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more on #3858 elim_term_ite

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-09 10:31:21 -07:00
parent 21b7dc627e
commit cc794a19bc
2 changed files with 46 additions and 32 deletions
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4
src/ast/rewriter/var_subst.h
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@ -49,6 +49,8 @@ public:
Otherwise, (VAR 0) is stored in the first position, (VAR 1) in the second, and so on.
*/
expr_ref operator()(expr * n, unsigned num_args, expr * const * args);
inline expr_ref operator()(expr * n, expr_ref_vector const& args) { return (*this)(n, args.size(), args.c_ptr()); }
inline expr_ref operator()(expr * n, ptr_vector<expr> const& args) { return (*this)(n, args.size(), args.c_ptr()); }
void reset() { m_reducer.reset(); }
};
@ -90,6 +92,8 @@ class expr_free_vars {
ptr_vector<sort> m_sorts;
ptr_vector<expr> m_todo;
public:
expr_free_vars() {}
expr_free_vars(expr* e) { (*this)(e); }
void reset();
void operator()(expr* e);
void accumulate(expr* e);