diff options
Diffstat (limited to 'compiler/coco/core/src/IR/Step.cpp')
-rw-r--r-- | compiler/coco/core/src/IR/Step.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/compiler/coco/core/src/IR/Step.cpp b/compiler/coco/core/src/IR/Step.cpp new file mode 100644 index 000000000..04400d46b --- /dev/null +++ b/compiler/coco/core/src/IR/Step.cpp @@ -0,0 +1,52 @@ +/* + * 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. + */ + +#include "coco/IR/Step.h" +#include "coco/IR/Op.h" + +#include <cassert> + +namespace coco +{ + +void Step::op(Op *o) +{ + if (_op != nullptr) + { + // Unlink step from _op + assert(_op->_step == this); + _op->_step = nullptr; + + // Reset _op + _op = nullptr; + } + + assert(_op == nullptr); + + if (o) + { + // Update _op + _op = o; + + // Link step to _op + assert(_op->_step == nullptr); + _op->_step = this; + } + + assert(_op == o); +} + +} // namespace coco |