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// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm-only -fdump-vtable-layouts 2>&1 | FileCheck %s
/// Examples from the Itanium C++ ABI specification.
/// http://www.codesourcery.com/public/cxx-abi/
namespace Test1 {
// This is from http://www.codesourcery.com/public/cxx-abi/cxx-vtable-ex.html
// CHECK: Vtable for 'Test1::A' (5 entries).
// CHECK-NEXT: 0 | offset_to_top (0)
// CHECK-NEXT: 1 | Test1::A RTTI
// CHECK-NEXT: -- (Test1::A, 0) vtable address --
// CHECK-NEXT: 2 | void Test1::A::f()
// CHECK-NEXT: 3 | void Test1::A::g()
// CHECK-NEXT: 4 | void Test1::A::h()
struct A {
virtual void f ();
virtual void g ();
virtual void h ();
int ia;
};
void A::f() {}
// CHECK: Vtable for 'Test1::B' (13 entries).
// CHECK-NEXT: 0 | vbase_offset (16)
// CHECK-NEXT: 1 | offset_to_top (0)
// CHECK-NEXT: 2 | Test1::B RTTI
// CHECK-NEXT: -- (Test1::B, 0) vtable address --
// CHECK-NEXT: 3 | void Test1::B::f()
// CHECK-NEXT: 4 | void Test1::B::h()
// CHECK-NEXT: 5 | vcall_offset (-16)
// CHECK-NEXT: 6 | vcall_offset (0)
// CHECK-NEXT: 7 | vcall_offset (-16)
// CHECK-NEXT: 8 | offset_to_top (-16)
// CHECK-NEXT: 9 | Test1::B RTTI
// CHECK-NEXT: -- (Test1::A, 16) vtable address --
// CHECK-NEXT: 10 | void Test1::B::f()
// CHECK-NEXT: [this adjustment: 0 non-virtual, -24 vcall offset offset]
// CHECK-NEXT: 11 | void Test1::A::g()
// CHECK-NEXT: 12 | void Test1::B::h()
// CHECK-NEXT: [this adjustment: 0 non-virtual, -40 vcall offset offset]
struct B: public virtual A {
void f ();
void h ();
int ib;
};
void B::f() {}
// CHECK: Vtable for 'Test1::C' (13 entries).
// CHECK-NEXT: 0 | vbase_offset (16)
// CHECK-NEXT: 1 | offset_to_top (0)
// CHECK-NEXT: 2 | Test1::C RTTI
// CHECK-NEXT: -- (Test1::C, 0) vtable address --
// CHECK-NEXT: 3 | void Test1::C::g()
// CHECK-NEXT: 4 | void Test1::C::h()
// CHECK-NEXT: 5 | vcall_offset (-16)
// CHECK-NEXT: 6 | vcall_offset (-16)
// CHECK-NEXT: 7 | vcall_offset (0)
// CHECK-NEXT: 8 | offset_to_top (-16)
// CHECK-NEXT: 9 | Test1::C RTTI
// CHECK-NEXT: -- (Test1::A, 16) vtable address --
// CHECK-NEXT: 10 | void Test1::A::f()
// CHECK-NEXT: 11 | void Test1::C::g()
// CHECK-NEXT: [this adjustment: 0 non-virtual, -32 vcall offset offset]
// CHECK-NEXT: 12 | void Test1::C::h()
// CHECK-NEXT: [this adjustment: 0 non-virtual, -40 vcall offset offset]
struct C: public virtual A {
void g ();
void h ();
int ic;
};
void C::g() {}
}
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