52 lines · cpp
1// RUN: %clang_cc1 %s -triple %itanium_abi_triple -emit-llvm -o - | FileCheck %s2 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 19// basic_iostream's complete dtor calls its base dtor, then its20// virtual base's dtor.21// CHECK: define linkonce_odr {{.*}} @_ZN14basic_iostreamIcED1Ev(ptr {{.*}}%this) unnamed_addr22// CHECK: call {{.*}} @_ZN14basic_iostreamIcED2Ev23// CHECK: call {{.*}} @_ZN9basic_iosD2Ev24 25// basic_istream's complete dtor calls the base dtor,26// then its virtual base's base dtor.27// CHECK: define linkonce_odr {{.*}} @_ZN13basic_istreamIcED1Ev(ptr {{.*}}%this) unnamed_addr28// CHECK: call {{.*}} @_ZN13basic_istreamIcED2Ev29// CHECK: call {{.*}} @_ZN9basic_iosD2Ev30 31// basic_istream's deleting dtor calls the complete dtor, then32// operator delete().33// CHECK: define linkonce_odr {{.*}} @_ZN13basic_istreamIcED0Ev(ptr {{.*}}%this) unnamed_addr34// CHECK: call {{.*}} @_ZN13basic_istreamIcED1Ev35// CHECK: call {{.*}} @_ZdlPv36 37// basic_iostream's deleting dtor calls its complete dtor, then38// operator delete().39// CHECK: define linkonce_odr {{.*}} @_ZN14basic_iostreamIcED0Ev(ptr {{.*}}%this) unnamed_addr40// CHECK: call {{.*}} @_ZN14basic_iostreamIcED1Ev41// CHECK: call {{.*}} @_ZdlPv42 43// basic_istream's base dtor is a no-op.44// CHECK: define linkonce_odr {{.*}} @_ZN13basic_istreamIcED2Ev(ptr {{.*}}%this, ptr noundef %vtt) unnamed_addr45// CHECK-NOT: call46// CHECK: }47 48// basic_iostream's base dtor calls its non-virtual base dtor.49// CHECK: define linkonce_odr {{.*}} @_ZN14basic_iostreamIcED2Ev(ptr {{.*}}%this, ptr noundef %vtt) unnamed_addr50// CHECK: call {{.*}} @_ZN13basic_istreamIcED2Ev51// CHECK: }52