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diff --git a/tensorflow/compiler/tf2xla/lib/broadcast.h b/tensorflow/compiler/tf2xla/lib/broadcast.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_COMPILER_TF2XLA_LIB_BROADCAST_H_
+#define TENSORFLOW_COMPILER_TF2XLA_LIB_BROADCAST_H_
+
+#include "absl/types/span.h"
+#include "tensorflow/compiler/xla/client/xla_builder.h"
+#include "tensorflow/compiler/xla/statusor.h"
+
+namespace tensorflow {
+
+// Broadcasts 'input' up to shape 'output_dims', using TensorFlow broadcasting
+// rules. Supports broadcasting a dimension of size x to size x*y, i.e., tiling.
+xla::StatusOr<xla::XlaOp> BroadcastTo(xla::XlaOp input,
+                                      absl::Span<int64 const> output_dims);
+
+}  // namespace tensorflow
+
+#endif  // TENSORFLOW_COMPILER_TF2XLA_LIB_BROADCAST_H_