149   UsePosition* use_pos = last_processed_use_;  in NextUsePosition()  local
150   if (use_pos == NULL) use_pos = first_pos();  in NextUsePosition()
151   while (use_pos != NULL && use_pos->pos().Value() < start.Value()) {  in NextUsePosition()
152     use_pos = use_pos->next();  in NextUsePosition()
154   last_processed_use_ = use_pos;  in NextUsePosition()
155   return use_pos;  in NextUsePosition()
193   UsePosition* use_pos = NextRegisterPosition(pos);  in CanBeSpilled()  local
194   if (use_pos == NULL) return true;  in CanBeSpilled()
196       use_pos->pos().Value() > pos.NextInstruction().InstructionEnd().Value();  in CanBeSpilled()
428   UsePosition* use_pos = new(zone) UsePosition(pos, operand, hint);  in AddUsePosition()  local
439     use_pos->set_next(first_pos_);  in AddUsePosition()
440     first_pos_ = use_pos;  in AddUsePosition()
442     use_pos->next_ = prev->next_;  in AddUsePosition()
443     prev->next_ = use_pos;  in AddUsePosition()
446   if (prev_hint == NULL && use_pos->HasHint()) {  in AddUsePosition()
454   UsePosition* use_pos = first_pos();  in ConvertOperands()  local
455   while (use_pos != NULL) {  in ConvertOperands()
456     DCHECK(Start().Value() <= use_pos->pos().Value() &&  in ConvertOperands()
457            use_pos->pos().Value() <= End().Value());  in ConvertOperands()
459     if (use_pos->HasOperand()) {  in ConvertOperands()
461              !use_pos->RequiresRegister());  in ConvertOperands()
462       use_pos->operand()->ConvertTo(op->kind(), op->index());  in ConvertOperands()
464     use_pos = use_pos->next();  in ConvertOperands()
972           LifetimePosition use_pos;  in ProcessInstructions()  local
975             use_pos = curr_position;  in ProcessInstructions()
977             use_pos = curr_position.InstructionEnd();  in ProcessInstructions()
980           Use(block_start_position, use_pos, input, NULL);  in ProcessInstructions()
1849   LifetimePosition use_pos[DoubleRegister::kMaxNumRegisters];  in AllocateBlockedReg()  local
1853     use_pos[i] = block_pos[i] = LifetimePosition::MaxPosition();  in AllocateBlockedReg()
1860       block_pos[cur_reg] = use_pos[cur_reg] =  in AllocateBlockedReg()
1866         use_pos[cur_reg] = range->End();  in AllocateBlockedReg()
1868         use_pos[cur_reg] = next_use->pos();  in AllocateBlockedReg()
1881       use_pos[cur_reg] = Min(block_pos[cur_reg], use_pos[cur_reg]);  in AllocateBlockedReg()
1883       use_pos[cur_reg] = Min(use_pos[cur_reg], next_intersection);  in AllocateBlockedReg()
1890     if (use_pos[code].Value() > use_pos[reg].Value()) {  in AllocateBlockedReg()
1895   LifetimePosition pos = use_pos[reg];  in AllocateBlockedReg()