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Z3_subst: avoid unneded cache lookups

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This commit is contained in:
Nuno Lopes 2021-03-01 10:31:48 +00:00
parent f725989225
commit ff1429413d
1 changed files with 5 additions and 7 deletions
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12
src/ast/rewriter/expr_safe_replace.cpp
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@ -67,18 +67,16 @@ void expr_safe_replace::operator()(expr* e, expr_ref& res) {
m_args.reset();
bool arg_differs = false, has_all_args = true;
for (expr* arg : *c) {
expr* d = m_cache[arg];
if (d) {
if (has_all_args) {
if (has_all_args) {
if (expr* d = m_cache[arg]) {
m_args.push_back(d);
arg_differs |= arg != d;
SASSERT(arg->get_sort() == d->get_sort());
continue;
}
}
else {
m_todo.push_back(arg);
has_all_args = false;
}
m_todo.push_back(arg);
has_all_args = false;
}
if (has_all_args) {
if (arg_differs) {