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remove also second hash-table for ALIVE_OPT #4747

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-10-27 00:11:12 -07:00
parent f3147d6e22
commit e962deb557
6 changed files with 26 additions and 12 deletions
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7
src/ast/rewriter/expr_safe_replace.cpp
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@ -27,9 +27,13 @@ Revision History:
void expr_safe_replace::insert(expr* src, expr* dst) {
SASSERT(m.get_sort(src) == m.get_sort(dst));
#if ALIVE_OPT
cache_insert(src, dst);
#else
m_src.push_back(src);
m_dst.push_back(dst);
m_subst.insert(src, dst);
#endif
}
void expr_safe_replace::operator()(expr_ref_vector& es) {
@ -69,10 +73,12 @@ void expr_safe_replace::operator()(expr* e, expr_ref& res) {
if (cache_find(a)) {
m_todo.pop_back();
}
#if !ALIVE_OPT
else if (m_subst.find(a, b)) {
cache_insert(a, b);
m_todo.pop_back();
}
#endif
else if (is_var(a)) {
cache_insert(a, a);
m_todo.pop_back();
@ -150,6 +156,7 @@ void expr_safe_replace::reset() {
m_src.reset();
m_dst.reset();
m_subst.reset();
m_refs.reset();
}
void expr_safe_replace::apply_substitution(expr* s, expr* def, expr_ref& t) {