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_MLIR_TENSORFLOW_TRANSLATE_EXPORT_GRAPHDEF_H_ 17 #define TENSORFLOW_COMPILER_MLIR_TENSORFLOW_TRANSLATE_EXPORT_GRAPHDEF_H_ 18 19 #include "absl/container/flat_hash_set.h" 20 #include "llvm/ADT/StringRef.h" 21 #include "mlir/Dialect/Func/IR/FuncOps.h" // from @llvm-project 22 #include "mlir/IR/BuiltinOps.h" // from @llvm-project 23 #include "mlir/IR/MLIRContext.h" // from @llvm-project 24 #include "mlir/IR/Operation.h" // from @llvm-project 25 #include "tensorflow/compiler/mlir/tensorflow/translate/mlir_roundtrip_flags.h" 26 #include "tensorflow/core/framework/function.h" 27 #include "tensorflow/core/framework/graph.pb.h" 28 #include "tensorflow/core/framework/node_def.pb.h" 29 #include "tensorflow/core/graph/graph.h" 30 #include "tensorflow/stream_executor/lib/statusor.h" 31 32 namespace tensorflow { 33 // Given an MLIR module, returns a GraphDef. 34 stream_executor::port::StatusOr<std::unique_ptr<GraphDef>> 35 ConvertMlirToGraphdef(mlir::ModuleOp module, const GraphExportConfig& configs); 36 37 // Converts an MLIR module to TensorFlow graph and FunctionLibraryDefinition. 38 // The "main" function of the module is stored in the graph and the rest of 39 // functions are stored in the library. Control ret nodes are stored separately 40 // in `control_ret_nodes`. 41 Status ConvertMlirToGraph(mlir::ModuleOp module, 42 const GraphExportConfig& configs, 43 std::unique_ptr<Graph>* graph, 44 FunctionLibraryDefinition* flib_def, 45 absl::flat_hash_set<Node*>* control_ret_nodes); 46 47 // Converts an MLIR module to TensorFlow graph and FunctionLibraryDefinition. 48 // The "main" function of the module is stored in the graph and the rest of 49 // functions are stored in the library. 50 Status ConvertMlirToGraph(mlir::ModuleOp module, 51 const GraphExportConfig& configs, 52 std::unique_ptr<Graph>* graph, 53 FunctionLibraryDefinition* flib_def); 54 55 // Converts an MLIR function and adds it to a FunctionLibraryDefinition. 56 Status ConvertMlirFunctionToFunctionLibraryDef(mlir::func::FuncOp func, 57 const GraphExportConfig& configs, 58 FunctionDef* function_def); 59 } // namespace tensorflow 60 61 #endif // TENSORFLOW_COMPILER_MLIR_TENSORFLOW_TRANSLATE_EXPORT_GRAPHDEF_H_ 62