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make aig/ite extraction conditional

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-02-25 16:27:13 -08:00
parent afa34a1c12
commit dddd740846
4 changed files with 12 additions and 7 deletions
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1
src/sat/sat_config.cpp
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@ -106,6 +106,7 @@ namespace sat {
m_anf_exlin = p.anf_exlin();
m_cut_simplify = p.cut();
m_cut_delay = p.cut_delay();
m_cut_aig = p.cut_aig();
m_cut_lut = p.cut_lut();
m_cut_xor = p.cut_xor();
m_cut_dont_cares = p.cut_dont_cares();

1
src/sat/sat_config.h
View file

@ -123,6 +123,7 @@ namespace sat {
bool m_binspr;
bool m_cut_simplify;
unsigned m_cut_delay;
bool m_cut_aig;
bool m_cut_lut;
bool m_cut_xor;
bool m_cut_dont_cares;

16
src/sat/sat_cut_simplifier.cpp
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@ -181,6 +181,8 @@ namespace sat {
literal lit = s.trail_literal(m_trail_size);
m_aig_cuts.add_node(lit, and_op, 0, 0);
}
clause_vector clauses(s.clauses());
std::function<void (literal head, literal_vector const& ands)> on_and =
[&,this](literal head, literal_vector const& ands) {
@ -193,13 +195,13 @@ namespace sat {
m_aig_cuts.add_node(head, ite_op, 3, args);
m_stats.m_xites++;
};
aig_finder af(s);
af.set(on_and);
af.set(on_ite);
clause_vector clauses(s.clauses());
if (m_config.m_learned2aig) clauses.append(s.learned());
af(clauses);
if (s.m_config.m_cut_aig) {
aig_finder af(s);
af.set(on_and);
af.set(on_ite);
if (m_config.m_learned2aig) clauses.append(s.learned());
af(clauses);
}
std::function<void (literal_vector const&)> on_xor =
[&,this](literal_vector const& xors) {

1
src/sat/sat_params.pyg
View file

@ -76,6 +76,7 @@ def_module_params('sat',
('anf.exlin', BOOL, False, 'enable extended linear simplification'),
('cut', BOOL, False, 'enable AIG based simplification in-processing'),
('cut.delay', UINT, 2, 'delay cut simplification by in-processing round'),
('cut.aig', BOOL, False, 'extract aigs (and ites) from cluases for cut simplification'),
('cut.lut', BOOL, False, 'extract luts from clauses for cut simplification'),
('cut.xor', BOOL, False, 'extract xors from clauses for cut simplification'),
('cut.dont_cares', BOOL, True, 'integrate dont cares with cuts'),