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2020 European LLVM Developers' Meeting - Paris, France


The LLVM Developers' Meeting is a bi-annual 2 day gathering of the entire LLVM Project community. The conference is organized by the LLVM Foundation and many volunteers within the LLVM community. Developers and users of LLVM, Clang, and related subprojects will enjoy attending interesting talks, impromptu discussions, and networking with the many members of our community. Whether you are a new to the LLVM project or a long time member, there is something for each attendee.

What can you can expect at an LLVM Developers' Meeting?

Technical Talks
These 30 minutes talks cover all topics from core infrastructure talks, to project's using LLVM's infrastructure. Attendees will take away technical information that could be pertinent to their project or general interest.
Tutorials are 50-60 minute sessions that dive down deep into a technical topic. Expect in depth examples and explanations.
Lightning Talks
These are fast 5 minute talks that give you a taste of a project or topic. Attendees will hear a wide range of topics and probably leave wanting to learn more.
Panel sessions are guided discussions about a specific topic. The panel consists of ˜3 developers who discuss a topic through prepared questions from a moderator. The audience is also given the opportunity to ask questions of the panel.
Student Research Competition
Students present their research using LLVM or related subproject. These are usually 20 minute technical presentations with Q&A. The audience will vote at the end for the winning presentation and paper.
Poster Session
An hour long session where selected posters are on display, with the presenters available for learning more on each poster.
Round Table Discussions
Informal and impromptu discussions on a specific topic. During the conference there are set time slots where groups can organize to discuss a problem or topic.
Evening Reception
After a full day if technical talks and discussions, join your fellow attendees for an evening reception to continue the conversation and meet even more attendees.

What types of people attend?

  • Active developers of projects in the LLVM Umbrella (LLVM core, Clang, LLDB, libc++, compiler_rt, klee, lld, etc).
  • Anyone interested in using these as part of another project.
  • Students and Researchers
  • Compiler, programming language, and runtime enthusiasts.
  • Those interested in using compiler and toolchain technology in novel and interesting ways.

The LLVM Developers' Meetings strive to be the best conference to meet other LLVM developers and users.

For future announcements or questions: Please sign up for the LLVM Developers' Meeting list.

Important Dates

  • November 22, 2019 - Call for Presentations
  • December 13, 2019 - Registration opening
  • January 11, 2020 - Presentation Proposal Deadline
  • January 10, 2020 - Travel Grant Applications Open
  • January 24, 2020 - Presentation Acceptance Notification
  • January 26, 2020 - Travel Grant Application Deadline
  • February 7, 2020 - Travel Grant Notification
  • February 28, 2020 - Late Registration Starts
  • March 27, 2020 - Registration Closes
  • April 6-7, 2020 - LLVM Developers' Meeting
Call for Presentations

All developers and users of LLVM and related sub-projects are invited to present and discuss at the EuroLLVM'20 developers’ meeting.

We are looking for the following proposals:

  • Technical Talks (25 minutes + 5 minutes Q&A):
    • On any llvm project such as the core libraries, clang, mlir, flang, etc.
    • On uses of LLVM in academia or industry
    • On new projects using Clang or LLVM
    • On any other LLVM-related topic of interest to participants.
  • Tutorials (60 minutes): in depth talks focussed on helping less experienced people get up to speed on an aspect of the LLVM project, with in depth examples and explanations.
  • Student Research Competition Technical Talks & Poster (25 minutes + 5 minutes Q&A): The SRC offers students doing LLVM related research a non-academic platform to announce and advertise their work as well as to discuss it with other researchers, developers and users of LLVM. Students are strongly encouraged to present a poster as well, as this will enable wider discussions with the audience. An embargo period to delay the publication of the abstract/talk/poster is possible. There will be a prize for the best SRC entry.
  • Lightning Talks (5 minutes, no questions, no discussions)
  • Panels / round tables (30-60 minutes) / Birds of a Feather (BoF) (30 minutes):

    These are all discussion formats. The best format is probably mostly dependent on the number of expected participants. For small group highly-engaged discussion, round tables are expected to work best. Round table topics can be proposed closer to the EuroLLVM meeting.

    For discussions that are expected to attract larger groups, either a BoF or Panel format is expected to work better. A BoF session is run in a presentation-like setup, and therefore is expected to have somewhat less free-flowing discussion than a round table.

    We encourage proposals for a panel format where several experts (and a moderator) on a topic get together and have an open discussion in front of an audience with prepared questions and also questions from the audience. The program committee will be looking for panel proposals and giving favor to them over more traditional BoF proposals.

  • Posters (1 hour)

Submission Requirements:

The submission deadline is January 11, 2020 at 11:59PM AoE (Anywhere on Earth).

Please submit your proposal to the EuroLLVM'20 submission site.

For each proposal, please submit a title, short abstract, submission type, abstract for the website, and include who the speakers or panel member/moderators are. If you wish, you can provide a more detailed description of the talk through an extended PDF abstract. We highly recommend you consult and follow the FAQ and the guide when submitting your proposal.


Registration is not open yet.

Travel Grants for Students

The LLVM Foundation sponsors student travel to attend the LLVM Developers' Meeting. Travel grants cover some or all of travel related expenses. This program is open to full time undergraduate and graduate students.

A form to apply for a travel grant will be made available later here.


For travel booking purpose, you should consider the actual conference will start on Monday April 6th, around 9:00AM and will last until Tuesday April 7th, 2020 around 06:00PM. There will be a social event on Monday evening, and we will have a "Diversity & inclusion in Compilers & Tools" event on Sunday April 5th afternoon or evening.

Code of Conduct

The LLVM Foundation is dedicated to providing an inclusive and safe experience for everyone. We do not tolerate harassment of participants in any form. By registering for this event, we expect you to have read and agree to the LLVM Code of Conduct.


To contact the organizer, email Arnaud de Grandmaison

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Thank you to our sponsors!