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_JIT_BUILD_XLA_OPS_PASS_H_ 17 #define TENSORFLOW_COMPILER_JIT_BUILD_XLA_OPS_PASS_H_ 18 19 #include "absl/types/optional.h" 20 #include "tensorflow/core/common_runtime/optimization_registry.h" 21 #include "tensorflow/core/lib/core/status.h" 22 23 namespace tensorflow { 24 25 // Replaces TF function calls marked with `_XlaCompiledKernel` with _XlaCompile 26 // and _XlaRun nodes (which compile and launch, respectively, the corresponding 27 // HLO module). 28 class BuildXlaOpsPass : public GraphOptimizationPass { 29 public: 30 // If enable_lazy_compilation is not nullopt then *enable_lazy_compilation 31 // overrides --tf_xla_enable_lazy_compilation flag in deciding whether lazy 32 // compilation is enabled. 33 explicit BuildXlaOpsPass( 34 std::optional<bool> enable_lazy_compilation = std::nullopt) enable_lazy_compilation_(enable_lazy_compilation)35 : enable_lazy_compilation_(enable_lazy_compilation) {} 36 37 Status Run(const GraphOptimizationPassOptions& options) override; 38 39 private: 40 std::optional<bool> enable_lazy_compilation_; 41 }; 42 43 } // namespace tensorflow 44 45 #endif // TENSORFLOW_COMPILER_JIT_BUILD_XLA_OPS_PASS_H_ 46