LLVM Weekly - #535, April 1st 2024

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LLVM Weekly - #535, April 1st 2024

If you prefer, you can read the canonical version of this issue at http://llvmweekly.org/issue/535.

Welcome to the five hundred and thirty-fifth 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, @llvmweekly or @asbradbury on Twitter, or @llvmweekly@fosstodon.org or @asb@fosstodon.org.

News and articles from around the web and events

A fork of Clang that implements the P2996 C++ reflection specification is available, by Dan Katz and others at Bloomberg, amongst other contributors. See the previous link for information on the implementation choices and the /r/cpp discussion.

Bartosz Taudul blogged about pretty printing Arm Neon registers in LLDB.

According to the LLVM calendar in the coming week there will be the following:

  • Office hours with the following hosts: Anastasia Stulova, Quentin Colombet, Johannes Doerfert.
  • Online sync-ups on the following topics: Flang, MLIR C/C++ frontend, MemorySSA, new contributors, LLVM/offload, classic flang, loop optimisations, OpenMP in Flang, MLIR open meeting, PowerPC, HLSL.
  • For more details see the LLVM calendar, getting involved documentation on online sync ups and office hours.

On the forums

LLVM commits

  • An alternative translation of -wasm-enable-sjlj was implemented. 6420f37.

  • TableGen’s implementation was restructured into a “Basic” and “Common” library. fa3d789.

  • The SPIRVUsage documentation was expanded. f5e1cd5.

  • The RISCVMakeCompressible pass learned to handle byte/half load/store for the Zcb extension. 22bfc58.

  • The va_list related intrinsics were made generic, meaning arguments don’t have to be address space 0 pointers. ab7dba2.

  • The language reference was expanded to better clarify some metadata semantics. eee8c61.

  • The nuw and nsw nowrap flags can now be used for trunc. 7d3924c.

Clang commits

  • The optin.performance.Padding checker from the Clang static analyzer was documented. b8cc838.

  • Flexible arrays in unions or alone in structs are now allowed. 14ba782.

  • The -Wformat-signedness warning is now supported. ea92b1f.

Other project commits

  • Support for REDUCE() was implemented in Flang’s runtime. 3ada883.

  • The C23 fmaximum and fminimum functions were implemented in LLVM’s libc. 3e3f0c3.

  • Guidelines for adding [[nodiscard]] to the libcxx implementation was documented. 2684a09.

  • BufferOriginAnalysis was added to MLIR. dbfc38e.

1 Like
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This link appears to be wrong. I believe this is what you were referring too:

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Thank you, now fixed.