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      1 // RUN: %clang_cc1 %s -triple %itanium_abi_triple -emit-llvm -o - | FileCheck %s
      2 
      3 struct basic_ios{~basic_ios(); };
      4 
      5 template<typename _CharT> struct basic_istream : virtual public basic_ios {
      6   virtual ~basic_istream(){}
      7 };
      8 
      9 template<typename _CharT> struct basic_iostream : public basic_istream<_CharT>
     10 {
     11   virtual ~basic_iostream(){}
     12 };
     13 
     14 basic_iostream<char> res;
     15 
     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_istream's complete dtor calls the base dtor,
     31 // then its virtual base's base dtor.
     32 //  CHECK: define linkonce_odr {{.*}} @_ZN13basic_istreamIcED1Ev(%struct.basic_istream* {{.*}}%this) unnamed_addr
     33 //  CHECK: call {{.*}} @_ZN13basic_istreamIcED2Ev
     34 //  CHECK: call {{.*}} @_ZN9basic_iosD2Ev
     35 
     36 // basic_istream's deleting dtor calls the complete dtor, then
     37 // operator delete().
     38 //  CHECK: define linkonce_odr {{.*}} @_ZN13basic_istreamIcED0Ev(%struct.basic_istream* {{.*}}%this) unnamed_addr
     39 //  CHECK: call {{.*}} @_ZN13basic_istreamIcED1Ev
     40 //  CHECK: call {{.*}} @_ZdlPv
     41 
     42 // basic_iostream's deleting dtor calls its complete dtor, then
     43 // operator delete().
     44 //  CHECK: define linkonce_odr {{.*}} @_ZN14basic_iostreamIcED0Ev(%struct.basic_iostream* {{.*}}%this) unnamed_addr
     45 //  CHECK: call {{.*}} @_ZN14basic_iostreamIcED1Ev
     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