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tune hoist-rewriter

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-11-09 11:24:41 -08:00
parent 4d26aabd83
commit 768e2c1d0d
4 changed files with 46 additions and 27 deletions
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4
src/ast/rewriter/hoist_rewriter.h
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@ -20,6 +20,7 @@ Notes:
#include "ast/ast.h"
#include "ast/rewriter/rewriter.h"
#include "ast/rewriter/expr_safe_replace.h"
#include "util/params.h"
#include "util/union_find.h"
#include "util/obj_hashtable.h"
@ -32,6 +33,7 @@ class hoist_rewriter {
ptr_vector<expr> m_es;
svector<std::pair<expr*,expr*>> m_eqs;
u_map<expr*> m_roots;
expr_safe_replace m_subst;
obj_map<expr, unsigned> m_expr2var;
ptr_vector<expr> m_var2expr;
expr_mark m_mark;
@ -46,6 +48,8 @@ class hoist_rewriter {
void reset(basic_union_find& uf);
expr_ref hoist_predicates(obj_hashtable<expr> const& p, unsigned num_args, expr* const* args);
public:
hoist_rewriter(ast_manager & m, params_ref const & p = params_ref());
ast_manager& m() const { return m_manager; }