clang/test/CodeGenCXX/mangle-ms-thunks-covariant.cpp

   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"