cprover
sat_path_enumerator.h
Go to the documentation of this file.
1 /*******************************************************************\
2 
3 Module: Loop Acceleration
4 
5 Author: Matt Lewis
6 
7 \*******************************************************************/
8 
11 
12 #ifndef CPROVER_GOTO_INSTRUMENT_ACCELERATE_SAT_PATH_ENUMERATOR_H
13 #define CPROVER_GOTO_INSTRUMENT_ACCELERATE_SAT_PATH_ENUMERATOR_H
14 
15 #include <map>
16 #include <set>
17 
18 #include <util/symbol_table.h>
19 
22 
23 #include <analyses/natural_loops.h>
24 
25 #include "path_enumerator.h"
26 #include "scratch_program.h"
27 #include "polynomial.h"
28 #include "path.h"
29 #include "accelerator.h"
30 #include "loop_acceleration.h"
31 #include "cone_of_influence.h"
32 #include "acceleration_utils.h"
33 
35 {
36 public:
39  symbol_tablet &_symbol_table,
40  goto_functionst &_goto_functions,
41  goto_programt &_goto_program,
43  goto_programt::targett _loop_header)
45  symbol_table(_symbol_table),
47  goto_functions(_goto_functions),
48  goto_program(_goto_program),
49  loop(_loop),
50  loop_header(_loop_header),
52  {
54  build_fixed();
55  }
56 
57  bool next(patht &path);
58 
59 protected:
62 
63  void build_path(scratch_programt &scratch_program, patht &path);
64  void build_fixed();
65 
66  void record_path(scratch_programt &scratch_program);
67 
74 
75  typedef std::map<goto_programt::targett, exprt> distinguish_mapt;
76  typedef std::map<exprt, bool> distinguish_valuest;
77 
81  std::list<exprt> distinguishers;
84  std::list<distinguish_valuest> accelerated_paths;
85 };
86 
87 #endif // CPROVER_GOTO_INSTRUMENT_ACCELERATE_SAT_PATH_ENUMERATOR_H
message_handlert & message_handler
goto_functionst & goto_functions
acceleration_utilst utils
std::list< exprt > distinguishers
Goto Programs with Functions.
distinguish_mapt distinguishing_points
void build_path(scratch_programt &scratch_program, patht &path)
sat_path_enumeratort(message_handlert &message_handler, symbol_tablet &_symbol_table, goto_functionst &_goto_functions, goto_programt &_goto_program, natural_loops_mutablet::natural_loopt &_loop, goto_programt::targett _loop_header)
std::list< distinguish_valuest > accelerated_paths
Loop Acceleration.
natural_loops_mutablet::natural_loopt & loop
Loop Acceleration.
std::unordered_set< exprt, irep_hash > expr_sett
instructionst::iterator targett
Definition: goto_program.h:397
void record_path(scratch_programt &scratch_program)
std::list< path_nodet > patht
Definition: path.h:45
The symbol table.
Definition: symbol_table.h:19
TO_BE_DOCUMENTED.
Definition: namespace.h:74
Loop Acceleration.
Author: Diffblue Ltd.
A generic container class for the GOTO intermediate representation of one function.
Definition: goto_program.h:70
symbol_tablet & symbol_table
Loop Acceleration.
Loop Acceleration.
Loop Acceleration.
Loop Acceleration.
std::map< exprt, bool > distinguish_valuest
Base class for all expressions.
Definition: expr.h:42
goto_programt::targett loop_header
std::map< goto_programt::targett, exprt > distinguish_mapt
Compute natural loops in a goto_function.
Loop Acceleration.
Concrete Goto Program.
goto_programt & goto_program