1267     DCHECK(last_instruction_ == nullptr);  in AddInstruction()
1268     first_instruction_ = last_instruction_ = instruction;  in AddInstruction()
1270     DCHECK(last_instruction_ != nullptr);  in AddInstruction()
1271     last_instruction_->next_ = instruction;  in AddInstruction()
1272     instruction->previous_ = last_instruction_;  in AddInstruction()
1273     last_instruction_ = instruction;  in AddInstruction()
1293   if (cursor == last_instruction_) {  in InsertInstructionAfter()
1296     last_instruction_ = instruction;  in InsertInstructionAfter()
1315   if (instruction == last_instruction_) {  in RemoveInstruction()
1316     last_instruction_ = instruction->previous_;  in RemoveInstruction()
1987   DCHECK_NE(block_->instructions_.last_instruction_, this);  in MoveBefore()
2064   new_block->instructions_.last_instruction_ = instructions_.last_instruction_;  in SplitBefore()
2065   instructions_.last_instruction_ = cursor->previous_;  in SplitBefore()
2110   new_block->instructions_.last_instruction_ = instructions_.last_instruction_;  in SplitBeforeForInlining()
2111   instructions_.last_instruction_ = cursor->previous_;  in SplitBeforeForInlining()
2137   DCHECK_NE(instructions_.last_instruction_, cursor);  in SplitAfterForInlining()
2142   new_block->instructions_.last_instruction_ = instructions_.last_instruction_;  in SplitAfterForInlining()
2145   instructions_.last_instruction_ = cursor;  in SplitAfterForInlining()
2291     if (cursor == last_instruction_) {  in AddAfter()
2292       last_instruction_ = instruction_list.last_instruction_;  in AddAfter()
2294       cursor->next_->previous_ = instruction_list.last_instruction_;  in AddAfter()
2296     instruction_list.last_instruction_->next_ = cursor->next_;  in AddAfter()
2310     instruction_list.last_instruction_->next_ = cursor;  in AddBefore()
2312     cursor->previous_ = instruction_list.last_instruction_;  in AddBefore()
2319     last_instruction_ = instruction_list.last_instruction_;  in Add()
2321     AddAfter(last_instruction_, instruction_list);  in Add()