Avoid sign compare warning.

[oota-llvm.git] / include / llvm / ADT / DepthFirstIterator.h

diff --git a/include/llvm/ADT/DepthFirstIterator.h b/include/llvm/ADT/DepthFirstIterator.h
index 3edb5550788d8351c71ab94cc124daa0d6571780..dd13a2c02053ffb5b97178b7c08b74fa961b3299 100644 (file)
--- a/include/llvm/ADT/DepthFirstIterator.h
+++ b/include/llvm/ADT/DepthFirstIterator.h
@@ -143,8 +143,7 @@ public:
   static inline _Self end(const GraphT& G, SetType &S) { return _Self(S); }
 
   inline bool operator==(const _Self& x) const {
-    return VisitStack.size() == x.VisitStack.size() &&
-           VisitStack == x.VisitStack;
+    return VisitStack == x.VisitStack;
   }
   inline bool operator!=(const _Self& x) const { return !operator==(x); }
 
@@ -193,15 +192,6 @@ public:
   NodeType *getPath(unsigned n) const {
     return VisitStack[n].first.getPointer();
   }
-
-  /// skipChildren - Skip all children of Node, assuming that Node is on the
-  /// current path. This allows more aggressive pruning than just skipping
-  /// children of the current node.
-  _Self& skipChildren(NodeType *Node) {
-    while (!VisitStack.empty() && **this != Node)
-      VisitStack.pop_back();
-    return skipChildren();
-  }
 };