19   ZoneVector<RpoNumber>& result;
20   ZoneStack<RpoNumber>& stack;
23   void PushIfUnvisited(RpoNumber num) {  in PushIfUnvisited()
29   void Forward(RpoNumber to) {  in Forward()
30     RpoNumber from = stack.top();  in Forward()
31     RpoNumber to_to = result[to.ToInt()];  in Forward()
52   RpoNumber unvisited() { return RpoNumber::FromInt(-1); }  in unvisited()
53   RpoNumber onstack() { return RpoNumber::FromInt(-2); }  in onstack()
57                                       ZoneVector<RpoNumber>& result,  in ComputeForwarding()
60   ZoneStack<RpoNumber> stack(local_zone);  in ComputeForwarding()
66     RpoNumber current = block->rpo_number();  in ComputeForwarding()
76       RpoNumber fw = block->rpo_number();  in ComputeForwarding()
114         if (next < code->InstructionBlockCount()) fw = RpoNumber::FromInt(next);  in ComputeForwarding()
121   for (RpoNumber num : result) {  in ComputeForwarding()
142 void JumpThreading::ApplyForwarding(ZoneVector<RpoNumber>& result,  in ApplyForwarding()
177       RpoNumber rpo = constant.ToRpoNumber();  in ApplyForwarding()
178       RpoNumber fw = result[rpo.ToInt()];  in ApplyForwarding()
187       block->set_ao_number(RpoNumber::FromInt(ao));  in ApplyForwarding()
193       block->set_ao_number(RpoNumber::FromInt(ao));  in ApplyForwarding()