36 lines
872 B
C++
36 lines
872 B
C++
|
// RUN: %clang_cc1 %s -fno-rtti -triple=i386-pc-win32 -emit-llvm -o %t.ll -fdump-vtable-layouts >%t
|
||
|
|
// RUN: FileCheck %s < %t
|
||
|
|
// RUN: FileCheck --check-prefix=MANGLING %s < %t.ll
|
||
|
|
|
||
|
|
struct A {
|
||
|
|
virtual void f();
|
||
|
|
};
|
||
|
|
|
||
|
|
struct B {
|
||
|
|
virtual void g() = 0;
|
||
|
|
virtual void h();
|
||
|
|
};
|
||
|
|
|
||
|
|
struct C : A, B {
|
||
|
|
// CHECK-LABEL: VFTable for 'A' in 'C' (1 entry)
|
||
|
|
// CHECK-NEXT: 0 | void A::f()
|
||
|
|
|
||
|
|
// CHECK-LABEL: VFTable for 'B' in 'C' (2 entries)
|
||
|
|
// CHECK-NEXT: 0 | void C::g()
|
||
|
|
// CHECK-NEXT: 1 | void B::h()
|
||
|
|
|
||
|
|
// CHECK-LABEL: VFTable indices for 'C' (1 entry).
|
||
|
|
// CHECK-NEXT: via vfptr at offset 4
|
||
|
|
// CHECK-NEXT: 0 | void C::g()
|
||
|
|
|
||
|
|
// MANGLING-DAG: @"??_7C@@6BA@@@"
|
||
|
|
// MANGLING-DAG: @"??_7C@@6BB@@@"
|
||
|
|
|
||
|
|
// Overrides only the right child's method (B::g),
|
||
|
|
// needs this adjustment but not thunks.
|
||
|
|
virtual void g();
|
||
|
|
};
|
||
|
|
|
||
|
|
C c;
|
||
|
|
void build_vftable(C *obj) { obj->g(); }
|