1 files changed, 108 insertions, 0 deletions
diff --git a/runtimes/neurun/core/src/compiler/Linear.h b/runtimes/neurun/core/src/compiler/Linear.h
new file mode 100644
index 000000000..78c782a78
--- /dev/null
+++ b/runtimes/neurun/core/src/compiler/Linear.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. 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 __NEURUN_COMPILER_LINEAR_H__
+#define __NEURUN_COMPILER_LINEAR_H__
+
+#include <vector>
+#include <memory>
+
+#include "model/Model.h"
+#include "model/Subgraphs.h"
+#include "backend/ITensorBuilder.h"
+#include "graph/LowerInfoMap.h"
+#include "compiler/BackendResolver.h"
+
+namespace neurun
+{
+namespace graph
+{
+namespace operation
+{
+struct OperationVisitor;
+} // namespace operation
+} // namespace graph
+} // namespace neurun
+
+namespace neurun
+{
+namespace compiler
+{
+
+class Linear
+{
+public:
+  struct Element
+  {
+    const model::Subgraph *subgraph;
+    const graph::operation::LowerInfo *lower_info;
+
+    Element(const model::Subgraph *subgraph, const graph::operation::LowerInfo *lower_info)
+        : subgraph{subgraph}, lower_info{lower_info}
+    {
+      // DO NOTHING
+    }
+  };
+
+public:
+  Linear(const std::shared_ptr<const model::Model> &model,
+         std::unique_ptr<model::Subgraphs> subgraphs,
+         std::unique_ptr<graph::LowerInfoMap> lower_info_map,
+         std::unique_ptr<compiler::BackendResolver> backend_resolver);
+
+public:
+  Linear(const Linear &linear) = delete;
+
+public:
+  void accept(model::OperationVisitor &&visitor) const;
+
+  void planTensors();
+
+  void iterate(const std::function<void(const Element &element)> &fn) const;
+
+  void generateConstantInitializers(void) const;
+
+  std::unique_ptr<graph::LowerInfoMap> releaseLowerInfo() { return std::move(_lower_info_map); }
+  graph::LowerInfoMap *getLowerInfo() { return _lower_info_map.get(); }
+
+  std::unique_ptr<model::Subgraphs> releaseSubgraphs() { return std::move(_subgraphs); }
+
+  std::vector<Element> &&releaseElements() { return std::move(_elements); }
+
+  const backend::BackendContext *getBackendContext(const backend::Backend *backend)
+  {
+    return _backend_resolver->getBackendContext(backend);
+  }
+
+  const compiler::BackendResolver *backend_resolver() const { return _backend_resolver.get(); }
+
+private:
+  // TODO Replace these getLowerInfo methods with ones of LowerInfoMap in the future
+  const graph::operation::LowerInfo *getLowerInfo(const model::SubgraphIndex &index) const;
+  const graph::operand::LowerInfo *getLowerInfo(const model::OperandIndex &index) const;
+
+private:
+  std::shared_ptr<const model::Model> _model;
+  std::unique_ptr<model::Subgraphs> _subgraphs;
+  std::unique_ptr<graph::LowerInfoMap> _lower_info_map;
+  std::vector<Element> _elements;
+  std::unique_ptr<compiler::BackendResolver> _backend_resolver;
+};
+
+} // namespace compiler
+} // namespace neurun
+
+#endif // __NEURUN_COMPILER_LINEAR_H__