blob: 31afa0c669107a432a7c74be8e484ecbe2a27eaa [file] [log] [blame]
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fapple-kext -emit-llvm -o - %s | FileCheck %s
// CHECK: @_ZTV5TemplIiE = internal unnamed_addr constant { [5 x ptr] } { [5 x ptr] [ptr null, ptr @_ZTI5TemplIiE, ptr @_ZN5TemplIiE1fEv, ptr @_ZN5TemplIiE1gEv, ptr null] }
struct Base {
virtual void abc(void) const;
};
void Base::abc(void) const {}
void FUNC(Base* p) {
p->Base::abc();
}
// CHECK: getelementptr inbounds (ptr, ptr @_ZTV4Base, i64 2)
// CHECK-NOT: call void @_ZNK4Base3abcEv
template<class T>
struct Templ {
virtual void f() {}
virtual void g() {}
};
template<class T>
struct SubTempl : public Templ<T> {
virtual void f() {} // override
virtual void g() {} // override
};
void f(SubTempl<int>* t) {
// Qualified calls go through the (qualified) vtable in apple-kext mode.
// Since t's this pointer points to SubTempl's vtable, the call needs
// to load Templ<int>'s vtable. Hence, Templ<int>::g needs to be
// instantiated in this TU, for it's referenced by the vtable.
// (This happens only in apple-kext mode; elsewhere virtual calls can always
// use the vtable pointer off this instead of having to load the vtable
// symbol.)
t->Templ::f();
}
// CHECK: getelementptr inbounds (ptr, ptr @_ZTV5TemplIiE, i64 2)
// CHECK: define internal void @_ZN5TemplIiE1fEv(ptr {{[^,]*}} %this)
// CHECK: define internal void @_ZN5TemplIiE1gEv(ptr {{[^,]*}} %this)