1/* Copyright 2018 The TensorFlow Authors. All Rights Reserved.
2
3Licensed under the Apache License, Version 2.0 (the "License");
4you may not use this file except in compliance with the License.
5You may obtain a copy of the License at
6
7 http://www.apache.org/licenses/LICENSE-2.0
8
9Unless required by applicable law or agreed to in writing, software
10distributed under the License is distributed on an "AS IS" BASIS,
11WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12See the License for the specific language governing permissions and
13limitations under the License.
14==============================================================================*/
15
16#ifndef TENSORFLOW_CORE_COMMON_RUNTIME_LOWER_WHILE_OP_H_
17#define TENSORFLOW_CORE_COMMON_RUNTIME_LOWER_WHILE_OP_H_
18
19#include "tensorflow/core/lib/core/status.h"
20
21namespace tensorflow {
22
23class Graph;
24class Node;
25class FunctionLibraryDefinition;
26
27// Replaces While node `n` with its lowered form that uses Enter, Exit, Switch,
28// Merge, NextIteration and LoopCond nodes.
29Status RewriteWhileNode(Node* n, Graph* g,
30 const FunctionLibraryDefinition* flib_def,
31 bool keep_node_fetchable);
32
33} // namespace tensorflow
34
35#endif // TENSORFLOW_CORE_COMMON_RUNTIME_LOWER_WHILE_OP_H_
36