Function DeleteArrayIfUnusedOutsideOfOp

tensorflow/lite/toco/tooling_util.cc:168–187

}

bool DeleteArrayIfUnusedOutsideOfOp(const string& array_name,
                                    const Operator* op, Model* model) {
  if (!IsDiscardableArray(*model, array_name)) {
    return false;
  }
  if (CountOpsWithInput(*model, array_name) > 1) {
    return false;
  }
  const Operator* op_having_this_as_input = GetOpWithInput(*model, array_name);
  if (op_having_this_as_input && op_having_this_as_input != op) {
    return false;
  }
  const Operator* op_having_this_as_output =
      GetOpWithOutput(*model, array_name);
  if (op_having_this_as_output && op_having_this_as_output != op) {
    return false;
  }
  model->EraseArray(array_name);
  return true;
}

void DeleteOpAndArrays(Model* model, const Operator* op) {
  for (const string& array_name : op->inputs) {