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      1 /* Copyright 2018 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_IMPLICIT_BROADCAST_REMOVER_H_
     17 #define TENSORFLOW_COMPILER_XLA_SERVICE_IMPLICIT_BROADCAST_REMOVER_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 // Pass which replaces all implicit broadcasts with their equivalent sequence of
     27 // explicit broadcast and reshape instructions.
     28 class ImplicitBroadcastRemover : public HloPassInterface {
     29  public:
     30   ImplicitBroadcastRemover() {}
     31   ~ImplicitBroadcastRemover() override {}
     32 
     33   tensorflow::StringPiece name() const override {
     34     return "implicit-broadcast-remover";
     35   }
     36 
     37   StatusOr<bool> Run(HloModule* module) override;
     38 };
     39 
     40 }  // namespace xla
     41 
     42 #endif  // TENSORFLOW_COMPILER_XLA_SERVICE_IMPLICIT_BROADCAST_REMOVER_H_
     43