diff options
Diffstat (limited to 'include/llvm/ADT/PostOrderIterator.h')
| -rw-r--r-- | include/llvm/ADT/PostOrderIterator.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/include/llvm/ADT/PostOrderIterator.h b/include/llvm/ADT/PostOrderIterator.h index 47e5b2bd4ad0..e3b499488d0c 100644 --- a/include/llvm/ADT/PostOrderIterator.h +++ b/include/llvm/ADT/PostOrderIterator.h @@ -56,8 +56,7 @@ class po_iterator : public std::iterator<std::forward_iterator_tag, void traverseChild() { while (VisitStack.back().second != GT::child_end(VisitStack.back().first)) { NodeType *BB = *VisitStack.back().second++; - if (!this->Visited.count(BB)) { // If the block is not visited... - this->Visited.insert(BB); + if (this->Visited.insert(BB)) { // If the block is not visited... VisitStack.push_back(std::make_pair(BB, GT::child_begin(BB))); } } @@ -72,8 +71,7 @@ class po_iterator : public std::iterator<std::forward_iterator_tag, inline po_iterator(NodeType *BB, SetType &S) : po_iterator_storage<SetType, ExtStorage>(S) { - if(!S.count(BB)) { - this->Visited.insert(BB); + if (this->Visited.insert(BB)) { VisitStack.push_back(std::make_pair(BB, GT::child_begin(BB))); traverseChild(); } |