritten. r233573.

• The SystemZ backend now supports transactional execution on the zEC12. r233803.

Clang commits

• Clang gained a toolchain driver for targeting NaCl. r233594.

• The size of various Stmt subclasses has been optimised on 64-bit targets. r233921.

• Codegen was added for the OpenMP atomic update construct. r233513.

Other project commits

• LLDB system initialization has been reworked. r233758.