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set relevancy flag on enode

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This commit is contained in:
Nikolaj Bjorner 2021-12-29 17:57:28 -08:00
parent a90b66134d
commit b87b464e69
10 changed files with 40 additions and 25 deletions
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8
src/ast/euf/euf_egraph.h
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@ -106,10 +106,11 @@ namespace euf {
struct lbl_hash {};
struct lbl_set {};
struct update_children {};
struct set_relevant {};
enum class tag_t { is_set_parent, is_add_node, is_toggle_merge, is_update_children,
is_add_th_var, is_replace_th_var, is_new_lit, is_new_th_eq,
is_lbl_hash, is_new_th_eq_qhead, is_new_lits_qhead,
is_inconsistent, is_value_assignment, is_lbl_set };
is_inconsistent, is_value_assignment, is_lbl_set, is_set_relevant };
tag_t tag;
enode* r1;
enode* n1;
@ -152,6 +153,8 @@ namespace euf {
tag(tag_t::is_lbl_set), r1(n), n1(nullptr), m_lbls(n->m_lbls.get()) {}
update_record(enode* n, update_children) :
tag(tag_t::is_update_children), r1(n), n1(nullptr), r2_num_parents(UINT_MAX) {}
update_record(enode* n, set_relevant) :
tag(tag_t::is_set_relevant), r1(n), n1(nullptr), r2_num_parents(UINT_MAX) {}
};
ast_manager& m;
svector<to_merge> m_to_merge;
@ -182,6 +185,7 @@ namespace euf {
enode_vector m_todo;
stats m_stats;
bool m_uses_congruence = false;
bool m_default_relevant = true;
std::vector<std::function<void(enode*,enode*)>> m_on_merge;
std::function<void(enode*)> m_on_make;
std::function<void(expr*,expr*,expr*)> m_used_eq;
@ -293,6 +297,8 @@ namespace euf {
void set_merge_enabled(enode* n, bool enable_merge);
void set_value(enode* n, lbool value);
void set_bool_var(enode* n, unsigned v) { n->set_bool_var(v); }
void set_relevant(enode* n);
void set_default_relevant(bool b) { m_default_relevant = b; }
void set_on_merge(std::function<void(enode* root,enode* other)>& on_merge) { m_on_merge.push_back(on_merge); }
void set_on_make(std::function<void(enode* n)>& on_make) { m_on_make = on_make; }