tensorflow::GetAllowlistTable();
  MarkForCompilationPassFlags* flags = GetMarkForCompilationPassFlags();
  absl::flat_hash_set<string> allowlist;

  for (auto s : absl::StrSplit(flags->tf_xla_ops_to_cluster, ',')) {
    if (s == "FUSIBLE") {
      for (auto pair : *allowlist_table) {
        allowlist.insert(pair.second.begin(), pair.second.end());
      }
    } else if (allowlist_table->contains(s)) {