xref: /llvm-project/clang/test/CodeGenCXX/ms_struct.cpp (revision 0f1c1be1968076d6f96f8a7bcc4a15cf195ecd97) 
1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck %s
2 
3 #pragma GCC diagnostic ignored "-Wincompatible-ms-struct"
4 #define ATTR __attribute__((__ms_struct__))
5 
6 struct ATTR VBase {
7   virtual void foo() = 0;
8 };
9 
10 struct ATTR Base : virtual VBase {
11   virtual void bar() = 0;
12 };
13 
14 struct ATTR Derived : Base {
15   Derived();
16   void foo();
17   void bar();
18   int value;
19 };
20 
21 // CHECK: [[DERIVED:%.*]] = type <{ [[BASE:%.*]], i32, [4 x i8] }>
22 // CHECK: [[BASE]] = type { [[VBASE:%.*]] }
23 // CHECK: [[VBASE]] = type { ptr }
24 
25 // CHECK: define{{.*}} void @_ZN7DerivedC2Ev
26 // CHECK:   [[SELF:%.*]] = load ptr
27 // CHECK:   call void @_ZN4BaseC2Ev(ptr {{[^,]*}} [[SELF]], ptr
28 // CHECK:   [[T0:%.*]] = getelementptr inbounds {{.*}} [[SELF]], i32 0, i32 1
29 // CHECK:   store i32 20, ptr [[T0]],
Derived()30 Derived::Derived() : value(20) {}
31