xref: /aosp_15_r20/external/clang/test/CodeGenCXX/cxx11-vtable-key-function.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - -std=c++11 | FileCheck %s
2*67e74705SXin Li // PR13424
3*67e74705SXin Li 
4*67e74705SXin Li namespace Test1 {
5*67e74705SXin Li struct X {
6*67e74705SXin Li   virtual ~X(); // Key function.
7*67e74705SXin Li   virtual void f(); // Not a key function.
8*67e74705SXin Li };
9*67e74705SXin Li 
10*67e74705SXin Li X::~X() = default;
11*67e74705SXin Li 
12*67e74705SXin Li // Verify that the vtable is emitted.
13*67e74705SXin Li // CHECK-DAG: @_ZTVN5Test11XE = unnamed_addr constant
14*67e74705SXin Li }
15*67e74705SXin Li 
16*67e74705SXin Li namespace Test2 {
17*67e74705SXin Li struct X {
18*67e74705SXin Li   virtual ~X() = default; // Not a key function.
19*67e74705SXin Li   virtual void f(); // Key function.
20*67e74705SXin Li };
21*67e74705SXin Li 
f()22*67e74705SXin Li void X::f() {}
23*67e74705SXin Li 
24*67e74705SXin Li // Verify that the vtable is emitted.
25*67e74705SXin Li // CHECK-DAG: @_ZTVN5Test21XE = unnamed_addr constant
26*67e74705SXin Li }
27*67e74705SXin Li 
28*67e74705SXin Li namespace Test3 {
29*67e74705SXin Li struct X {
30*67e74705SXin Li   virtual ~X() = delete; // Not a key function.
31*67e74705SXin Li   virtual void f(); // Key function.
32*67e74705SXin Li };
33*67e74705SXin Li 
f()34*67e74705SXin Li void X::f() {}
35*67e74705SXin Li 
36*67e74705SXin Li // Verify that the vtable is emitted.
37*67e74705SXin Li // CHECK-DAG: @_ZTVN5Test31XE = unnamed_addr constant
38*67e74705SXin Li }
39