blob: b6e85e208b154671199076f6c70fc318ccd7e6a7 [file] [log] [blame]
Daniel Dunbara5728872009-12-15 20:14:24 +00001// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
Fariborz Jahanianabce6992009-11-30 22:07:56 +00002
3struct basic_ios{~basic_ios(); };
4
5template<typename _CharT> struct basic_istream : virtual public basic_ios {
6 virtual ~basic_istream(){}
7};
8
9template<typename _CharT> struct basic_iostream : public basic_istream<_CharT>
10{
11 virtual ~basic_iostream(){}
12};
13
14basic_iostream<char> res;
15
16int main() {
17}
18
John McCall3b477332010-02-18 19:59:28 +000019// basic_iostream's complete dtor calls its base dtor, then its
20// virtual base's dtor.
21// CHECK: define linkonce_odr void @_ZN14basic_iostreamIcED1Ev
22// CHECK: call void @_ZN14basic_iostreamIcED2Ev
23// CHECK: call void @_ZN9basic_iosD2Ev
24
25// basic_iostream's deleting dtor calls its complete dtor, then
26// operator delete().
27// CHECK: define linkonce_odr void @_ZN14basic_iostreamIcED0Ev
28// CHECK: call void @_ZN14basic_iostreamIcED1Ev
29// CHECK: call void @_ZdlPv
30
31// basic_istream's complete dtor calls the base dtor,
32// then its virtual base's base dtor.
33// CHECK: define linkonce_odr void @_ZN13basic_istreamIcED1Ev
34// CHECK: call void @_ZN13basic_istreamIcED2Ev
35// CHECK: call void @_ZN9basic_iosD2Ev
36
37// basic_istream's deleting dtor calls the complete dtor, then
38// operator delete().
39// CHECK: define linkonce_odr void @_ZN13basic_istreamIcED0Ev
40// CHECK: call void @_ZN13basic_istreamIcED1Ev
41// CHECK: call void @_ZdlPv
42
43// basic_iostream's base dtor calls its non-virtual base dtor.
44// CHECK: define linkonce_odr void @_ZN14basic_iostreamIcED2Ev
45// CHECK: call void @_ZN13basic_istreamIcED2Ev
46// CHECK: }
47
48// basic_istream's base dtor is a no-op.
49// CHECK: define linkonce_odr void @_ZN13basic_istreamIcED2Ev
50// CHECK-NOT: call
51// CHECK: }