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Rename createNode -> createSentinal.
Add a new method, destroySentinal, that is used to delete it (instead of requiring use of delete. llvm-svn: 19921
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@ -58,9 +58,10 @@ struct ilist_traits {
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static void setPrev(NodeTy *N, NodeTy *Prev) { N->setPrev(Prev); }
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static void setNext(NodeTy *N, NodeTy *Next) { N->setNext(Next); }
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static NodeTy *createNode() { return new NodeTy(); }
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static NodeTy *createNode(const NodeTy &V) { return new NodeTy(V); }
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static NodeTy *createSentinal() { return new NodeTy(); }
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static void destroySentinal(NodeTy *N) { delete N; }
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void addNodeToList(NodeTy *NTy) {}
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void removeNodeFromList(NodeTy *NTy) {}
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@ -301,11 +302,11 @@ public:
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typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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typedef std::reverse_iterator<iterator> reverse_iterator;
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iplist() : Head(Traits::createNode()), Tail(Head) {
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iplist() : Head(Traits::createSentinal()), Tail(Head) {
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setNext(Head, 0);
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setPrev(Head, 0);
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}
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~iplist() { clear(); delete Tail; }
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~iplist() { clear(); Traits::destroySentinal(Tail); }
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// Iterator creation methods.
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iterator begin() { return iterator(Head); }
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