LLVM Weekly - #283, June 3rd 2019

Welcome to the two hundred and eighty-third 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

I didn't spot anything in particular. If you think I missed something, feel free to drop me tips for next week.

On the mailing lists

LLVM commits

It's been in discussion for a long time, but a scalable vector IR type has now been added! r361953.

A (for now) optional type was added to byval function parameters in order to prepare the way for opaque pointer types. r362128.

The ARM fp-only-sp and d16 options were replaced with fp64 and d32. Each subtargetfeature for an FP architecture now comes with different variants for combinations of these options.r361845.

New ISD::LRINT and ISD::LLRINT SelectionDAG nodes were added along with new intrinsics. r361875.

An llvm-lipo tool was started, aiming to be a drop-in replacement for the lipo tool for manipulating universal binaries. r361896.

MC layer support for more AArch64 SVE2 instructions is being added. r361933, and many more.

MC layer support for the new x86 'ENQCMD' instructions was added. r362053.

The AsmMatcher now allows repeated input operands if there's a custom converter. r362066.

Clang commits

SSE intrinsics have been ported to PowerPC using Altivec. r362190.

clangd gained support for outputting a "structured response for Hover", which can be rendered by the client as it needs. r361803.

Other project commits