}
}

// Finds ops in the paths from arguments to results. The ops is listed in an
// order that the former ops shouldn't have any dependencies on the later ones.
SmallVector<Operation*> FindOpsFromArgumentsToResults(
    const ArrayRef<Value> arguments, const ArrayRef<Value> results) {
  std::queue<Value> value_queue;
  for (Value result : results) {
    value_queue.push(result);
  }