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_CPU_CPU_HLO_SUPPORT_CHECKER_H_ 17 #define TENSORFLOW_COMPILER_XLA_SERVICE_CPU_CPU_HLO_SUPPORT_CHECKER_H_ 18 19 #include "tensorflow/compiler/xla/service/hlo_pass_interface.h" 20 21 namespace xla { 22 23 // This pass should run early in the HLO pipeline and checks for HLO constructs 24 // which are not supported by the CPU backend and cannot be removed via HLO 25 // transformations (eg, sparse layouts). 26 class CpuHloSupportChecker : public HloPassInterface { 27 public: 28 CpuHloSupportChecker() = default; 29 ~CpuHloSupportChecker() override = default; 30 31 tensorflow::StringPiece name() const override { 32 return "cpu_hlo_support_checker"; 33 } 34 35 // Note: always returns false (no instructions are ever modified by this 36 // pass). 37 StatusOr<bool> Run(HloModule* module) override; 38 }; 39 40 } // namespace xla 41 42 #endif // TENSORFLOW_COMPILER_XLA_SERVICE_CPU_CPU_HLO_SUPPORT_CHECKER_H_ 43