Things are coming together for Flang tooling

Day 1 | 12:00 | 00:20 | K.3.201 | Tim Heldmann, Peter Arzt

Note: I'm reworking this at the moment, some things won't work.

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At the Scientific Computing Institute at TU Darmstadt, we have experience with developing LLVM-based tools. In the past, however, we usually focused on C/C++ codes via the Clang compiler [1,2]. With the change to flang-new [3] as the default LLVM Fortran frontend, we were interested in developing tooling for Fortran codes. In this talk we want to take you through our journey towards flang‑new based Fortran tooling. After building ~legacy~ established Fortran codes [4,5] with flang-new we wrangled with OpenMPI, employed static analysis tools inside the compile pipeline, and measured performance with the Score‑P [6] profiling library.

We will conclude our talk by presenting first results and describing our first impressions working with the evolving flang-new infrastructure.

This talks is intended for people with an interest in Fortran applications, tooling, or a general curiosity in the possibilities given by the LLVM infrastructure.