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The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.

319 mentions on Hacker News by 202 people: 30 stories, 289 comments · first 2019-03-20 · latest 2026-10-31

Mentions per year 319 mentions · busiest year 2025 (96)
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  1. …by CIRCT ( http://GitHub.com/llvm/circt ) which is built using MLIR (part of the LLVM project: https://GitHub.com/llvm/llvm-project )
    comment by georgelyon · 2023-03-26 · in Open-source high-performance RISC-V processor
  2. https://github.com/llvm/llvm-project/commits/main/llvm/lib/T... is a start ;) Not all of these have affiliations listed but I can tell you that contributors hail from SiFive, Rivos, Google, and various universities.
    comment by saagarjha · 2023-03-19 · in LLVM 16.0.0 Release
  3. Edit: More discussions: https://github.com/espressif/llvm-project/issues/4#issuecomm... Llvm is here: https://github.com/llvm/llvm-project/tree/release/16.x/llvm/... But I don’t know if there should be lld as well…
    comment by weitzj · 2023-03-19 · in LLVM 16.0.0 Release
  4. Xtensa support (esp32). Will be interesting how this will be for Rust and Zig support for esp32 https://github.com/llvm/llvm-project/tree/main/llvm/lib/Targ... https://www.phoronix.com/news/LLVM-Xtensa-Backend…
    comment by weitzj · 2023-03-18 · in LLVM 16.0.0 Release
  5. …ad lowering `-mllvm -funcspec-min-function-size=100`. [1] https://godbolt.org/z/jKo7K3jPd [2] https://github.com/llvm/llvm-project/blob/main/llvm/lib/Tran...
    comment by camel-cdr · 2023-03-18 · in LLVM 16.0.0 Release
  6. …up if the mangled name is >= 4096 characters, it just replaces the symbol with md5(mangled name): https://github.com/llvm/llvm-project/blob/d32f71a91a432db2d9...
    comment by cokernel_hacker · 2023-03-10 · in When Debug Symbols Get Large
  7. clang-tidy has an open issue to catch this. https://github.com/llvm/llvm-project/issues/56009
    comment by kps · 2023-03-03 · in Demystifying bitwise operations, a gentle C tutorial
  8. …algorithms mentioned in the article). If you're interested in this area, you can look at the code, https://github.com/llvm/llvm-project/blob/main/libc/src/__su... and patches are always welcome :-) Initial commit,…
    comment by dxf · 2023-02-11 · in Algorithms for converting binary to decimal floating-point numbers (2021)
  9. …[0]: https://github.com/cplusplus/draft [1]: https://en.cppreference.com/w/cpp/links [2]: https://github.com/llvm/llvm-project/blob/llvmorg-15.0.7/lib... [3]: https://github.com/llvm/llvm-project/blob/8dfdcc7b7bf66834a7... [4]:…
    comment by aw1621107 · 2023-02-08 · in Can sanitizers find the two bugs I wrote in C++?
  10. …I'm obviously very biased because I spent a loot of time with it). Here is the implementation: https://github.com/llvm/llvm-project/tree/main/clang-tools-e... I also wrote a... very long design document about how exactly this works, so if…
    comment by kirillbobyrev · 2023-02-06 · in The technology behind GitHub’s new code search
  11. I cloned git clone https://github.com/llvm/llvm-project When entering the directory my fancy prompt timed out [WARN] - (starship::utils): Executing command "git" timed out. But it seemed OKish after `git status` (disk cache?) time git…
    comment by nativecoinc · 2023-01-30 · in FYI: LLVM-project repo has exceeded GitHub upload size limit (2022)
  12. https://github.com/llvm/llvm-project/issues/37930 Here’s lattner telling some guy off. There’s none that I can think of that are super memeworthy or anything. It’s usually just insecure devs with a little Dunning Kruger cocktail in the…
    comment by adenozine · 2023-01-22 · in Official Warning: Zero3K
  13. Upstream support landed a couple of weeks ago: https://github.com/llvm/llvm-project/search?o=desc&p=1&q=Xte... Rust support landed before that, https://github.com/esp-rs This is all being done by Xtensa themselves, including the Rust.
    comment by steveklabnik · 2023-01-07 · in ESP32-P4: High-performance MCU with IO-connectivity and security features
  14. LLVM devs are apparently still working on adding proper i386 support https://github.com/llvm/llvm-project/issues/58470 but if that were to be addressed, we might even be able to use clang or rustc to build proper DPMI-based code for DOS.…
    comment by zozbot234 · 2022-12-24 · in DOS demo/game development template
  15. LLVM's implementation is here, more or less: https://github.com/llvm/llvm-project/blob/main/libc/src/stri...
    comment by loeg · 2022-12-20 · in Fast memcpy, a system design
  16. AVR should be working these days https://github.com/llvm/llvm-project/tree/main/llvm/lib/Targ... Unless you mean some specific chips?
