| /* 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_LIFT_VARIABLES_PASS_H_ |
| #define TENSORFLOW_COMPILER_MLIR_TENSORFLOW_TRANSFORMS_LIFT_VARIABLES_PASS_H_ |
| |
| #include "mlir/IR/Module.h" // from @llvm-project |
| #include "mlir/Pass/Pass.h" // from @llvm-project |
| #include "mlir/Pass/PassManager.h" // from @llvm-project |
| #include "mlir/Support/LogicalResult.h" // from @llvm-project |
| #include "tensorflow/compiler/mlir/tensorflow/transforms/lift_variables.h" |
| #include "tensorflow/core/public/session.h" |
| |
| namespace mlir { |
| namespace tf_saved_model { |
| |
| // This pass takes care of finding all variables from the function arguments and |
| // converting them to the corresponding global tensors, that will be located out |
| // of function. Also it converts resource arguments from function types to the |
| // corresponding saved model arguments accordingly. |
| class LiftVariablesPass |
| : public PassWrapper<LiftVariablesPass, OperationPass<ModuleOp>> { |
| public: |
| explicit LiftVariablesPass(::tensorflow::Session* session) |
| : session_(session) {} |
| |
| void runOnOperation() override { |
| ModuleOp module = getOperation(); |
| if (failed(LiftVariables(module, session_))) signalPassFailure(); |
| } |
| |
| private: |
| ::tensorflow::Session* session_; |
| }; |
| |
| } // namespace tf_saved_model |
| } // namespace mlir |
| |
| #endif // TENSORFLOW_COMPILER_MLIR_TENSORFLOW_TRANSFORMS_LIFT_VARIABLES_PASS_H_ |