1 // RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fapple-kext -emit-llvm -o - %s | FileCheck %s
2
3 // CHECK: @_ZTV5TemplIiE = internal unnamed_addr constant { [5 x ptr] } { [5 x ptr] [ptr null, ptr @_ZTI5TemplIiE, ptr ptrauth (ptr @_ZN5TemplIiE1fEv, i32 0, i64 22189, ptr getelementptr inbounds ({ [5 x ptr] }, ptr @_ZTV5TemplIiE, i32 0, i32 0, i32 2)), ptr ptrauth (ptr @_ZN5TemplIiE1gEv, i32 0, i64 9912, ptr getelementptr inbounds ({ [5 x ptr] }, ptr @_ZTV5TemplIiE, i32 0, i32 0, i32 3)), ptr null] }, align 8
4
5 struct Base {
6 virtual void abc(void) const;
7 };
8
abc(void) const9 void Base::abc(void) const {}
10
FUNC(Base * p)11 void FUNC(Base* p) {
12 p->Base::abc();
13 }
14
15 // CHECK: getelementptr inbounds (ptr, ptr @_ZTV4Base, i64 2)
16 // CHECK-NOT: call void @_ZNK4Base3abcEv
17
18 template<class T>
19 struct Templ {
fTempl20 virtual void f() {}
gTempl21 virtual void g() {}
22 };
23 template<class T>
24 struct SubTempl : public Templ<T> {
fSubTempl25 virtual void f() {} // override
gSubTempl26 virtual void g() {} // override
27 };
28
f(SubTempl<int> * t)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 (ptr, ptr @_ZTV5TemplIiE, i64 2)
41 // CHECK: define internal void @_ZN5TemplIiE1fEv(ptr noundef nonnull align {{[0-9]+}} dereferenceable(8) %this)
42 // CHECK: define internal void @_ZN5TemplIiE1gEv(ptr noundef nonnull align {{[0-9]+}} dereferenceable(8) %this)
43