48       HPhi* phi = inst_it.Current()->AsPhi();  in MarkDeadPhis()  local
49       if (phi->IsDead()) {  in MarkDeadPhis()
53       bool keep_alive = (graph_->IsDebuggable() && phi->HasEnvironmentUses());  in MarkDeadPhis()
55         for (const HUseListNode<HInstruction*>& use : phi->GetUses()) {  in MarkDeadPhis()
64         worklist.push_back(phi);  in MarkDeadPhis()
66         phi->SetDead();  in MarkDeadPhis()
68           initially_live.insert(phi);  in MarkDeadPhis()
76     HPhi* phi = worklist.back();  in MarkDeadPhis()  local
78     for (HInstruction* raw_input : phi->GetInputs()) {  in MarkDeadPhis()
98     HPhi* phi;  in EliminateDeadPhis()  local
100       phi = current->AsPhi();  in EliminateDeadPhis()
102       if (phi->IsDead()) {  in EliminateDeadPhis()
105           for (const HUseListNode<HInstruction*>& use : phi->GetUses()) {  in EliminateDeadPhis()
112         phi->RemoveAsUserOfAllInputs();  in EliminateDeadPhis()
114         for (const HUseListNode<HEnvironment*>& use : phi->GetEnvUses()) {  in EliminateDeadPhis()
119         block->RemovePhi(phi, /*ensure_safety=*/ false);  in EliminateDeadPhis()
149     HPhi* phi = worklist.back();  in Run()  local
153     if (!phi->IsInBlock()) {  in Run()
159     if (phi->IsDead()) {  in Run()
167     cycle_worklist.push_back(phi);  in Run()
168     visited_phis_in_cycle.SetBit(phi->GetId());  in Run()
169     bool catch_phi_in_cycle = phi->IsCatchPhi();  in Run()
170     bool irreducible_loop_phi_in_cycle = phi->IsIrreducibleLoopHeaderPhi();  in Run()
173     for (HInstruction* input : phi->GetInputs()) {  in Run()
174       if (input == phi) {  in Run()