577   if (bb->data_flow_info != NULL) {  in CountChecks()
666         || (bb->data_flow_info == NULL)  in CombineBlocks()
732         CHECK(bb->data_flow_info == nullptr || bb->data_flow_info->ending_check_v == nullptr);  in EliminateNullChecksAndInferTypesStart()
749   if (bb->data_flow_info == NULL) return false;  in EliminateNullChecksAndInferTypes()
773       DCHECK(pred_bb->data_flow_info->ending_check_v != nullptr);  in EliminateNullChecksAndInferTypes()
774       ssa_regs_to_check->Copy(pred_bb->data_flow_info->ending_check_v);  in EliminateNullChecksAndInferTypes()
800       while (pred_bb->data_flow_info->ending_check_v == nullptr) {  in EliminateNullChecksAndInferTypes()
804         DCHECK(pred_bb->data_flow_info != nullptr);  in EliminateNullChecksAndInferTypes()
806       ssa_regs_to_check->Copy(pred_bb->data_flow_info->ending_check_v);  in EliminateNullChecksAndInferTypes()
810         DCHECK(pred_bb->data_flow_info != nullptr);  in EliminateNullChecksAndInferTypes()
811         if (pred_bb->data_flow_info->ending_check_v == nullptr) {  in EliminateNullChecksAndInferTypes()
814         ssa_regs_to_check->Union(pred_bb->data_flow_info->ending_check_v);  in EliminateNullChecksAndInferTypes()
934     if (bb->data_flow_info->ending_check_v == nullptr) {  in EliminateNullChecksAndInferTypes()
936       bb->data_flow_info->ending_check_v = new (temp_scoped_alloc_.get()) ArenaBitVector(  in EliminateNullChecksAndInferTypes()
939       bb->data_flow_info->ending_check_v->Copy(ssa_regs_to_check);  in EliminateNullChecksAndInferTypes()
940     } else if (!ssa_regs_to_check->SameBitsSet(bb->data_flow_info->ending_check_v)) {  in EliminateNullChecksAndInferTypes()
942       bb->data_flow_info->ending_check_v->Copy(ssa_regs_to_check);  in EliminateNullChecksAndInferTypes()
955       if (bb->data_flow_info != nullptr) {  in EliminateNullChecksAndInferTypesEnd()
956         bb->data_flow_info->ending_check_v = nullptr;  in EliminateNullChecksAndInferTypesEnd()
973       CHECK(bb->data_flow_info == nullptr || bb->data_flow_info->ending_check_v == nullptr);  in EliminateClassInitChecksGate()
1015         DCHECK(bb->data_flow_info != nullptr);  in EliminateClassInitChecksGate()
1059   if (bb->data_flow_info == NULL) {  in EliminateClassInitChecks()
1074     DCHECK(pred_bb->data_flow_info != nullptr);  in EliminateClassInitChecks()
1075     DCHECK(pred_bb->data_flow_info->ending_check_v != nullptr);  in EliminateClassInitChecks()
1076     classes_to_check->Copy(pred_bb->data_flow_info->ending_check_v);  in EliminateClassInitChecks()
1082     DCHECK(pred_bb->data_flow_info != NULL);  in EliminateClassInitChecks()
1083     while (pred_bb->data_flow_info->ending_check_v == nullptr) {  in EliminateClassInitChecks()
1087       DCHECK(pred_bb->data_flow_info != nullptr);  in EliminateClassInitChecks()
1089     classes_to_check->Copy(pred_bb->data_flow_info->ending_check_v);  in EliminateClassInitChecks()
1093       DCHECK(pred_bb->data_flow_info != nullptr);  in EliminateClassInitChecks()
1094       if (pred_bb->data_flow_info->ending_check_v == nullptr) {  in EliminateClassInitChecks()
1097       classes_to_check->Union(pred_bb->data_flow_info->ending_check_v);  in EliminateClassInitChecks()
1126   if (bb->data_flow_info->ending_check_v == nullptr) {  in EliminateClassInitChecks()
1128     DCHECK(bb->data_flow_info != nullptr);  in EliminateClassInitChecks()
1129     bb->data_flow_info->ending_check_v = new (temp_scoped_alloc_.get()) ArenaBitVector(  in EliminateClassInitChecks()
1132     bb->data_flow_info->ending_check_v->Copy(classes_to_check);  in EliminateClassInitChecks()
1133   } else if (!classes_to_check->Equal(bb->data_flow_info->ending_check_v)) {  in EliminateClassInitChecks()
1135     bb->data_flow_info->ending_check_v->Copy(classes_to_check);  in EliminateClassInitChecks()
1146     if (bb->data_flow_info != nullptr) {  in EliminateClassInitChecksEnd()
1147       bb->data_flow_info->ending_check_v = nullptr;  in EliminateClassInitChecksEnd()