71     HBasicBlock* block, BitVector* live) {  in ZapEnvironmentSlotsInSuccessors()  argument
78     if (live_in_successor->Equals(*live)) continue;  in ZapEnvironmentSlotsInSuccessors()
79     for (int i = 0; i < live->length(); ++i) {  in ZapEnvironmentSlotsInSuccessors()
80       if (!live->Contains(i)) continue;  in ZapEnvironmentSlotsInSuccessors()
108     BitVector* live) {  in UpdateLivenessAtBlockEnd()  argument
110   live->Clear();  in UpdateLivenessAtBlockEnd()
112     live->Union(*live_at_block_start_[it.Current()->block_id()]);  in UpdateLivenessAtBlockEnd()
119     BitVector* live) {  in UpdateLivenessAtInstruction()  argument
124       if (!live->Contains(index)) {  in UpdateLivenessAtInstruction()
133         live->Add(index);  in UpdateLivenessAtInstruction()
136         live->Remove(index);  in UpdateLivenessAtInstruction()
147       live->Clear();  in UpdateLivenessAtInstruction()
163       live->Clear();  in UpdateLivenessAtInstruction()
166         live->Union(*live_at_block_start_[return_id]);  in UpdateLivenessAtInstruction()
188   BitVector live(maximum_environment_size_, zone());  in Run()  local
202       UpdateLivenessAtBlockEnd(block, &live);  in Run()
206         UpdateLivenessAtInstruction(instr, &live);  in Run()
215       if (live_at_block_start_[block_id]->UnionIsChanged(live)) {  in Run()
234     UpdateLivenessAtBlockEnd(block, &live);  in Run()
235     ZapEnvironmentSlotsInSuccessors(block, &live);  in Run()