[cfe-dev] A New Flang - Interactive Code Review and Design Discussion

Hal Finkel via cfe-dev cfe-dev at lists.llvm.org
Fri Jun 15 04:46:45 PDT 2018

Hi again,

Based on the previous poll, we'll hold the webinar either on June 25,
July 2, July 9, or July 11.

Please fill out the following poll so that we can pick an exact time for
the webinar (as soon as you can):




On 05/30/2018 12:37 PM, Hal Finkel wrote:
> Hi everyone!
> The team developing Flang (https://github.com/flang-compiler/flang), an
> LLVM frontend for Fortran, has been working diligently at improving the
> existing code base, adding new features, etc. However, while this is
> delivering a production-quality frontend, it is clear that the
> incremental evolution of the existing C code base likely won't get us to
> a "Clang for Fortran" for several reasons. What we want is a frontend
> for Fortran that, like Clang, is suitable for both tooling and
> traditional compilation, written in modern C++ making use of LLVM
> support classes as appropriate, and otherwise takes advantage of the
> collective frontend-development experience of the LLVM community. To
> address this desire, as announced briefly at EuroLLVM, the NVIDIA team
> has started working on a ground-up rewrite of Flang, and would like to
> present their current progress to the community, explain how
> peculiarities of Fortran have influenced the current experimental
> design, and get feedback from the community early in the development
> process.
> As a result, we'd like to schedule a one-hour interactive webinar, where
> NVIDIA can present their current progress and get feedback from the
> community. To those of you who are contributors to any part of Clang,
> your participation is specifically requested. I'm going to try to
> schedule this in two parts, first by picking some candidate days, and
> then picking a time from that set of candidate days. If you're
> interested in joining, please fill out this Doodle poll:
> https://doodle.com/poll/mxvu5abtevs5zsv7
> It contains days from the weeks of June 25, July 2, and July 9. One week
> from today, on June 6th, I'll plan to make a new poll with times based
> on candidate days from this poll.
> A link to the repository with the new code will be sent out before the
> webinar. NVIDIA intends to record the meeting for the benefit of those
> not able to participate in person.
> Thanks again,
> Hal
> P.S. If you want to have a technical discussion about Flang itself,
> please use the flang-dev mailing list
> (http://lists.flang-compiler.org/mailman/listinfo), not this one. I'm
> posting here only to reach Clang contributors. The goal is to create a
> Fortran frontend that might eventually be accepted as a formal part of
> the LLVM project.

Hal Finkel
Lead, Compiler Technology and Programming Languages
Leadership Computing Facility
Argonne National Laboratory

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