1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fapple-kext -emit-llvm -o - %s | FileCheck %s 2 3 // CHECK: @_ZTV5TemplIiE = internal unnamed_addr constant [5 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI5TemplIiE to i8*), i8* bitcast (void (%struct.Templ*)* @_ZN5TemplIiE1fEv to i8*), i8* bitcast (void (%struct.Templ*)* @_ZN5TemplIiE1gEv to i8*), i8* null] 4 5 struct Base { 6 virtual void abc(void) const; 7 }; 8 9 void Base::abc(void) const {} 10 11 void FUNC(Base* p) { 12 p->Base::abc(); 13 } 14 15 // CHECK: getelementptr inbounds (void (%struct.Base*)*, void (%struct.Base*)** bitcast ([4 x i8*]* @_ZTV4Base to void (%struct.Base*)**), i64 2) 16 // CHECK-NOT: call void @_ZNK4Base3abcEv 17 18 template<class T> 19 struct Templ { 20 virtual void f() {} 21 virtual void g() {} 22 }; 23 template<class T> 24 struct SubTempl : public Templ<T> { 25 virtual void f() {} // override 26 virtual void g() {} // override 27 }; 28 29 void f(SubTempl<int>* t) { 30 // Qualified calls go through the (qualified) vtable in apple-kext mode. 31 // Since t's this pointer points to SubTempl's vtable, the call needs 32 // to load Templ<int>'s vtable. Hence, Templ<int>::g needs to be 33 // instantiated in this TU, for it's referenced by the vtable. 34 // (This happens only in apple-kext mode; elsewhere virtual calls can always 35 // use the vtable pointer off this instead of having to load the vtable 36 // symbol.) 37 t->Templ::f(); 38 } 39 40 // CHECK: getelementptr inbounds (void (%struct.Templ*)*, void (%struct.Templ*)** bitcast ([5 x i8*]* @_ZTV5TemplIiE to void (%struct.Templ*)**), i64 2) 41 // CHECK: define internal void @_ZN5TemplIiE1fEv(%struct.Templ* %this) 42 // CHECK: define internal void @_ZN5TemplIiE1gEv(%struct.Templ* %this) 43
