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// RUN: clang-cc %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
namespace {
struct A {
virtual void f() { }
};
}
void f() { A b; }
struct B {
B();
virtual void f();
};
B::B() { }
struct C {
C();
virtual void f() { }
};
C::C() { }
struct D {
virtual void f();
};
void D::f() { }
static struct : D { } e;
// B has a key function that is not defined in this translation unit so its vtable
// has external linkage.
// CHECK: @_ZTV1B = external constant
// C has no key function, so its vtable should have weak_odr linkage.
// CHECK: @_ZTS1C = weak_odr constant
// CHECK: @_ZTI1C = weak_odr constant
// CHECK: @_ZTV1C = weak_odr constant
// D has a key function that is defined in this translation unit so its vtable is
// defined in the translation unit.
// CHECK: @_ZTS1D = constant
// CHECK: @_ZTI1D = constant
// CHECK: @_ZTV1D = constant
// The anonymous struct for e has no linkage, so the vtable should have
// internal linkage.
// CHECK: @"_ZTS3$_0" = internal constant
// CHECK: @"_ZTI3$_0" = internal constant
// CHECK: @"_ZTV3$_0" = internal constant
// The A vtable should have internal linkage since it is inside an anonymous
// namespace.
// CHECK: @_ZTSN12_GLOBAL__N_11AE = internal constant
// CHECK: @_ZTIN12_GLOBAL__N_11AE = internal constant
// CHECK: @_ZTVN12_GLOBAL__N_11AE = internal constant
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