llvm::SmallSet<int, 4> resized_tensor_lists =
        GetResizedTensorListIndexes(op.else_function(), tensor_list_args);

    llvm::SmallVector<Type, 8> result_types;
    result_types.reserve(op.getNumResults());
    llvm::SmallVector<Type, 4> op_result_types;
    for (Type ty : op.getResultTypes()) {
      op_result_types.push_back(ty);
    }