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
5struct Base {
6  virtual void abc(void) const;
7};
8
9void Base::abc(void) const {}
10
11void 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
18template<class T>
19struct Templ {
20  virtual void f() {}
21  virtual void g() {}
22};
23template<class T>
24struct SubTempl : public Templ<T> {
25  virtual void f() {} // override
26  virtual void g() {} // override
27};
28
29void 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