Judging by the copyright notices in the files, this is probably the PGI-Fortran-on-LLVM compiler that was announced a year or two ago - https://www.llnl.gov/new

Judging by the copyright notices in the files, this is probably the PGI-Fortran-on-LLVM compiler that was announced a year or two ago - https://www.llnl.gov/news/nnsa-national-labs-team-nvidia-develop-open-source-fortran-compiler-technology https://www.llnl.gov/news/nnsa-national-labs-team-nvidia-dev... EDIT: Confirmed - https://developer.arm.com/-/media/developer/developers/hpc/files/ARM-HPC-UG-SC16-PGI.pdf https://developer.arm.com/-/media/developer/developers/hpc/f...