| /* Copyright 2019 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_XLA_MODULE_IMPORTER_H_ |
| #define TENSORFLOW_COMPILER_MLIR_XLA_MODULE_IMPORTER_H_ |
| |
| #include <unordered_map> |
| |
| #include "mlir/Dialect/Func/IR/FuncOps.h" // from @llvm-project |
| #include "mlir/IR/Builders.h" // from @llvm-project |
| #include "mlir/IR/BuiltinOps.h" // from @llvm-project |
| #include "mlir/IR/MLIRContext.h" // from @llvm-project |
| #include "tensorflow/compiler/mlir/tensorflow/utils/error_util.h" |
| #include "tensorflow/compiler/xla/mlir_hlo/include/mlir-hlo/Dialect/mhlo/IR/hlo_ops.h" |
| #include "tensorflow/compiler/xla/status.h" |
| #include "tensorflow/compiler/xla/xla_data.pb.h" |
| |
| namespace xla { |
| class HloModule; |
| class HloModuleProto; |
| class HloComputation; |
| class HloInstruction; |
| class Shape; |
| |
| // Importer that takes an HloModule and imports it as an MLIR module in the XLA |
| // dialect. HloModuleImporter does not take ownership. |
| class HloModuleImporter { |
| public: |
| explicit HloModuleImporter(mlir::ModuleOp module, |
| bool import_all_computation = false); |
| |
| // Import the HloModule into the MLIR Module. |
| Status Import(const xla::HloModule& module); |
| |
| // Import the HloModuleProto into the MLIR Module. |
| Status Import(const xla::HloModuleProto& module); |
| |
| private: |
| bool import_all_computation_; |
| mlir::ModuleOp module_; |
| mlir::Builder builder_; |
| |
| // Map for tracking which MLIR function map to which HLO Computation. This |
| // tracks functions as they are imported and provides a quick lookup for |
| // functions invoked by control flow related operations (e.g. while, call). |
| std::unordered_map<const xla::HloComputation*, mlir::func::FuncOp> |
| function_map_; |
| }; |
| |
| } // namespace xla |
| |
| #endif // TENSORFLOW_COMPILER_MLIR_XLA_MODULE_IMPORTER_H_ |