1725   HUserRecord() : instruction_(nullptr), before_use_node_() {}  in HUserRecord()
1726   explicit HUserRecord(HInstruction* instruction) : instruction_(instruction), before_use_node_() {}  in HUserRecord()
1729       : HUserRecord(old_record.instruction_, before_use_node) {}  in HUserRecord()
1731       : instruction_(instruction), before_use_node_(before_use_node) {  in HUserRecord()
1732     DCHECK(instruction_ != nullptr);  in HUserRecord()
1735   HInstruction* GetInstruction() const { return instruction_; }  in GetInstruction()
1741   HInstruction* instruction_;
2792       : instruction_(instructions.first_instruction_) {  in HInstructionIterator()
2793     next_ = Done() ? nullptr : instruction_->GetNext();  in HInstructionIterator()
2796   bool Done() const { return instruction_ == nullptr; }  in Done()
2797   HInstruction* Current() const { return instruction_; }  in Current()
2799     instruction_ = next_;  in Advance()
2800     next_ = Done() ? nullptr : instruction_->GetNext();  in Advance()
2804   HInstructionIterator() : instruction_(nullptr), next_(nullptr) {}  in HInstructionIterator()
2806   HInstruction* instruction_;  variable
2818       : instruction_(instructions.first_instruction_) {
2821   bool Done() const { return instruction_ == nullptr; }
2822   HInstruction* Current() const { return instruction_; }
2824     instruction_ = instruction_->GetNext();
2828   HInstructionIteratorHandleChanges() : instruction_(nullptr) {}
2830   HInstruction* instruction_;
2839       : instruction_(instructions.last_instruction_) {
2840     next_ = Done() ? nullptr : instruction_->GetPrevious();
2843   bool Done() const { return instruction_ == nullptr; }
2844   HInstruction* Current() const { return instruction_; }
2846     instruction_ = next_;
2847     next_ = Done() ? nullptr : instruction_->GetPrevious();
2851   HBackwardInstructionIterator() : instruction_(nullptr), next_(nullptr) {}
2853   HInstruction* instruction_;
8148       : source_(source), destination_(destination), type_(type), instruction_(instruction) {}
8202   HInstruction* GetInstruction() const { return instruction_; }
8213   HInstruction* instruction_;