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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2026-04-14 08:35:48 -07:00
parent 0c4e4ad702
commit 725b13680e
6 changed files with 80 additions and 104 deletions
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19
src/ast/euf/euf_sgraph.cpp
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@ -332,27 +332,26 @@ namespace euf {
}
}
snode* sgraph::mk_snode(expr* e, snode_kind k, unsigned num_args, snode* const* args) {
snode *sgraph::mk_snode(expr *e, snode_kind k, unsigned num_args, snode *const *args) {
SASSERT(e);
unsigned id = m_nodes.size();
snode* n = snode::mk(m_region, e, k, id, num_args, args);
snode *n = snode::mk(m_region, e, k, id, num_args, args);
compute_metadata(n);
compute_hash_matrix(n);
m_nodes.push_back(n);
SASSERT(!n->is_char_or_unit() || m_seq.str.is_unit(n->get_expr()));
if (e) {
unsigned eid = e->get_id();
m_expr2snode.reserve(eid + 1, nullptr);
m_expr2snode[eid] = n;
// pin expression via egraph (the egraph has an expr trail)
mk_enode(e);
}
unsigned eid = e->get_id();
m_expr2snode.reserve(eid + 1, nullptr);
m_expr2snode[eid] = n;
// pin expression via egraph (the egraph has an expr trail)
mk_enode(e);
++m_stats.m_num_nodes;
return n;
}
snode* sgraph::mk(expr* e) {
SASSERT(e);
expr_ref _e(e, m); // pin locally to not clash with character creation, never needed if we use mk_enode early.
snode* n = find(e);
if (n)
return n;

2
src/ast/euf/euf_sgraph.h
View file

@ -93,7 +93,7 @@ namespace euf {
// maps expression id to snode
ptr_vector<snode> m_expr2snode;
// trail of alias entries (string constant → decomposed snode) for pop
unsigned_vector m_alias_trail; // expression ids
unsigned_vector m_alias_trail_lim; // scope boundaries