| // 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 |
| |
| // 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 |
| |
| struct B1 { |
| virtual ~B1(); |
| }; |
| |
| B1::~B1() {} |
| |
| void DELETE(B1 *pb1) { |
| pb1->B1::~B1(); |
| } |
| // CHECK-LABEL: define void @_ZN2B1D0Ev |
| // CHECK: [[T1:%.*]] = load ptr, ptr getelementptr inbounds (ptr, ptr @_ZTV2B1, i64 2) |
| // CHECK-NEXT: [[B1:%.*]] = call i64 @llvm.ptrauth.blend(i64 ptrtoint (ptr getelementptr inbounds (ptr, ptr @_ZTV2B1, i64 2) to i64), i64 14635) |
| // CHECK-NEXT: call noundef ptr [[T1]](ptr noundef nonnull align 8 dereferenceable(8) [[T2:%.*]]) [ "ptrauth"(i32 0, i64 [[B1]]) ] |
| // CHECK-LABEL: define void @_Z6DELETEP2B1 |
| // CHECK: [[T3:%.*]] = load ptr, ptr getelementptr inbounds (ptr, ptr @_ZTV2B1, i64 2) |
| // CHECK-NEXT: [[B3:%.*]] = call i64 @llvm.ptrauth.blend(i64 ptrtoint (ptr getelementptr inbounds (ptr, ptr @_ZTV2B1, i64 2) to i64), i64 14635) |
| // CHECK-NEXT: call noundef ptr [[T3]](ptr noundef nonnull align 8 dereferenceable(8) [[T4:%.*]]) [ "ptrauth"(i32 0, i64 [[B3]]) |
| |
| template<class T> |
| struct Templ { |
| virtual ~Templ(); // Out-of-line so that the destructor doesn't cause a vtable |
| virtual void f() {} |
| virtual void g() {} |
| }; |
| template<class T> |
| struct SubTempl : public Templ<T> { |
| virtual ~SubTempl() {} // override |
| 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::~Templ(); |
| } |
| |
| // CHECK: getelementptr inbounds (ptr, ptr @_ZTV5TemplIiE, i64 2) |
| // CHECK: declare void @_ZN5TemplIiED0Ev(ptr noundef nonnull align 8 dereferenceable(8)) |
| // CHECK: define internal void @_ZN5TemplIiE1fEv(ptr noundef nonnull align 8 dereferenceable(8) %this) |
| // CHECK: define internal void @_ZN5TemplIiE1gEv(ptr noundef nonnull align 8 dereferenceable(8) %this) |