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add rewrites for #2575

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-09-20 08:55:53 -07:00
parent 80636dd35f
commit cd0cd82eb7
4 changed files with 78 additions and 21 deletions
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2
src/ast/rewriter/seq_rewriter.h
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@ -133,7 +133,7 @@ class seq_rewriter {
br_status mk_re_star(expr* a, expr_ref& result);
br_status mk_re_plus(expr* a, expr_ref& result);
br_status mk_re_opt(expr* a, expr_ref& result);
br_status mk_re_loop(unsigned num_args, expr* const* args, expr_ref& result);
br_status mk_re_loop(func_decl* f, unsigned num_args, expr* const* args, expr_ref& result);
br_status mk_re_range(expr* lo, expr* hi, expr_ref& result);
bool cannot_contain_prefix(expr* a, expr* b);