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Use std::swap() to exchange elaboration_work_list 

Rather than moving one item at a time form the elaboration_work_list to the
temporary queue use std::swap to exchange them all at once. This is a bit
more efficient.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
This commit is contained in:
Lars-Peter Clausen 2022-09-21 12:14:00 +02:00
parent 3bea115c51
commit bdafdb1e65
1 changed files with 1 additions and 4 deletions
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elaborate.cc
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@ -7215,10 +7215,7 @@ Design* elaborate(list<perm_string>roots)
// Transfer the queue to a temporary queue.
list<elaborator_work_item_t*> cur_queue;
while (! des->elaboration_work_list.empty()) {
cur_queue.push_back(des->elaboration_work_list.front());
des->elaboration_work_list.pop_front();
}
std::swap(cur_queue, des->elaboration_work_list);
// Run from the temporary queue. If the temporary queue
// items create new work queue items, they will show up