[llvm-dev] Flang - How to collaborate best (original) (raw)

Das, Dibyendu via llvm-dev llvm-dev at lists.llvm.org
Mon Aug 21 21:49:05 PDT 2017

Thanks Tobias for bringing this up. We have experimented a bit with flang in-house and it looks pretty good. Maybe a separate mailing list for flang would be a good starting point ?

-Thx Dibyendu

-----Original Message----- From: llvm-dev [mailto:llvm-dev-bounces at lists.llvm.org] On Behalf Of Tobias Grosser via llvm-dev Sent: Monday, August 21, 2017 4:29 PM To: Douglas.miles at pgroup.com; Steve Scalpone (PGI) <steve.scalpone at pgroup.com> Cc: llvm-dev <llvm-dev at lists.llvm.org> Subject: [llvm-dev] Flang - How to collaborate best

Hi Douglas, hi Steve,

as you are certainly aware, there is an open-source FORTRAN compiler available on github:

https://github.com/flang-compiler/flang

which to my pleasure is very actively developed. Congratulations to this!

I am not sure if I missed it, but was there ever an official announcement of flang? I recall other people asking for this earlier, but I likely missed out on it. If not, do you have plans to send out such an announcement?

I just recently started to look into flang and wondered where to best discuss questions about the flang design? Should these be on github, llvm-dev, both?

I bring this up today, as I recently wanted to extend flang's LLVM IR generation to include some more metadata and was surprised to see that you print textual LLVM-IR without linking to any of the LLVM libraries. Is there a specific reason you avoid the use of LLVM libraries for LLVM-IR code generation. Not using the LLVM libraries seems to me a lot more difficult or is at least something I am not very used to?

I am also interested to see the flang and LLVM communities to collaborate more. Are there any plans on the flang side to move e.g. to C++ and possibly start using more of the LLVM support libraries in case it makes sense?

I would be very interested in your feedback.

Best, Tobias

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