Function rustc_mir::util::pretty::dump_file_basename

pub(in util::pretty) fn dump_file_basename<'tcx>(
    tcx: TyCtxt<'_>, 
    pass_num: Option<&dyn Display>, 
    pass_name: &str, 
    disambiguator: &dyn Display, 
    source: MirSource<'tcx>
) -> String

Returns the file basename portion (without extension) of a filename path where we should dump a MIR representation output files.