1 // RUN: %clang_cc1 -triple arm64-apple-ios -std=c++98 -fptrauth-calls -fapple-kext -fno-rtti -disable-O0-optnone -emit-llvm -o - %s | FileCheck %s
2
3 // CHECK: @_ZTV5TemplIiE = internal unnamed_addr constant { [7 x ptr] } { [7 x ptr] [ptr null, ptr null, ptr ptrauth (ptr @_ZN5TemplIiED1Ev, i32 0, i64 57986, ptr getelementptr inbounds ({ [7 x ptr] }, ptr @_ZTV5TemplIiE, i32 0, i32 0, i32 2)), ptr ptrauth (ptr @_ZN5TemplIiED0Ev, i32 0, i64 22856, ptr getelementptr inbounds ({ [7 x ptr] }, ptr @_ZTV5TemplIiE, i32 0, i32 0, i32 3)), ptr ptrauth (ptr @_ZN5TemplIiE1fEv, i32 0, i64 22189, ptr getelementptr inbounds ({ [7 x ptr] }, ptr @_ZTV5TemplIiE, i32 0, i32 0, i32 4)), ptr ptrauth (ptr @_ZN5TemplIiE1gEv, i32 0, i64 9912, ptr getelementptr inbounds ({ [7 x ptr] }, ptr @_ZTV5TemplIiE, i32 0, i32 0, i32 5)), ptr null] }, align 8
4
5 struct B1 {
6 virtual ~B1();
7 };
8
~B1()9 B1::~B1() {}
10
DELETE(B1 * pb1)11 void DELETE(B1 *pb1) {
12 pb1->B1::~B1();
13 }
14 // CHECK-LABEL: define void @_ZN2B1D0Ev
15 // CHECK: [[T1:%.*]] = load ptr, ptr getelementptr inbounds (ptr, ptr @_ZTV2B1, i64 2)
16 // CHECK-NEXT: [[B1:%.*]] = call i64 @llvm.ptrauth.blend(i64 ptrtoint (ptr getelementptr inbounds (ptr, ptr @_ZTV2B1, i64 2) to i64), i64 14635)
17 // CHECK-NEXT: call noundef ptr [[T1]](ptr noundef nonnull align 8 dereferenceable(8) [[T2:%.*]]) [ "ptrauth"(i32 0, i64 [[B1]]) ]
18 // CHECK-LABEL: define void @_Z6DELETEP2B1
19 // CHECK: [[T3:%.*]] = load ptr, ptr getelementptr inbounds (ptr, ptr @_ZTV2B1, i64 2)
20 // CHECK-NEXT: [[B3:%.*]] = call i64 @llvm.ptrauth.blend(i64 ptrtoint (ptr getelementptr inbounds (ptr, ptr @_ZTV2B1, i64 2) to i64), i64 14635)
21 // CHECK-NEXT: call noundef ptr [[T3]](ptr noundef nonnull align 8 dereferenceable(8) [[T4:%.*]]) [ "ptrauth"(i32 0, i64 [[B3]])
22
23 template<class T>
24 struct Templ {
25 virtual ~Templ(); // Out-of-line so that the destructor doesn't cause a vtable
fTempl26 virtual void f() {}
gTempl27 virtual void g() {}
28 };
29 template<class T>
30 struct SubTempl : public Templ<T> {
~SubTemplSubTempl31 virtual ~SubTempl() {} // override
fSubTempl32 virtual void f() {} // override
gSubTempl33 virtual void g() {} // override
34 };
35
f(SubTempl<int> * t)36 void f(SubTempl<int>* t) {
37 // Qualified calls go through the (qualified) vtable in apple-kext mode.
38 // Since t's this pointer points to SubTempl's vtable, the call needs
39 // to load Templ<int>'s vtable. Hence, Templ<int>::g needs to be
40 // instantiated in this TU, for it's referenced by the vtable.
41 // (This happens only in apple-kext mode; elsewhere virtual calls can always
42 // use the vtable pointer off this instead of having to load the vtable
43 // symbol.)
44 t->Templ::~Templ();
45 }
46
47 // CHECK: getelementptr inbounds (ptr, ptr @_ZTV5TemplIiE, i64 2)
48 // CHECK: declare void @_ZN5TemplIiED0Ev(ptr noundef nonnull align 8 dereferenceable(8))
49 // CHECK: define internal void @_ZN5TemplIiE1fEv(ptr noundef nonnull align 8 dereferenceable(8) %this)
50 // CHECK: define internal void @_ZN5TemplIiE1gEv(ptr noundef nonnull align 8 dereferenceable(8) %this)
51