def _get_metadata_map(self, metadata):
        """Gets the map of DI label to md, e.g.
        '!33' -> '!{!"branch_weights", i32 1, i32 99}'
        """
        metadata_definition_map = dict()
        meta_definition_split = re.compile(r'(![0-9]+) = (.*)')
        for line in metadata:
            matched = meta_definition_split.match(line)
            if matched:
                dbg_val, info = matched.groups()
                metadata_definition_map[dbg_val] = info
        return metadata_definition_map
Gets the map of DI label to md, e.g.
        '!33' -> '!{!"branch_weights", i32 1, i32 99}'
        
numba/tests/test_debuginfo.py