1 // RUN: %clang_cc1 %s -fno-rtti -triple=i386-pc-win32 -emit-llvm -o %t.ll -fdump-vtable-layouts >%t
2 // RUN: FileCheck %s < %t
3 // RUN: FileCheck --check-prefix=MANGLING %s < %t.ll
4 
5 struct A {
6   virtual void f();
7 };
8 
9 struct B {
10   virtual void g() = 0;
11   virtual void h();
12 };
13 
14 struct C : A, B {
15   // CHECK-LABEL: VFTable for 'A' in 'C' (1 entry)
16   // CHECK-NEXT:   0 | void A::f()
17 
18   // CHECK-LABEL: VFTable for 'B' in 'C' (2 entries)
19   // CHECK-NEXT:   0 | void C::g()
20   // CHECK-NEXT:   1 | void B::h()
21 
22   // CHECK-LABEL: VFTable indices for 'C' (1 entry).
23   // CHECK-NEXT:   via vfptr at offset 4
24   // CHECK-NEXT:   0 | void C::g()
25 
26   // MANGLING-DAG: @"\01??_7C@@6BA@@@"
27   // MANGLING-DAG: @"\01??_7C@@6BB@@@"
28 
29   // Overrides only the right child's method (B::g),
30   // needs this adjustment but not thunks.
31   virtual void g();
32 };
33 
34 C c;
35 void build_vftable(C *obj) { obj->g(); }
36