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remove unsound rewrite

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-09-22 08:40:44 -07:00
parent 22b6233e62
commit dc625cb01d
1 changed files with 0 additions and 5 deletions
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5
src/ast/rewriter/seq_rewriter.cpp
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@ -1828,11 +1828,6 @@ br_status seq_rewriter::mk_re_loop(func_decl* f, unsigned num_args, expr* const*
result = m_util.re.mk_loop(args[0], f->get_parameter(1).get_int(), f->get_parameter(1).get_int()); result = m_util.re.mk_loop(args[0], f->get_parameter(1).get_int(), f->get_parameter(1).get_int());
return BR_REWRITE1; return BR_REWRITE1;
} }
// (loop (loop a lo hi) lo2 hi2) = (loop lo*lo2 hi*hi2)
if (m_util.re.is_loop(args[0], a, lo, hi) && f->get_num_parameters() == 2) {
result = m_util.re.mk_loop(a, f->get_parameter(0).get_int() * lo, f->get_parameter(1).get_int() * hi);
return BR_REWRITE1;
}
// (loop (loop a lo hi) lo2) = (loop lo*lo2) // (loop (loop a lo hi) lo2) = (loop lo*lo2)
if (m_util.re.is_loop(args[0], a, lo, hi) && f->get_num_parameters() == 1) { if (m_util.re.is_loop(args[0], a, lo, hi) && f->get_num_parameters() == 1) {
result = m_util.re.mk_loop(a, f->get_parameter(0).get_int() * lo); result = m_util.re.mk_loop(a, f->get_parameter(0).get_int() * lo);