1425     DCHECK(last_instruction_ == nullptr);  in AddInstruction()
1426     first_instruction_ = last_instruction_ = instruction;  in AddInstruction()
1428     DCHECK(last_instruction_ != nullptr);  in AddInstruction()
1429     last_instruction_->next_ = instruction;  in AddInstruction()
1430     instruction->previous_ = last_instruction_;  in AddInstruction()
1431     last_instruction_ = instruction;  in AddInstruction()
1451   if (cursor == last_instruction_) {  in InsertInstructionAfter()
1454     last_instruction_ = instruction;  in InsertInstructionAfter()
1473   if (instruction == last_instruction_) {  in RemoveInstruction()
1474     last_instruction_ = instruction->previous_;  in RemoveInstruction()
2091   DCHECK_NE(block_->instructions_.last_instruction_, this);  in MoveBefore()
2168   new_block->instructions_.last_instruction_ = instructions_.last_instruction_;  in SplitBefore()
2169   instructions_.last_instruction_ = cursor->previous_;  in SplitBefore()
2214   new_block->instructions_.last_instruction_ = instructions_.last_instruction_;  in SplitBeforeForInlining()
2215   instructions_.last_instruction_ = cursor->previous_;  in SplitBeforeForInlining()
2241   DCHECK_NE(instructions_.last_instruction_, cursor);  in SplitAfterForInlining()
2246   new_block->instructions_.last_instruction_ = instructions_.last_instruction_;  in SplitAfterForInlining()
2249   instructions_.last_instruction_ = cursor;  in SplitAfterForInlining()
2395     if (cursor == last_instruction_) {  in AddAfter()
2396       last_instruction_ = instruction_list.last_instruction_;  in AddAfter()
2398       cursor->next_->previous_ = instruction_list.last_instruction_;  in AddAfter()
2400     instruction_list.last_instruction_->next_ = cursor->next_;  in AddAfter()
2414     instruction_list.last_instruction_->next_ = cursor;  in AddBefore()
2416     cursor->previous_ = instruction_list.last_instruction_;  in AddBefore()
2423     last_instruction_ = instruction_list.last_instruction_;  in Add()
2425     AddAfter(last_instruction_, instruction_list);  in Add()