1/* Copyright 2021 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==============================================================================*/
15include "mlir/IR/OpBase.td"
16include "mlir/IR/PatternBase.td"
17include "tensorflow/compiler/mlir/tensorflow/ir/tf_ops.td"
18
19// Note that this may not be a valid transformation for general tensorflow
20// program, but from the perspective of mlir-reduce, it's worth to give it a try
21// because the validity will be checked separately by the tester.
22def : Pat<(TF_IdentityOp (TF_IdentityOp $arg)), (TF_IdentityOp $arg)>;
23