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bugbash

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2024-01-09 15:30:33 -08:00
parent 3e23ff9bad
commit e2c5d7d358
3 changed files with 15 additions and 7 deletions
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15
src/ast/euf/euf_bv_plugin.cpp
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@ -259,17 +259,24 @@ namespace euf {
void bv_plugin::propagate_register_node(enode* n) {
TRACE("bv", tout << "register " << g.bpp(n) << "\n");
auto& i = info(n);
i.value = n;
enode* a, * b;
unsigned lo, hi;
if (is_concat(n, a, b)) {
auto& i = info(n);
i.value = n;
i.hi = a;
i.lo = b;
i.cut = width(b);
push_undo_split(n);
}
unsigned lo, hi;
if (is_extract(n, lo, hi) && (lo != 0 || hi + 1 != width(n->get_arg(0)))) {
else if (is_concat(n) && n->num_args() != 2) {
SASSERT(n->num_args() != 0);
auto last = n->get_arg(n->num_args() - 1);
for (unsigned i = n->num_args() - 1; i-- > 0;)
last = mk_concat(n->get_arg(i), last);
push_merge(last, n);
}
else if (is_extract(n, lo, hi) && (lo != 0 || hi + 1 != width(n->get_arg(0)))) {
enode* arg = n->get_arg(0);
unsigned w = width(arg);
if (all_of(enode_parents(arg), [&](enode* p) { unsigned _lo, _hi; return !is_extract(p, _lo, _hi) || _lo != 0 || _hi + 1 != w; }))