xref: /llvm-project/clang/test/CodeGenCXX/mangle-ms-thunks-covariant.cpp (revision 3ab5a9cd1c826b627d6bcc775df824f637dd9e17)
1 // RUN: %clang_cc1 -fno-rtti-data -std=c++11 -fms-extensions -emit-llvm %s -o - -triple=x86_64-pc-win32 -fms-compatibility-version=19.00 | FileCheck %s --check-prefix=CHECK
2 
3 namespace t1 {
4 struct A {
5 public:
6   virtual ~A();
7   virtual A *f();
8 };
9 struct B {
10 public:
11   virtual ~B();
12 
13 private:
14   virtual B *f();
15 };
16 struct C : A, B {
17   virtual ~C();
18 
19 protected:
20   virtual C *f();
21 };
22 C c;
23 }
24 // Main external C::f impl:
25 // CHECK-DAG: "?f@C@t1@@MEAAPEAU12@XZ"
26 // New slot in C's vftable for B, returns C* directly:
27 // CHECK-DAG: "?f@C@t1@@O7EAAPEAU12@XZ"
28 // Return-adjusting thunk in C's vftable for B:
29 // CHECK-DAG: "?f@C@t1@@W7EAAPEAUB@2@XZ"
30