Needs to have ftn xDSL dialect in PYTHONPATH
./psy-opt -p "ftn-ast-to-ftn-dag" output.xdsl
./psy-opt -p "ftn-ast-to-ftn-dag" output.xdsl -t fortran
./psy-opt -p "ftn-ast-to-ftn-dag,bind-procedures,apply-gpu-analysis" output.xdsl -t fortran-openacc
./psy-opt -p "ftn-ast-to-ftn-dag,bind-procedures,apply-pgas-analysis" output.xdsl -t fortran