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diff --git a/tensorflow/python/autograph/utils/context_managers.py b/tensorflow/python/autograph/utils/context_managers.py
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+++ b/tensorflow/python/autograph/utils/context_managers.py
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+# Copyright 2017 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.
+# ==============================================================================
+"""Various context managers."""
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+import contextlib
+
+from tensorflow.python.framework import ops
+from tensorflow.python.ops import tensor_array_ops
+
+
+def control_dependency_on_returns(return_value):
+  """Create a TF control dependency on the return values of a function.
+
+  If the function had no return value, a no-op context is returned.
+
+  Args:
+    return_value: The return value to set as control dependency.
+
+  Returns:
+    A context manager.
+  """
+  def control_dependency_handle(t):
+    if isinstance(t, tensor_array_ops.TensorArray):
+      return t.flow
+    return t
+
+  if return_value is None:
+    return contextlib.contextmanager(lambda: (yield))()
+  # TODO(mdan): Filter to tensor objects.
+  if not isinstance(return_value, (list, tuple)):
+    return_value = (return_value,)
+  return_value = tuple(control_dependency_handle(t) for t in return_value)
+  return ops.control_dependencies(return_value)