926   temp_.nce.num_vregs = GetNumOfCodeAndTempVRs();  in EliminateNullChecksGate()
927   temp_.nce.work_vregs_to_check = new (temp_scoped_alloc_.get()) ArenaBitVector(  in EliminateNullChecksGate()
928       temp_scoped_alloc_.get(), temp_.nce.num_vregs, false, kBitMapNullCheck);  in EliminateNullChecksGate()
929   temp_.nce.ending_vregs_to_check_matrix =  in EliminateNullChecksGate()
931   std::fill_n(temp_.nce.ending_vregs_to_check_matrix, GetNumBlocks(), nullptr);  in EliminateNullChecksGate()
954   ArenaBitVector* vregs_to_check = temp_.nce.work_vregs_to_check;  in EliminateNullChecks()
975       if (temp_.nce.ending_vregs_to_check_matrix[pred_id] == nullptr) {  in EliminateNullChecks()
991         vregs_to_check->Copy(temp_.nce.ending_vregs_to_check_matrix[pred_id]);  in EliminateNullChecks()
993         vregs_to_check->Union(temp_.nce.ending_vregs_to_check_matrix[pred_id]);  in EliminateNullChecks()
1089   ArenaBitVector* old_ending_ssa_regs_to_check = temp_.nce.ending_vregs_to_check_matrix[bb->id];  in EliminateNullChecks()
1093     temp_.nce.ending_vregs_to_check_matrix[bb->id] = vregs_to_check;  in EliminateNullChecks()
1095     temp_.nce.work_vregs_to_check = new (temp_scoped_alloc_.get()) ArenaBitVector(  in EliminateNullChecks()
1096         temp_scoped_alloc_.get(), temp_.nce.num_vregs, false, kBitMapNullCheck);  in EliminateNullChecks()
1099     temp_.nce.ending_vregs_to_check_matrix[bb->id] = vregs_to_check;  in EliminateNullChecks()
1100     temp_.nce.work_vregs_to_check = old_ending_ssa_regs_to_check;  // Reuse for next BB.  in EliminateNullChecks()
1107   temp_.nce.num_vregs = 0u;  in EliminateNullChecksEnd()
1108   temp_.nce.work_vregs_to_check = nullptr;  in EliminateNullChecksEnd()
1109   temp_.nce.ending_vregs_to_check_matrix = nullptr;  in EliminateNullChecksEnd()