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-- { dg-do compile }
-- { dg-options "-gnata -O2 -fno-inline" }
with Ada.Unchecked_Conversion;
package body Loop_Optimization2 is
function To_Addr_Ptr is
new Ada.Unchecked_Conversion (System.Address, Addr_Ptr);
function To_Address is
new Ada.Unchecked_Conversion (Tag, System.Address);
function To_Type_Specific_Data_Ptr is
new Ada.Unchecked_Conversion (System.Address, Type_Specific_Data_Ptr);
function Interface_Ancestor_Tags (T : Tag) return Tag_Array is
TSD_Ptr : constant Addr_Ptr := To_Addr_Ptr (To_Address (T));
TSD : constant Type_Specific_Data_Ptr :=
To_Type_Specific_Data_Ptr (TSD_Ptr.all);
Iface_Table : constant Interface_Data_Ptr := TSD.Interfaces_Table;
begin
if Iface_Table = null then
declare
Table : Tag_Array (1 .. 0);
begin
return Table;
end;
else
declare
Table : Tag_Array (1 .. Iface_Table.Nb_Ifaces);
begin
for J in 1 .. Iface_Table.Nb_Ifaces loop
Table (J) := Iface_Table.Ifaces_Table (J).Iface_Tag;
end loop;
return Table;
end;
end if;
end Interface_Ancestor_Tags;
end Loop_Optimization2;
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