LLVM Project News and Details from the Trenches

Monday, August 18, 2014

LLVM Weekly - #33, Aug 18th 2014

Welcome to the thirty-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.

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News and articles from around the web

Binaries for LLVM/Clang 3.5RC2 are now available for testing. Try it on your codebases, and be sure to report any regressions.

LDC 0.14.0 has been released. LDC is an LLVM-based compiler for the D programming language. There's a mixture of new features and bug fixes, see the release notes for full details of what's changed.

Viva64, who sell the PVS-Studio static analyzer has written up their experiences of using the Clang static analyzer on the PVS-Studio codebase. It managed to find 12 issues which the blog author considers genuine bugs.

On the mailing lists

LLVM commits

  • FastISel for AArch64 will now make use of the zero register when possible and supports more addressing modes. r215591, r215597.

  • MIPS gained support for the .end, .end, .frame, .mask, and .fmask assembler directives. r215359.

  • ARM gained the MRS/MSR system instructions. r215700.

Clang commits

  • Documentation has been added describing how the Language options in .clang-format files works. r215443.

  • Prefetch intrinsics were added for ARM and AArch64. r215568, r215569.

  • The logic for the -include command line parameter is now properly implemented. r215433.

Other project commits

  • LLD now has initial support for ELF/AArch64. r215544.

  • UndefinedBehaviourSanitizer gained a returns-nonnull sanitizer. This verifies that functions annotated with returns_nonnull do return nonnull pointers. r215485.

  • A number of lldb tests now compile on Windows. r215562.

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