Early bird registration for the 2025 US LLVM Developers’ Meeting on October 27-29 at the Santa Clara Marriott ends tomorrow, September 5!
Headline keynotes include:
ClangIR: Upstreaming an Incubator Project by Bruno Cardoso Lopes and Andy Kaylor.
The presenters will share their experience transitioning ClangIR from an incubator project to an upstream feature within the LLVM community. The talk will focus on the development process, the technical challenges encountered, and the lessons learned while integrating a new high-level IR into Clang. This provides a case study on managing significant changes and community collaboration in a large-scale open-source project like LLVM.
From proprietary to fully open-source: Arm Toolchain’s adoption of LLVM technology by Peter Smith.
Arm’s embedded toolchain has existed since the establishment of the company 35 years ago. For the first 20 years the toolchain was entirely proprietary. Over the last 15 years Arm has incrementally replaced the proprietary parts of the toolchain with LLVM technology, with the latest incarnation providing an option for a fully open-source LLVM based toolchain using LLVM libc. Throughout the process we have kept our toolchain in sync with the LLVM main branch. This presentation covers the toolchains adoption of LLVM technology, including: * Early experiments to bridge the EDG front-end used by the proprietary compiler with a LLVM backend. * Replacement of the compiler with a derivative of clang. * Testing the correctness of the combined toolchain. * Adoption of libc++ as the C++ library. * How our strategy of managing downstream changes evolved. * Replacement of all remaining proprietary tools with LLVM equivalents and removal of downstream patches. * Our plans for integrating LLVM libc. The intended audience includes those interested in: * Assembling a toolchain using a mixture of LLVM and proprietary technology. * Managing downstream changes across a full toolchain, including merging and testing. * Migrating customers through technology changes.
Included are two full days of talks, panels, roundtables, sponsor meet & greet time, lunches and snacks, and a full reception. There is also a workshop day featuring six workshops (and lunch!) and our Community.O + Newcomer Reception. Register here: Begin : 2025 LLVM Developers' Meeting