1 /* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
2 
3 Licensed under the Apache License, Version 2.0 (the "License");
4 you may not use this file except in compliance with the License.
5 You may obtain a copy of the License at
6 
7     http://www.apache.org/licenses/LICENSE-2.0
8 
9 Unless required by applicable law or agreed to in writing, software
10 distributed under the License is distributed on an "AS IS" BASIS,
11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 See the License for the specific language governing permissions and
13 limitations under the License.
14 ==============================================================================*/
15 
16 #ifndef TENSORFLOW_COMPILER_XLA_SERVICE_DEFUSER_H_
17 #define TENSORFLOW_COMPILER_XLA_SERVICE_DEFUSER_H_
18 
19 #include <utility>
20 
21 #include "tensorflow/compiler/xla/service/hlo_module.h"
22 #include "tensorflow/compiler/xla/service/hlo_pass_interface.h"
23 
24 namespace xla {
25 
26 // A pass which replaces all fusion instructions with the equivalent un-fused
27 // instructions.
28 class Defuser : public HloModulePass {
29  public:
Defuser()30   Defuser() {}
~Defuser()31   ~Defuser() override {}
name()32   absl::string_view name() const override { return "defuser"; }
33 
34   // Run defusion on the given module. Returns whether the module was
35   // changed.
36   StatusOr<bool> Run(HloModule* module) override;
37 };
38 
39 }  // namespace xla
40 
41 #endif  // TENSORFLOW_COMPILER_XLA_SERVICE_DEFUSER_H_
42