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Diffstat (limited to 'compiler/exo/src/Dialect/IR/NodeMixins.h')
-rw-r--r-- | compiler/exo/src/Dialect/IR/NodeMixins.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/compiler/exo/src/Dialect/IR/NodeMixins.h b/compiler/exo/src/Dialect/IR/NodeMixins.h new file mode 100644 index 000000000..c35daebc6 --- /dev/null +++ b/compiler/exo/src/Dialect/IR/NodeMixins.h @@ -0,0 +1,66 @@ +/* + * 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 __DIALECT_IR_NODEMIXINS_H__ +#define __DIALECT_IR_NODEMIXINS_H__ + +#include <loco/IR/Node.h> + +namespace locoex +{ + +/** + * @brief Nodes with the fixed number of inputs + * + * TODO Deprecated this class, and use loco::FixedArity instead + */ +template <unsigned N, typename Base> class FixedArityNode : public Base +{ +public: + FixedArityNode() + { + for (uint32_t n = 0; n < N; ++n) + { + _args[n] = std::unique_ptr<loco::Use>(new loco::Use{this}); + } + } + + virtual ~FixedArityNode() = default; + +public: + unsigned arity(void) const final { return N; } + + loco::Node *arg(uint32_t n) const final { return _args.at(n)->node(); } + + void drop(void) final + { + for (uint32_t n = 0; n < N; ++n) + { + _args.at(n)->node(nullptr); + } + } + +protected: + // This API allows inherited classes to access "_args" field. + loco::Use *at(unsigned n) const { return _args.at(n).get(); } + +private: + std::array<std::unique_ptr<loco::Use>, N> _args; +}; + +} // namespace locoex + +#endif // __DIALECT_IR_NODEMIXINS_H__ |