    comment by viraptor · 2022-12-14 · in Rust front-end merged in GCC trunk
  17. …7%. I feel like it has a lot of potential because it does try to take run-time into account. See: https://github.com/llvm/llvm-project/tree/main/bolt
    comment by fwsgonzo · 2022-12-06 · in Optimizing compilers reload vector constants needlessly
  18. Yeah, I did a quick check in LLVM at some point to see what it does (query I relied on: https://github.com/llvm/llvm-project/search?q=getPredictable... ) and all the results seemed to be exclusively code motion or deciding how to lower a…
    comment by saagarjha · 2022-11-23 · in Building the fastest Lua interpreter automatically
  19. …a long time. Is that still possible now? [1]: https://github.com/apple-oss-distributions/xnu [2]: https://github.com/llvm/llvm-project [3]: https://github.com/apple-oss-distributions/llvmCore [4]: https://github.com/apple-oss-distributions/…
    comment by davidbalbert · 2022-10-27 · in Towards the next generation of XNU memory safety: kalloc_type
  20. …some differences with the public llvm/clang/swift trees and that wouldn't be possible with gpl. [1] https://github.com/llvm/llvm-project/blob/main/llvm/LICENSE.... [2] https://github.com/llvm/llvm-project/blob/7555c589af006c9c4d... [3]…
    comment by stormbrew · 2022-10-22 · in Linux M1 GPU driver passes 99% of the dEQP-GLES2 compliance tests
  21. …accelerated SHA-3, available on production systems since 2019 with the Apple A13, judging by https://github.com/llvm/llvm-project/blob/c35ed40f4f1bd8afd7... Power10 also supports accelerated SHA-3: https://www.redbooks.ibm.com/redpapers/pdf…
    comment by wahern · 2022-10-20 · in SHA-3 Buffer Overflow
  22. …implement than the paper makes out once you understand what is going on. It's <100 lines of code: https://github.com/llvm/llvm-project/blob/main/llvm/include/... (and this is the refactored version i made to support both forward and…
    comment by DannyBee · 2022-08-03 · in Efficiently Computing SSA Form and the Control Dependence Graph (1991) [pdf]
  23. I wonder whether this project is based on the work in our M68k backend: > https://github.com/llvm/llvm-project/tree/main/llvm/lib/Targ...
    comment by cbmuser · 2022-07-24 · in LLVM backend for m88k architecture
  24. Someone created a github issue for this: https://github.com/llvm/llvm-project/issues/56432
    comment by londons_explore · 2022-07-07 · in Google ML Compiler Inlining Achieves 3-7% Reduction in Size
  25. …LLVM with Bazel now. That might give you a good idea of how to do it. The Bazel support code is in https://github.com/llvm/llvm-project/tree/main/utils/bazel
    comment by eklitzke · 2022-06-23 · in Incremental Builds for Haskell with Bazel
  26. …checker is still there — it just turned 10 years old, and is under 100 lines without comments. https://github.com/llvm/llvm-project/blob/main/clang/lib/Sta...
    comment by rgovostes · 2022-06-22 · in Clang Static Analyzer and the Z3 constraint solver
  27. …M1 is "RISC-y" by that definition (instruction set ARMv8.5A)[1]. And it's doing well. [1] Line 256 https://github.com/llvm/llvm-project/blob/main/llvm/include/...
    comment by mastazi · 2022-06-07 · in Dhall: A Gateway Drug to Haskell
  28. …a very general glob because one may not know beforehand their exact tag name conventions. [1] https://github.com/llvm/llvm-project [2] https://github.com/llvm/llvm-project/tags
    comment by AceJohnny2 · 2022-05-23 · in Proper use of Git tags
  29. You should report it to their GitHub repro: https://github.com/llvm/llvm-project
    comment by hoten · 2022-05-05 · in Including “And. And. And. And. And.” in a Google doc causes it to crash
  30. …somewhere? Please do. You can open an issue (Bugzilla has been deprecated) on LLVM's github repo: https://github.com/llvm/llvm-project
    comment by mshockwave · 2022-05-05 · in Including “And. And. And. And. And.” in a Google doc causes it to crash
  31. …millions LOC. Imagine if 1/10 was contributed to static/dynamic analyzers for C/C++ instead. [0] https://github.com/llvm/llvm-project/tree/5da7c040030c4af72d...
    comment by Bancakes · 2022-05-04 · in Will Hare replace C? Or Rust? Or Zig? Or anything else?
