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fix perf bug exposed by Shelly Grossman

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-09-25 20:01:06 -07:00
parent 3dcfbb8347
commit 18fe28c0f0
2 changed files with 26 additions and 13 deletions
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2
src/ast/expr_substitution.h
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@ -43,6 +43,7 @@ public:
bool unsat_core_enabled() const { return m_cores_enabled; }
bool empty() const { return m_subst.empty(); }
unsigned size() const { return m_subst.size(); }
void insert(expr * s, expr * def, proof * def_pr = nullptr, expr_dependency * def_dep = nullptr);
void erase(expr * s);
bool find(expr * s, expr * & def, proof * & def_pr);
@ -82,6 +83,7 @@ public:
}
unsigned scope_level() const { return m_trail_lim.size(); }
bool empty() const { return m_subst.empty(); }
unsigned size() const { return m_subst.size(); }
expr* find(expr * e) { proof* pr; expr* d = nullptr; if (find(e, d, pr)) return d; else return e; }
bool find(expr * s, expr * & def, proof * & def_pr) { return m_subst.find(s, def, def_pr); }
bool find(expr * s, expr * & def, proof * & def_pr, expr_dependency * & def_dep) { return m_subst.find(s, def, def_pr, def_dep); }