1 | /* Copyright 2022 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_DTENSOR_CC_DTENSOR_GRAPH_TO_MLIR_PASS_H_ |
17 | #define TENSORFLOW_DTENSOR_CC_DTENSOR_GRAPH_TO_MLIR_PASS_H_ |
18 | |
19 | #include "absl/container/flat_hash_set.h" |
20 | #include "mlir/IR/MLIRContext.h" // from @llvm-project |
21 | #include "mlir/Pass/PassManager.h" // from @llvm-project |
22 | #include "tensorflow/core/common_runtime/device_set.h" |
23 | #include "tensorflow/core/framework/function.h" |
24 | #include "tensorflow/core/graph/graph.h" |
25 | #include "tensorflow/core/platform/fingerprint.h" |
26 | #include "tensorflow/dtensor/mlir/ir/tf_dtensor.h" |
27 | |
28 | namespace tensorflow { |
29 | |
30 | class DTensorMlirPassRunner { |
31 | public: |
32 | DTensorMlirPassRunner(); |
33 | // Translates `graph` and replaces it with the resulting rewritten graph. |
34 | Status RunOnGraph(const DeviceSet& device_set, bool is_func, |
35 | FunctionLibraryDefinition* flib_def, |
36 | std::unique_ptr<Graph>* graph, |
37 | absl::flat_hash_set<Node*>& control_ret_nodes, |
38 | Fprint128 cache_key); |
39 | |
40 | private: |
41 | // N.B. op_registration_ must be initialized before context/pass-manager to |
42 | // ensure DTensor operations are available during optimization passes. |
43 | bool op_registration_ = mlir::TF::RegisterDTensorTFOps(); |
44 | mlir::MLIRContext context_; |
45 | mlir::PassManager pass_manager_; |
46 | |
47 | bool logging_enabled_; |
48 | }; |
49 | |
50 | } // namespace tensorflow |
51 | |
52 | #endif // TENSORFLOW_DTENSOR_CC_DTENSOR_GRAPH_TO_MLIR_PASS_H_ |
53 |