llvm/CodeGen/SelectionDAGNodes.h

422   /// use_iterator - This class provides iterator support for SDUse
424   class use_iterator
427     explicit use_iterator(SDUse *op) : Op(op) {
436     use_iterator(const use_iterator &I) : Op(I.Op) {}
437     use_iterator() : Op(0) {}
439     bool operator==(const use_iterator &x) const {
442     bool operator!=(const use_iterator &x) const {
450     use_iterator &operator++() {          // Preincrement
456     use_iterator operator++(int) {        // Postincrement
457       use_iterator tmp = *this; ++*this; return tmp;
481   use_iterator use_begin() const {
482     return use_iterator(UseList);
485   static use_iterator use_end() { return use_iterator(0); }
579     for (use_iterator UI = use_begin(), UE = use_end(); UI != UE; ++UI)