Method _get_pred_succ

Tools/scripts/summarize_stats.py:220–236

(
        self,
    )

    @functools.cache
    def _get_pred_succ(
        self,
    ) -> tuple[dict[str, collections.Counter], dict[str, collections.Counter]]:
        pair_counts = self.get_pair_counts()

        predecessors: dict[str, collections.Counter] = collections.defaultdict(
            collections.Counter
        )
        successors: dict[str, collections.Counter] = collections.defaultdict(
            collections.Counter
        )
        for (first, second), count in pair_counts.items():
            if count:
                predecessors[second][first] = count
                successors[first][second] = count

        return predecessors, successors

    def get_predecessors(self, opcode: str) -> collections.Counter[str]:
        return self._get_pred_succ()[0][opcode]