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some more rewrites

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This commit is contained in:
Nikolaj Bjorner 2020-07-30 10:19:32 -07:00
parent 59d8895d15
commit a74ef394ec
2 changed files with 23 additions and 2 deletions
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1
src/ast/rewriter/seq_rewriter.h
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@ -268,6 +268,7 @@ class seq_rewriter {
bool reduce_subsequence(expr_ref_vector& ls, expr_ref_vector& rs, expr_ref_pair_vector& eqs);
bool reduce_by_length(expr_ref_vector& ls, expr_ref_vector& rs, expr_ref_pair_vector& eqs);
bool reduce_itos(expr_ref_vector& ls, expr_ref_vector& rs, expr_ref_pair_vector& eqs);
bool reduce_eq_empty(expr* l, expr* r, expr_ref& result);
bool min_length(expr_ref_vector const& es, unsigned& len);
expr* concat_non_empty(expr_ref_vector& es);