  32. Here is what Clang uses: https://github.com/llvm/llvm-project/blob/589b9df4e15131348b... parens: () squares: [] braces: {} basically a mixed of British and American English
    comment by mshockwave · 2022-05-03 · in The $440M software error at Knight Capital (2019)
  33. …bug reports are opened and left to rot for years Yup. This is common for many project, like llvm: https://github.com/llvm/llvm-project/issues
    comment by 1over137 · 2022-04-17 · in FreeBSD Handbook Improvement Survey
  34. …annotation of ownership at struct level (hence the check only applies to new structs): An example: https://github.com/llvm/llvm-project/blob/main/clang/test/Se... More details can be found at https://herbsutter.com/2018/09/20/lifetime-profi…
    comment by htfy96 · 2022-04-02 · in Lifetime Annotations for C++
  35. …real improvement over C++14 and good enough for sum types in production C++. See struct visitors in https://github.com/llvm/llvm-project/blob/main/flang/include...
    comment by pklausler · 2022-03-30 · in Algebraic Data Types in Haskell
  36. Googler, opinions are my own. Btw, the Lanai target in LLVM can be found here: https://github.com/llvm/llvm-project/tree/main/llvm/lib/Targ... . Latest commit is only 24 days ago, so it looks to still be active. Though I'm not sure how…
    comment by kyrra · 2022-03-21 · in Lanai, the mystery CPU architecture in LLVM
  37. …way to handle the case insensitivity is by making use of a virtual file system (VFS) overlay. https://github.com/llvm/llvm-project/blob/4976d1fe58f89169ef... demonstrates how that works. (There's no linker equivalent that I'm aware of, so…
    comment by smeenai · 2022-02-28 · in Using Zig as cross-platform C toolchain
  38. …you’ll discover that automatic refactoring of extremely large code bases is within reach. https://github.com/llvm/llvm-project/tree/main/clang-tools-e... The only question is whether you would want to spend the staff hours working on a…
    comment by klodolph · 2022-02-25 · in Moving the Linux Kernel to Modern C
  39. …https://github.com/tensorflow/tensorflow/pull/51578 https://github.com/mono/mono/pull/21197 https://github.com/llvm/llvm-project/pull/335
    comment by ehsankia · 2022-01-07 · in 5% of 666 Python repos had comma typo bugs (inc V8, TensorFlow and PyTorch)
  40. …https://github.com/tensorflow/tensorflow/pull/51578 https://github.com/mono/mono/pull/21197 https://github.com/llvm/llvm-project/pull/335 https://github.com/PyCQA/baron/pull/156 https://github.com/dagwieers/pygments/pull/1…
    comment by ehsankia · 2022-01-07 · in 5% of 666 Python repos had comma typo bugs (inc V8, TensorFlow and PyTorch)
  41. …use Scudo, which is the allocator that lives in compiler-rt. Edited to include the link to Scudo: https://github.com/llvm/llvm-project/tree/main/compiler-rt/l...
    comment by dxf · 2021-12-08 · in A proposal to start “llvm-libc” (2020)
  42. …functions. Seems like they do get some nice wins from the C++ language, without needing (e.g.) STL: https://github.com/llvm/llvm-project/blob/main/libc/src/__su...
    comment by silverlyra · 2021-12-08 · in A proposal to start “llvm-libc” (2020)
  43. https://github.com/llvm/llvm-project/commits/main/libc shows there were commits recently.
    comment by Someone · 2021-12-07 · in A proposal to start “llvm-libc” (2020)
  44. It’s Apache licensed with LLVM exceptions ( https://github.com/llvm/llvm-project/blob/main/libc/LICENSE.... ) LibC++ is licensed that way, too ( https://github.com/llvm/llvm-project/blob/main/libcxx/LICENS... )
    comment by Someone · 2021-12-07 · in A proposal to start “llvm-libc” (2020)
  45. The license is here: < https://github.com/llvm/llvm-project/blob/main/libc/LICENSE.... >. It's Apache v2 with a compiler exception--i.e., the compiler linking bits of itself into you doesn't count for license purposes.
    comment by jcranmer · 2021-12-07 · in A proposal to start “llvm-libc” (2020)
  46. https://github.com/llvm/llvm-project/commits/main/llvm/docs/... Merged in 2019-08, and hasn't been edited since. As linked elsewhere in the thread, https://github.com/llvm/llvm-project/tree/main/libc indicates it's alive and well.
    comment by Arnavion · 2021-12-07 · in A proposal to start “llvm-libc” (2020)
  47. …match. Then the trailing `-component` is stripped, and `clang++` matches. It works by chance... See https://github.com/llvm/llvm-project/blob/c22b110612600b0d0a... and https://github.com/llvm/llvm-project/blob/c22b110612600b0d0a... TIL: if…
    comment by stabbles · 2021-12-05 · in Exodus – relocation of Linux binaries–and all of their deps–without containers
  48. …common case. I like the new LLVM memcpy that is just plain C++, and easy to read and understand. https://github.com/llvm/llvm-project/blob/main/libc/src/stri...
    comment by jeffbee · 2021-11-28 · in Optimising Memset and Memcpy
  49. …link into your executable. For example, all of the code in clang to do this is located in https://github.com/llvm/llvm-project/blob/main/clang/lib/Cod...
    comment by jcranmer · 2021-11-05 · in How to learn compilers: LLVM Edition
  50. A14 is described in LLVM: https://github.com/llvm/llvm-project/blob/9e4d72675f476386cf...
    comment by saagarjha · 2021-10-03 · in Google developing own CPUs for Chromebook laptops