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diff --git a/tensorflow/core/grappler/optimizers/data/vectorization/wrapped_tensor.h b/tensorflow/core/grappler/optimizers/data/vectorization/wrapped_tensor.h
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+/* Copyright 2018 The TensorFlow Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+#ifndef TENSORFLOW_CORE_GRAPPLER_OPTIMIZERS_DATA_VECTORIZATION_WRAPPED_TENSOR_H_
+#define TENSORFLOW_CORE_GRAPPLER_OPTIMIZERS_DATA_VECTORIZATION_WRAPPED_TENSOR_H_
+
+#include "tensorflow/core/graph/graph.h"
+
+namespace tensorflow {
+namespace grappler {
+
+// Represents a tensor that has been vectorized.
+struct WrappedTensor {
+  Node* const node;
+  const int output_index;
+
+  // Whether the tensor is stacked, i.e. represents the results of applying
+  // the operation on all slices of the input, where each row i of the
+  // tensor corresponds to the op's output on slice i of the input. False
+  // if the tensor is not stacked, i.e. represents the result of the op on
+  // a single slice of the input, where the result does not vary between
+  // slices.
+  bool stacked;
+
+  WrappedTensor(Node* node, int output_index, bool stacked)
+      : node(node), output_index(output_index), stacked(stacked) {}
+};
+
+}  // namespace grappler
+}  // namespace tensorflow
+
+#endif  // TENSORFLOW_CORE_GRAPPLER_OPTIMIZERS_DATA_VECTORIZATION_WRAPPED_TENSOR_H_