xref: /aosp_15_r20/external/clang/test/CodeGenCXX/ms_struct.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck %s
2*67e74705SXin Li 
3*67e74705SXin Li // rdar://20636558
4*67e74705SXin Li 
5*67e74705SXin Li #pragma GCC diagnostic ignored "-Wincompatible-ms-struct"
6*67e74705SXin Li #define ATTR __attribute__((__ms_struct__))
7*67e74705SXin Li 
8*67e74705SXin Li struct ATTR VBase {
9*67e74705SXin Li   virtual void foo() = 0;
10*67e74705SXin Li };
11*67e74705SXin Li 
12*67e74705SXin Li struct ATTR Base : virtual VBase {
13*67e74705SXin Li   virtual void bar() = 0;
14*67e74705SXin Li };
15*67e74705SXin Li 
16*67e74705SXin Li struct ATTR Derived : Base {
17*67e74705SXin Li   Derived();
18*67e74705SXin Li   void foo();
19*67e74705SXin Li   void bar();
20*67e74705SXin Li   int value;
21*67e74705SXin Li };
22*67e74705SXin Li 
23*67e74705SXin Li // CHECK: [[DERIVED:%.*]] = type <{ [[BASE:%.*]], i32, [4 x i8] }>
24*67e74705SXin Li // CHECK: [[BASE]] = type { [[VBASE:%.*]] }
25*67e74705SXin Li // CHECK: [[VBASE]] = type { i32 (...)** }
26*67e74705SXin Li 
27*67e74705SXin Li // CHECK: define void @_ZN7DerivedC2Ev
28*67e74705SXin Li // CHECK:   [[SELF:%.*]] = load [[DERIVED]]*
29*67e74705SXin Li // CHECK:   [[T0:%.*]] = bitcast [[DERIVED]]* [[SELF]] to [[BASE]]*
30*67e74705SXin Li // CHECK:   call void @_ZN4BaseC2Ev([[BASE]]* [[T0]], i8**
31*67e74705SXin Li // CHECK:   [[T0:%.*]] = getelementptr inbounds {{.*}} [[SELF]], i32 0, i32 1
32*67e74705SXin Li // CHECK:   store i32 20, i32* [[T0]],
Derived()33*67e74705SXin Li Derived::Derived() : value(20) {}
34