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add stubs for npn3

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-02-27 21:19:02 -08:00
parent 4f575d3158
commit e8f7a08289
6 changed files with 23 additions and 53 deletions
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21
src/sat/sat_cut_simplifier.cpp
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@ -19,6 +19,7 @@
#include "sat/sat_cut_simplifier.h"
#include "sat/sat_xor_finder.h"
#include "sat/sat_lut_finder.h"
#include "sat/sat_npn3_finder.h"
#include "sat/sat_elim_eqs.h"
namespace sat {
@ -183,6 +184,7 @@ namespace sat {
}
clause_vector clauses(s.clauses());
if (m_config.m_learned2aig) clauses.append(s.learned());
std::function<void (literal head, literal_vector const& ands)> on_and =
[&,this](literal head, literal_vector const& ands) {
@ -199,10 +201,10 @@ namespace sat {
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) {
SASSERT(xors.size() > 1);
@ -243,6 +245,23 @@ namespace sat {
m_aig_cuts.add_node(v, lut, vars.size(), vars.c_ptr());
};
if (s.m_config.m_cut_npn3) {
npn3_finder nf(s);
// TBD: stubs for npn3
// question: perhaps just use a LUT interface?
// nf.set_on_mux
// nf.set_on_maj
// nf.set_on_orand
// nf.set_on_and
// nf.set_on_xor
// nf.set_on_andxor
// nf.set_on_xorand
// nf.set_on_gamble
// nf.set_on_onehot
// nf.set_on_dot
// nf(clauses);
}
if (s.m_config.m_cut_lut) {
lut_finder lf(s);
lf.set(on_lut);