xref: /aosp_15_r20/external/clang/test/CodeGenCXX/vtable-key-function-win-comdat.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 %s -triple=x86_64-pc-windows-gnu -emit-llvm -o - | FileCheck %s
2*67e74705SXin Li 
3*67e74705SXin Li namespace std { class type_info; }
4*67e74705SXin Li extern void use(const std::type_info &rtti);
5*67e74705SXin Li 
6*67e74705SXin Li struct Test1a {
7*67e74705SXin Li   Test1a();
8*67e74705SXin Li   virtual void foo();
9*67e74705SXin Li   virtual void bar();
10*67e74705SXin Li };
11*67e74705SXin Li 
12*67e74705SXin Li // V-table needs to be defined weakly.
Test1a()13*67e74705SXin Li Test1a::Test1a() { use(typeid(Test1a)); }
14*67e74705SXin Li // This defines the key function.
foo()15*67e74705SXin Li inline void Test1a::foo() {}
16*67e74705SXin Li 
17*67e74705SXin Li // CHECK:     $_ZTV6Test1a = comdat any
18*67e74705SXin Li // CHECK:     $_ZTS6Test1a = comdat any
19*67e74705SXin Li // CHECK:     $_ZTI6Test1a = comdat any
20*67e74705SXin Li // CHECK-NOT: $_ZTS6Test1a.1 = comdat any
21*67e74705SXin Li // CHECK-NOT: $_ZTI6Test1a.1 = comdat any
22*67e74705SXin Li 
23*67e74705SXin Li // CHECK: @_ZTV6Test1a = linkonce_odr unnamed_addr constant {{.*}} ({ i8*, i8* }* @_ZTI6Test1a to i8*)
24*67e74705SXin Li // CHECK: @_ZTS6Test1a = linkonce_odr constant
25*67e74705SXin Li // CHECK: @_ZTI6Test1a = linkonce_odr constant {{.*}} [8 x i8]* @_ZTS6Test1a
26