1 // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
2
3 struct basic_ios{~basic_ios(); };
4
5 template<typename _CharT> struct basic_istream : virtual public basic_ios {
~basic_istreambasic_istream6 virtual ~basic_istream(){}
7 };
8
9 template<typename _CharT> struct basic_iostream : public basic_istream<_CharT>
10 {
~basic_iostreambasic_iostream11 virtual ~basic_iostream(){}
12 };
13
14 basic_iostream<char> res;
15
main()16 int main() {
17 }
18
19 // basic_iostream's complete dtor calls its base dtor, then its
20 // virtual base's dtor.
21 // CHECK: define linkonce_odr {{.*}} @_ZN14basic_iostreamIcED1Ev(%struct.basic_iostream* {{.*}}%this) unnamed_addr
22 // CHECK: call {{.*}} @_ZN14basic_iostreamIcED2Ev
23 // CHECK: call {{.*}} @_ZN9basic_iosD2Ev
24
25 // basic_iostream's base dtor calls its non-virtual base dtor.
26 // CHECK: define linkonce_odr {{.*}} @_ZN14basic_iostreamIcED2Ev(%struct.basic_iostream* {{.*}}%this, i8** %vtt) unnamed_addr
27 // CHECK: call {{.*}} @_ZN13basic_istreamIcED2Ev
28 // CHECK: }
29
30 // basic_iostream's deleting dtor calls its complete dtor, then
31 // operator delete().
32 // CHECK: define linkonce_odr {{.*}} @_ZN14basic_iostreamIcED0Ev(%struct.basic_iostream* {{.*}}%this) unnamed_addr
33 // CHECK: call {{.*}} @_ZN14basic_iostreamIcED1Ev
34 // CHECK: call {{.*}} @_ZdlPv
35
36 // basic_istream's complete dtor calls the base dtor,
37 // then its virtual base's base dtor.
38 // CHECK: define linkonce_odr {{.*}} @_ZN13basic_istreamIcED1Ev(%struct.basic_istream* {{.*}}%this) unnamed_addr
39 // CHECK: call {{.*}} @_ZN13basic_istreamIcED2Ev
40 // CHECK: call {{.*}} @_ZN9basic_iosD2Ev
41
42 // basic_istream's deleting dtor calls the complete dtor, then
43 // operator delete().
44 // CHECK: define linkonce_odr {{.*}} @_ZN13basic_istreamIcED0Ev(%struct.basic_istream* {{.*}}%this) unnamed_addr
45 // CHECK: call {{.*}} @_ZN13basic_istreamIcED1Ev
46 // CHECK: call {{.*}} @_ZdlPv
47
48 // basic_istream's base dtor is a no-op.
49 // CHECK: define linkonce_odr {{.*}} @_ZN13basic_istreamIcED2Ev(%struct.basic_istream* {{.*}}%this, i8** %vtt) unnamed_addr
50 // CHECK-NOT: call
51 // CHECK: }
52