Function rustc_middle::mir::pretty::dump_file_basename

fn dump_file_basename<'tcx>(
    tcx: TyCtxt<'tcx>,
    pass_num: bool,
    pass_name: &str,
    disambiguator: &dyn Display,
    body: &Body<'tcx>
) -> String

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