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+/*
+ * Copyright (c) 2019 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 __ONERT_BACKEND_ITENSOR_REGISTER_H__
+#define __ONERT_BACKEND_ITENSOR_REGISTER_H__
+
+#include "ir/LowerInfoMap.h"
+#include "ITensorBuilder.h"
+#include "ir/Layout.h"
+#include "ir/OperandIndexSequence.h"
+#include "ir/OperandInfo.h"
+#include "ir/Operands.h"
+#include "ir/OperationVisitor.h"
+
+namespace onert
+{
+namespace backend
+{
+
+class ITensorRegister : public ir::OperationVisitor
+{
+public:
+ virtual ~ITensorRegister() = default;
+
+public:
+ void registerTensors(const ir::OpSequence &op_seq, const ir::LowerInfoMap *lower_info_map)
+ {
+ _current_op_seq_layout = op_seq.getLayout();
+ _lower_info_map = lower_info_map;
+ assert(_lower_info_map != nullptr);
+ assert(tensor_builder().get() != nullptr);
+ op_seq.accept(*this);
+ }
+
+protected:
+ virtual const ir::Operands &operands() const = 0;
+ virtual std::shared_ptr<ITensorBuilder> tensor_builder() const = 0;
+
+protected:
+#define OP(InternalName) \
+ void visit(const ir::operation::InternalName &node) override \
+ { \
+ for (const auto &ind : node.getInputs() + node.getOutputs()) \
+ { \
+ defaultRegisterTensorInfo(ind); \
+ } \
+ }
+#include "ir/Operations.lst"
+#undef OP
+
+protected:
+ void defaultRegisterTensorInfo(const ir::OperandIndex &index) const
+ {
+ if (tensor_builder()->isRegistered(index))
+ {
+ return;
+ }
+
+ const auto &obj = operands().at(index);
+ const auto frontend_layout = frontendLayout();
+ const auto backend_layout = backendLayout(index);
+ ir::OperandInfo backend_info{permuteShape(obj.shape(), frontend_layout, backend_layout),
+ obj.typeInfo()};
+ tensor_builder()->registerTensorInfo(index, backend_info, backend_layout, obj.isConstant());
+ }
+
+protected:
+ ir::Layout frontendLayout() const { return _current_op_seq_layout; }
+ ir::Layout backendLayout(const ir::OperandIndex &index) const
+ {
+ assert(_lower_info_map != nullptr);
+ const auto lower_info = _lower_info_map->operand.at(index).get();
+ return lower_info->def_factors().getOnlyElement().layout();
+ }
+
+private:
+ ir::Layout _current_op_seq_layout;
+ const ir::LowerInfoMap *_lower_info_map{nullptr};
+};
+
+} // namespace backend
+} // namespace onert
+
+#endif // __ONERT_BACKEND_ITENSOR_REGISTER_H__