| /* Copyright 2020 The TensorFlow Authors. All Rights Reserved. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==============================================================================*/ |
| |
| #ifndef TENSORFLOW_COMPILER_MLIR_TENSORFLOW_TRANSFORMS_TF_SAVED_MODEL_PASSES_H_ |
| #define TENSORFLOW_COMPILER_MLIR_TENSORFLOW_TRANSFORMS_TF_SAVED_MODEL_PASSES_H_ |
| |
| #include <memory> |
| |
| #include "mlir/Dialect/Func/IR/FuncOps.h" // from @llvm-project |
| #include "mlir/IR/BuiltinOps.h" // from @llvm-project |
| #include "mlir/Pass/Pass.h" // from @llvm-project |
| #include "tensorflow/core/public/session.h" |
| |
| namespace mlir { |
| namespace tf_saved_model { |
| |
| // Creates a pass that optimizes tf_saved_model.global_tensor ops. |
| std::unique_ptr<OperationPass<ModuleOp>> CreateOptimizeGlobalTensorsPass(); |
| |
| // Creates a pass that freezes tf_saved_model.global_tensor ops. |
| std::unique_ptr<OperationPass<ModuleOp>> CreateFreezeGlobalTensorsPass( |
| bool allow_mutable_tensors = false); |
| |
| // Creates a pass that freezes tf_saved_model.asset ops. |
| std::unique_ptr<OperationPass<ModuleOp>> CreateFreezeAssetsPass( |
| std::string saved_model_dir = ""); |
| |
| // Creates as pass that removes variables in the session initializer. |
| // This job is required with lifting variable passes. Originally, the session |
| // initializer function does assigning variables. However, the read-only |
| // variable assignments will be done via lifting variables pass by converting |
| // the read-only variables to constant ops, instead. This pass removes the |
| // redundant operations. This pass should be located in front of the pass for |
| // lifting read-only variables. |
| std::unique_ptr<OperationPass<ModuleOp>> |
| CreateRemoveVariablesInSessionInitializerPass(); |
| |
| // Creates a pass that removes duplicate 'tf_saved_model.bound_input' bindings. |
| std::unique_ptr<OperationPass<func::FuncOp>> CreateDedupBoundInputBindingPass(); |
| |
| #define GEN_PASS_REGISTRATION |
| #include "tensorflow/compiler/mlir/tensorflow/transforms/tf_savedmodel_passes.h.inc" |
| |
| } // namespace tf_saved_model |
| |
| } // namespace mlir |
| |
| #endif // TENSORFLOW_COMPILER_MLIR_TENSORFLOW_TRANSFORMS_TF_SAVED_MODEL_PASSES_H_ |