1 /* Copyright 2021 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 #ifndef TENSORFLOW_COMPILER_MLIR_TENSORFLOW_TRANSFORMS_MARK_INITIALIZED_VARIABLES_H_
16 #define TENSORFLOW_COMPILER_MLIR_TENSORFLOW_TRANSFORMS_MARK_INITIALIZED_VARIABLES_H_
17 
18 #include "mlir/Dialect/Func/IR/FuncOps.h"  // from @llvm-project
19 #include "mlir/IR/BuiltinOps.h"  // from @llvm-project
20 #include "tensorflow/core/public/session.h"
21 
22 namespace mlir {
23 namespace tf_saved_model {
24 // Marks all variables in 'function' whether they are initialized
25 // in 'session' or not by setting an attribute named 'is_initialized'
26 // on each variable op with value true/false based on variable is initialized
27 // in the session or not.
28 // If 'session' is NULL the function is no-op.
29 // Returns failure in case fetching variables from session failed, success
30 // otherwise.
31 LogicalResult MarkInitializedVariablesInFunction(func::FuncOp function,
32                                                  tensorflow::Session* session);
33 // Apply `MarkInitializedVariablesInFunction` to every non-empty function in the
34 // module.
35 LogicalResult MarkInitializedVariablesInFunction(ModuleOp module,
36                                                  tensorflow::Session* session);
37 
38 }  // namespace tf_saved_model
39 }  // namespace mlir
40 
41 #endif  // TENSORFLOW_COMPILER_MLIR_TENSORFLOW_TRANSFORMS_MARK_INITIALIZED_VARIABLES_H_
42