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_GPU_GPU_COPY_INSERTION_H_ 17 #define TENSORFLOW_COMPILER_XLA_SERVICE_GPU_GPU_COPY_INSERTION_H_ 18 19 #include "tensorflow/compiler/xla/service/hlo_dataflow_analysis.h" 20 #include "tensorflow/compiler/xla/service/hlo_module.h" 21 #include "tensorflow/compiler/xla/service/hlo_pass_interface.h" 22 23 namespace xla { 24 namespace gpu { 25 26 // Besides the modifications made by the generic xla::CopyInsertion, this 27 // GPU-specific copy insertion also materializes operands of library calls by 28 // inserting kCopy instructions. 29 class GpuCopyInsertion : public HloModulePass { 30 public: 31 explicit GpuCopyInsertion( 32 const HloDataflowAnalysis::CanShareBuffer& can_share_buffer = nullptr) can_share_buffer_(can_share_buffer)33 : can_share_buffer_(can_share_buffer) {} name()34 absl::string_view name() const override { return "copy-insertion"; } 35 36 StatusOr<bool> Run(HloModule* module) override; 37 38 private: 39 HloDataflowAnalysis::CanShareBuffer can_share_buffer_; 40 }; 41 42 } // namespace gpu 43 } // namespace xla 44 45 #endif // TENSORFLOW_COMPILER_XLA_SERVICE_GPU_GPU_COPY_INSERTION_H_ 46