23   for (HReversePostOrderIterator it(*graph_); !it.Done(); it.Advance()) {  in Run()  local
24     HBasicBlock* block = it.Current();  in Run()
25     for (HInstructionIterator it(block->GetPhis()); !it.Done(); it.Advance()) {  in Run()  local
26       HPhi* phi = it.Current()->AsPhi();  in Run()
31       for (HUseIterator<HInstruction> it(phi->GetUses()); !it.Done(); it.Advance()) {  in Run()  local
32         HUseListNode<HInstruction>* current = it.Current();  in Run()
47     for (HInputIterator it(phi); !it.Done(); it.Advance()) {  in Run()  local
48       HInstruction* input = it.Current();  in Run()
58   for (HPostOrderIterator it(*graph_); !it.Done(); it.Advance()) {  in Run()  local
59     HBasicBlock* block = it.Current();  in Run()
74   for (HReversePostOrderIterator it(*graph_); !it.Done(); it.Advance()) {  in Run()  local
75     HBasicBlock* block = it.Current();  in Run()
76     for (HInstructionIterator it(block->GetPhis()); !it.Done(); it.Advance()) {  in Run()  local
77       worklist_.Add(it.Current()->AsPhi());  in Run()
113       for (HUseIterator<HInstruction> it(phi->GetUses()); !it.Done(); it.Advance()) {  in Run()  local
114         HUseListNode<HInstruction>* current = it.Current();  in Run()