LLVM Weekly - #241, August 13th 2018

Welcome to the two hundred and forty-first 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 http://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

The Julia programming language has reached version 1.0. Congratulations to all contributors.

The NetBSD blog provides an introduction to µUBSan, a clean-room reimplementation of the Undefined Behavior Sanitizer runtime

Saar Raz reports that his out-of-tree implementation of C++ concepts proposal in Clang is now feature complete.

Bekket McClane has written a tutorial on writing a simple 'hello world' LLVM pass using the new pass manager.

On the mailing lists

LLVM commits

The WebAssembly backend has a new stack-only instruction mode for its MC layer, which is used by default. r339474.

LLVM's Sphinx configuration now supports documentation written in Markdown. r338977.

The GuardWidening pass learned to widen guards with conditions of frequently taken dominated branches. r338988.

PhysRegSize was removed from MCRegisterClass. r339350.

The MCStatement tablegen class was introduced, which can currently support simple swith and return statements. r339352.

The coding standards and developer policy around whitespace was clarified. r339455.

Clang commits

Clang gained a new fixed point abstract type, similar to APInt in LLVM. r339028.

The getBeginLoc and getEndLoc APIs replace getLocStart, getStartLoc, and getLocEnd. r339372, r339374, r339385, r339386.

The GNUstep Objective-C ABI v2 now supports Windows. r339428.

Other project commits