1 /* Copyright 2019 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_SCATTER_EXPANDER_H_ 17 #define TENSORFLOW_COMPILER_XLA_SERVICE_GPU_GPU_SCATTER_EXPANDER_H_ 18 19 #include "tensorflow/compiler/xla/service/scatter_expander.h" 20 21 namespace xla { 22 23 // Legalizes scatters on the GPU. 24 class GpuScatterExpander : public ScatterExpander { 25 public: 26 // Although we pass kEliminateAllScatters, we override this behavior in 27 // InstruuctionMatchesPattern and select only some scatters to expand. GpuScatterExpander()28 GpuScatterExpander() : ScatterExpander(kEliminateAllScatters) {} 29 name()30 absl::string_view name() const override { return "gpu_scatter_expander"; } 31 32 protected: 33 bool InstructionMatchesPattern(HloInstruction* inst) override; 34 }; 35 36 } // namespace xla 37 38 #endif // TENSORFLOW_COMPILER_XLA_SERVICE_GPU_GPU_SCATTER_EXPANDER_H_ 39