67     uint64_t df_attributes = GetDataFlowAttributes(mir);  in DoConstantPropagation()  local
71     if (!(df_attributes & DF_HAS_DEFS)) continue;  in DoConstantPropagation()
74     if (df_attributes & DF_SETS_CONST) {  in DoConstantPropagation()
75       if (df_attributes & DF_DA) {  in DoConstantPropagation()
101     } else if (df_attributes & DF_IS_MOVE) {  in DoConstantPropagation()
110         if (df_attributes & DF_A_WIDE) {  in DoConstantPropagation()
738       uint64_t df_attributes = GetDataFlowAttributes(mir);  in CountChecks()  local
739       if (df_attributes & DF_HAS_NULL_CHKS) {  in CountChecks()
745       if (df_attributes & DF_HAS_RANGE_CHKS) {  in CountChecks()
1006     uint64_t df_attributes = GetDataFlowAttributes(mir);  in EliminateNullChecks()  local
1008     if ((df_attributes & DF_NULL_TRANSFER_N) != 0u) {  in EliminateNullChecks()
1014     if (df_attributes & DF_HAS_NULL_CHKS) {  in EliminateNullChecks()
1016       if (df_attributes & DF_NULL_CHK_OUT0) {  in EliminateNullChecks()
1017         DCHECK_NE(df_attributes & DF_IS_INVOKE, 0u);  in EliminateNullChecks()
1019       } else if (df_attributes & DF_NULL_CHK_B) {  in EliminateNullChecks()
1020         DCHECK_NE(df_attributes & DF_REF_B, 0u);  in EliminateNullChecks()
1023         DCHECK_NE(df_attributes & DF_NULL_CHK_A, 0u);  in EliminateNullChecks()
1024         DCHECK_NE(df_attributes & DF_REF_A, 0u);  in EliminateNullChecks()
1038     if ((df_attributes & DF_A_WIDE) ||  in EliminateNullChecks()
1039         (df_attributes & (DF_REF_A | DF_SETS_CONST | DF_NULL_TRANSFER)) == 0) {  in EliminateNullChecks()
1048     if ((df_attributes & (DF_DA | DF_REF_A)) == (DF_DA | DF_REF_A) ||  in EliminateNullChecks()
1049         (df_attributes & DF_SETS_CONST))  {  in EliminateNullChecks()
1054     if (df_attributes & DF_NON_NULL_DST) {  in EliminateNullChecks()
1056       DCHECK_NE(df_attributes & DF_REF_A, 0u);  in EliminateNullChecks()
1061     if (df_attributes & DF_NON_NULL_RET) {  in EliminateNullChecks()
1077     if (df_attributes & DF_NULL_TRANSFER_0) {  in EliminateNullChecks()
1078       DCHECK_EQ(df_attributes | ~(DF_DA | DF_REF_A | DF_UB | DF_REF_B), static_cast<uint64_t>(-1));  in EliminateNullChecks()
1823   uint64_t df_attributes = GetDataFlowAttributes(mir);  in CanThrow()  local
1826   if (((df_attributes & DF_HAS_NULL_CHKS) != 0) && ((opt_flags & MIR_IGNORE_NULL_CHECK) == 0)) {  in CanThrow()
1831   if ((df_attributes & DF_IFIELD) != 0) {  in CanThrow()
1836     bool fast = (df_attributes & DF_DA) != 0 ? field_info.FastGet() : field_info.FastPut();  in CanThrow()
1838   } else if ((df_attributes & DF_SFIELD) != 0) {  in CanThrow()
1842     bool fast = (df_attributes & DF_DA) != 0 ? field_info.FastGet() : field_info.FastPut();  in CanThrow()
1846   } else if ((df_attributes & DF_HAS_RANGE_CHKS) != 0) {  in CanThrow()