mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-07-18 02:16:40 +00:00
Code Activity

add debug information in user-propagate #5687

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-11-29 08:59:24 -08:00
parent 1e9e52a58f
commit c083aa82ee
5 changed files with 22 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/ast/rewriter/bv_rewriter.cpp
View file

@ -855,6 +855,16 @@ br_status bv_rewriter::mk_bv_shl(expr * arg1, expr * arg2, expr_ref & result) {
return BR_REWRITE2;
}
expr* x = nullptr, *y = nullptr;
if (m_util.is_bv_shl(arg1, x, y)) {
expr_ref sum(m_util.mk_bv_add(y, arg2), m());
expr_ref cond(m_util.mk_ule(y, sum), m());
result = m().mk_ite(cond,
m_util.mk_bv_shl(x, sum),
mk_numeral(0, bv_size));
return BR_REWRITE3;
}
return BR_FAILED;
}