forked from OSchip/llvm-project
59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
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namespace {
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struct A {
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virtual void f() { }
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};
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}
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void f() { A b; }
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struct B {
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B();
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virtual void f();
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};
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B::B() { }
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struct C {
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C();
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virtual void f() { }
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};
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C::C() { }
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struct D {
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virtual void f();
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};
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void D::f() { }
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static struct : D { } e;
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// B has a key function that is not defined in this translation unit so its vtable
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// has external linkage.
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// CHECK: @_ZTV1B = external constant
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// C has no key function, so its vtable should have weak_odr linkage.
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// CHECK: @_ZTS1C = weak_odr constant
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// CHECK: @_ZTI1C = weak_odr constant
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// CHECK: @_ZTV1C = weak_odr constant
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// D has a key function that is defined in this translation unit so its vtable is
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// defined in the translation unit.
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// CHECK: @_ZTS1D = constant
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// CHECK: @_ZTI1D = constant
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// CHECK: @_ZTV1D = constant
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// The anonymous struct for e has no linkage, so the vtable should have
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// internal linkage.
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// CHECK: @"_ZTS3$_0" = internal constant
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// CHECK: @"_ZTI3$_0" = internal constant
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// CHECK: @"_ZTV3$_0" = internal constant
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// The A vtable should have internal linkage since it is inside an anonymous
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// namespace.
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// CHECK: @_ZTSN12_GLOBAL__N_11AE = internal constant
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// CHECK: @_ZTIN12_GLOBAL__N_11AE = internal constant
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// CHECK: @_ZTVN12_GLOBAL__N_11AE = internal constant
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