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distribute concat over bvxor and bvor, #2470

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2019-08-07 15:14:58 -07:00
parent e950453685
commit 8579a004d0
3 changed files with 37 additions and 21 deletions
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1
src/ast/rewriter/bv_rewriter.h
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@ -107,6 +107,7 @@ class bv_rewriter : public poly_rewriter<bv_rewriter_core> {
br_status mk_bv_shl(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_bv_lshr(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_bv_ashr(expr * arg1, expr * arg2, expr_ref & result);
bool distribute_concat(decl_kind op, unsigned n, expr* const* args, expr_ref& result);
bool is_minus_one_core(expr * arg) const;
bool is_x_minus_one(expr * arg, expr * & x);
bool is_add_no_overflow(expr* e);