370 UseInterval* UseInterval::SplitAt(LifetimePosition pos, Zone* zone) {  in SplitAt()
372   UseInterval* after = new (zone) UseInterval(pos, end_);  in SplitAt()
417   UseInterval* interval = first_interval_;  in VerifyPositions()
433   for (UseInterval* interval = first_interval()->next(); interval != nullptr;  in VerifyIntervals()
564 UseInterval* LiveRange::FirstSearchIntervalForPosition(  in FirstSearchIntervalForPosition()
576     UseInterval* to_start_of, LifetimePosition but_not_past) const {  in AdvanceLastProcessedMarker()
610   UseInterval* current = FirstSearchIntervalForPosition(position);  in DetachAt()
621   UseInterval* after = nullptr;  in DetachAt()
627     UseInterval* next = current->next();  in DetachAt()
639   UseInterval* before = current;  in DetachAt()
767   UseInterval* start_search = FirstSearchIntervalForPosition(position);  in Covers()
768   for (UseInterval* interval = start_search; interval != nullptr;  in Covers()
781   UseInterval* b = other->first_interval();  in FirstIntersection()
784   UseInterval* a = FirstSearchIntervalForPosition(b->start());  in FirstIntersection()
1111   UseInterval* new_interval = new (zone) UseInterval(start, new_end);  in EnsureInterval()
1125     UseInterval* interval = new (zone) UseInterval(start, end);  in AddUseInterval()
1132       UseInterval* interval = new (zone) UseInterval(start, end);  in AddUseInterval()
1173 static bool AreUseIntervalsIntersecting(UseInterval* interval1,  in AreUseIntervalsIntersecting()
1174                                         UseInterval* interval2) {  in AreUseIntervalsIntersecting()
1201   UseInterval* interval = range->first_interval();  in operator <<()
1231   UseInterval* result = nullptr;  in SpillRange()
1232   UseInterval* node = nullptr;  in SpillRange()
1235     UseInterval* src = range->first_interval();  in SpillRange()
1237       UseInterval* new_node = new (zone) UseInterval(src->start(), src->end());  in SpillRange()
1290 void SpillRange::MergeDisjointIntervals(UseInterval* other) {  in MergeDisjointIntervals()
1291   UseInterval* tail = nullptr;  in MergeDisjointIntervals()
1292   UseInterval* current = use_interval_;  in MergeDisjointIntervals()
1321   for (UseInterval* i = interval(); i != nullptr; i = i->next()) {  in Print()
1511     for (const UseInterval* i = range->first_interval(); i != nullptr;  in RangesDefinedInDeferredStayInDeferred()
2479       const UseInterval* first = current->first_interval();  in Verify()
2487       for (const UseInterval* i = first->next(); i != nullptr; i = i->next()) {  in Verify()
2505     const UseInterval* interval) const {  in IntervalStartsAtBlockBoundary()
2515     const UseInterval* interval, const TopLevelLiveRange* range) const {  in IntervalPredecessorsCoveredByRange()
2532     const UseInterval* interval) const {  in NextIntervalStartsInDifferentBlocks()