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add shortcut to equality mk utility

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Nikolaj Bjorner 2022-11-16 03:47:01 -08:00
parent 55ab7778f4
commit 98fc8c99db
1 changed files with 4 additions and 2 deletions
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6
src/ast/rewriter/bool_rewriter.cpp
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@ -690,8 +690,10 @@ br_status bool_rewriter::try_ite_value(app * ite, app * val, expr_ref & result)
app* bool_rewriter::mk_eq(expr* lhs, expr* rhs) {
// degrades simplification
// if (lhs->get_id() > rhs->get_id()) std::swap(lhs, rhs);
if (m().are_equal(lhs, rhs))
return m().mk_true();
if (m().are_distinct(lhs, rhs))
return m().mk_false();
return m().mk_eq(lhs, rhs);
}