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_HLO_SUBCOMPUTATION_UNIFICATION_H_ 17 #define TENSORFLOW_COMPILER_XLA_SERVICE_HLO_SUBCOMPUTATION_UNIFICATION_H_ 18 19 #include "tensorflow/compiler/xla/service/hlo_pass_interface.h" 20 21 namespace xla { 22 23 // Unify subcomputations of a `HloModule`: if any computations are equal, choose 24 // one arbitrarily to use and delete the others. 25 class HloSubcomputationUnification : public HloPassInterface { 26 public: 27 tensorflow::StringPiece name() const override { 28 return "subcomputation-unification"; 29 } 30 31 StatusOr<bool> Run(HloModule* module) override; 32 }; 33 34 } // namespace xla 35 36 #endif // TENSORFLOW_COMPILER_XLA_SERVICE_HLO_SUBCOMPUTATION_UNIFICATION_H_ 37
