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Add a comment about DepthFirstIterator's skipchildren behavior

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236904 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Berlin 2015-05-08 21:17:24 +00:00
parent a54f2b87f7
commit fd5c9868cb
1 changed files with 4 additions and 2 deletions
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6
include/llvm/ADT/DepthFirstIterator.h
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@ -159,8 +159,10 @@ public:
return *this;
}
// skips all children of the current node and traverses to next node
//
/// \brief Skips all children of the current node and traverses to next node
///
/// Note: This function takes care of incrementing the iterator. If you
/// always increment and call this function, you risk walking off the end.
df_iterator &skipChildren() {
VisitStack.pop_back();
if (!VisitStack.empty())