template<class T1, class T2>
class op_iterator_impl :
- public std::iterator<std::random_access_iterator_tag, T2> {
+ public std::iterator<std::bidirectional_iterator_tag, T2> {
const NamedMDNode *Node;
unsigned Idx;
op_iterator_impl(const NamedMDNode *N, unsigned i) : Node(N), Idx(i) { }
friend class NamedMDNode;
public:
- op_iterator_impl() : Node(0), Idx(0) { }
- op_iterator_impl(const op_iterator_impl &o) : Node(o.Node), Idx(o.Idx) { }
+ op_iterator_impl() : Node(nullptr), Idx(0) { }
bool operator==(const op_iterator_impl &o) const { return Idx == o.Idx; }
bool operator!=(const op_iterator_impl &o) const { return Idx != o.Idx; }
operator++();
return tmp;
}
- op_iterator_impl &operator=(const op_iterator_impl &o) {
- Node = o.Node;
- Idx = o.Idx;
+ op_iterator_impl &operator--() {
+ --Idx;
return *this;
}
+ op_iterator_impl operator--(int) {
+ op_iterator_impl tmp(*this);
+ operator--();
+ return tmp;
+ }
+
T1 operator*() const { return Node->getOperand(Idx); }
};
StringRef getName() const;
/// print - Implement operator<< on NamedMDNode.
- void print(raw_ostream &ROS, AssemblyAnnotationWriter *AAW = 0) const;
+ void print(raw_ostream &ROS) const;
/// dump() - Allow printing of NamedMDNodes from the debugger.
void dump() const;