op_with_dialect_count_[op_with_dialect_name]);
    }

    auto op_count_map = op_dtype_count_[op_with_dialect_name];
    if (!op_count_map.empty()) {
      std::string delim;
      *os_ << "  (";
      for (const auto &[dtype, cnt] : op_count_map) {
        *os_ << delim << absl::StrFormat("%s: %d", dtype, cnt);
        delim = ", ";
      }
      *os_ << ")";
    }