╰─$ opt -polly-canonicalize -polyhedral-info -polly-check-parallel  -polly-invariant-load-hoisting __radiation_rg_MOD_coe_so.ll -polly-process-unprofitable  -analyze
Printing analysis 'Polly - Run canonicalization passes':
Printing analysis 'Polly - Interface to polyhedral analysis engine' for function '__radiation_rg_MOD_coe_so':
 6:	Loop is not parallel.