Nearly CC
An educational compiler skeleton
cfg_transform.h
1 // Copyright (c) 2021-2023, David H. Hovemeyer <david.hovemeyer@gmail.com>
2 //
3 // Permission is hereby granted, free of charge, to any person obtaining a
4 // copy of this software and associated documentation files (the "Software"),
5 // to deal in the Software without restriction, including without limitation
6 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
7 // and/or sell copies of the Software, and to permit persons to whom the
8 // Software is furnished to do so, subject to the following conditions:
9 //
10 // The above copyright notice and this permission notice shall be included
11 // in all copies or substantial portions of the Software.
12 //
13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
16 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
17 // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
18 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
19 // OTHER DEALINGS IN THE SOFTWARE.
20 
21 #ifndef CFG_TRANSFORM_H
22 #define CFG_TRANSFORM_H
23 
24 #include <memory>
25 #include "cfg.h"
26 
33 private:
34  std::shared_ptr<ControlFlowGraph> m_cfg;
35 
36 public:
39  ControlFlowGraphTransform(const std::shared_ptr<ControlFlowGraph> &cfg);
40  virtual ~ControlFlowGraphTransform();
41 
44  std::shared_ptr<ControlFlowGraph> get_orig_cfg();
45 
48  virtual std::shared_ptr<ControlFlowGraph> transform_cfg();
49 
64  virtual std::shared_ptr<InstructionSequence> transform_basic_block(std::shared_ptr<InstructionSequence> orig_bb) = 0;
65 };
66 
67 #endif // CFG_TRANSFORM_H
ControlFlowGraph and associated types.
Base class for ControlFlowGraphTransform transformations.
Definition: cfg_transform.h:32
ControlFlowGraphTransform(const std::shared_ptr< ControlFlowGraph > &cfg)
Constructor.
Definition: cfg_transform.cpp:25
std::shared_ptr< ControlFlowGraph > get_orig_cfg()
Get a shared pointer to the original ControlFlowGraph.
Definition: cfg_transform.cpp:32
virtual std::shared_ptr< ControlFlowGraph > transform_cfg()
Transform the original ControlFlowGraph.
Definition: cfg_transform.cpp:36
virtual std::shared_ptr< InstructionSequence > transform_basic_block(std::shared_ptr< InstructionSequence > orig_bb)=0
Create a transformed version of the instructions in a basic block.