forked from OSchip/llvm-project
981 lines
28 KiB
C++
981 lines
28 KiB
C++
// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm-only -fdump-vtable-layouts 2>&1 | FileCheck %s
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// For now, just verify this doesn't crash.
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namespace test0 {
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struct Obj {};
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struct Base { virtual const Obj *foo() = 0; };
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struct Derived : Base { virtual Obj *foo() { return new Obj(); } };
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void test(Derived *D) { D->foo(); }
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}
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namespace Test1 {
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// CHECK: Vtable for 'Test1::A' (3 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test1::A RTTI
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// CHECK-NEXT: -- (Test1::A, 0) vtable address --
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// CHECK-NEXT: 2 | void Test1::A::f()
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struct A {
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virtual void f();
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};
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void A::f() { }
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}
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namespace Test2 {
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// This is a smoke test of the vtable dumper.
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// CHECK: Vtable for 'Test2::A' (9 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test2::A RTTI
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// CHECK-NEXT: -- (Test2::A, 0) vtable address --
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// CHECK-NEXT: 2 | void Test2::A::f()
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// CHECK-NEXT: 3 | void Test2::A::f() const
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// CHECK-NEXT: 4 | Test2::A *Test2::A::g(int)
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// CHECK-NEXT: 5 | Test2::A::~A() [complete]
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// CHECK-NEXT: 6 | Test2::A::~A() [deleting]
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// CHECK-NEXT: 7 | void Test2::A::h()
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// CHECK-NEXT: 8 | Test2::A &Test2::A::operator=(Test2::A const &)
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struct A {
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virtual void f();
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virtual void f() const;
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virtual A* g(int a);
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virtual ~A();
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virtual void h();
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virtual A& operator=(const A&);
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};
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void A::f() { }
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// Another simple vtable dumper test.
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// CHECK: Vtable for 'Test2::B' (6 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test2::B RTTI
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// CHECK-NEXT: -- (Test2::B, 0) vtable address --
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// CHECK-NEXT: 2 | void Test2::B::f()
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// CHECK-NEXT: 3 | void Test2::B::g() [pure]
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// CHECK-NEXT: 4 | Test2::B::~B() [complete] [pure]
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// CHECK-NEXT: 5 | Test2::B::~B() [deleting] [pure]
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struct B {
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virtual void f();
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virtual void g() = 0;
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virtual ~B() = 0;
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};
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void B::f() { }
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}
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namespace Test3 {
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// If a function in a derived class overrides a function in a primary base,
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// then the function should not have an entry in the derived class (unless the return
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// value requires adjusting).
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// CHECK: Vtable for 'Test3::A' (3 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test3::A RTTI
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// CHECK-NEXT: -- (Test3::A, 0) vtable address --
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// CHECK-NEXT: 2 | void Test3::A::f()
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struct A {
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virtual void f();
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};
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void A::f() { }
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// CHECK: Vtable for 'Test3::B' (4 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test3::B RTTI
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// CHECK-NEXT: -- (Test3::A, 0) vtable address --
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// CHECK-NEXT: -- (Test3::B, 0) vtable address --
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// CHECK-NEXT: 2 | void Test3::B::f()
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// CHECK-NEXT: 3 | void Test3::B::g()
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struct B : A {
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virtual void f();
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virtual void g();
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};
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void B::f() { }
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// CHECK: Vtable for 'Test3::C' (5 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test3::C RTTI
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// CHECK-NEXT: -- (Test3::A, 0) vtable address --
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// CHECK-NEXT: -- (Test3::C, 0) vtable address --
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// CHECK-NEXT: 2 | void Test3::A::f()
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// CHECK-NEXT: 3 | void Test3::C::g()
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// CHECK-NEXT: 4 | void Test3::C::h()
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struct C : A {
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virtual void g();
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virtual void h();
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};
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void C::g() { }
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// CHECK: Vtable for 'Test3::D' (5 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test3::D RTTI
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// CHECK-NEXT: -- (Test3::A, 0) vtable address --
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// CHECK-NEXT: -- (Test3::B, 0) vtable address --
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// CHECK-NEXT: -- (Test3::D, 0) vtable address --
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// CHECK-NEXT: 2 | void Test3::D::f()
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// CHECK-NEXT: 3 | void Test3::D::g()
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// CHECK-NEXT: 4 | void Test3::D::h()
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struct D : B {
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virtual void f();
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virtual void g();
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virtual void h();
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};
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void D::f() { }
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}
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namespace Test4 {
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// Test non-virtual result adjustments.
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struct R1 { int r1; };
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struct R2 { int r2; };
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struct R3 : R1, R2 { int r3; };
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struct A {
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virtual R2 *f();
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};
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// CHECK: Vtable for 'Test4::B' (4 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test4::B RTTI
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// CHECK-NEXT: -- (Test4::A, 0) vtable address --
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// CHECK-NEXT: -- (Test4::B, 0) vtable address --
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// CHECK-NEXT: 2 | Test4::R3 *Test4::B::f()
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// CHECK-NEXT: [return adjustment: 4 non-virtual]
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// CHECK-NEXT: 3 | Test4::R3 *Test4::B::f()
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struct B : A {
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virtual R3 *f();
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};
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R3 *B::f() { return 0; }
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// Test virtual result adjustments.
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struct V1 { int v1; };
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struct V2 : virtual V1 { int v1; };
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struct C {
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virtual V1 *f();
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};
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// CHECK: Vtable for 'Test4::D' (4 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test4::D RTTI
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// CHECK-NEXT: -- (Test4::C, 0) vtable address --
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// CHECK-NEXT: -- (Test4::D, 0) vtable address --
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// CHECK-NEXT: 2 | Test4::V2 *Test4::D::f()
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// CHECK-NEXT: [return adjustment: 0 non-virtual, -24 vbase offset offset]
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// CHECK-NEXT: 3 | Test4::V2 *Test4::D::f()
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struct D : C {
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virtual V2 *f();
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};
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V2 *D::f() { return 0; };
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// Virtual result adjustments with an additional non-virtual adjustment.
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struct V3 : virtual R3 { int r3; };
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// CHECK: Vtable for 'Test4::E' (4 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test4::E RTTI
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// CHECK-NEXT: -- (Test4::A, 0) vtable address --
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// CHECK-NEXT: -- (Test4::E, 0) vtable address --
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// CHECK-NEXT: 2 | Test4::V3 *Test4::E::f()
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// CHECK-NEXT: [return adjustment: 4 non-virtual, -24 vbase offset offset]
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// CHECK-NEXT: 3 | Test4::V3 *Test4::E::f()
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struct E : A {
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virtual V3 *f();
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};
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V3 *E::f() { return 0;}
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// Test that a pure virtual member doesn't get a thunk.
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// CHECK: Vtable for 'Test4::F' (5 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test4::F RTTI
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// CHECK-NEXT: -- (Test4::A, 0) vtable address --
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// CHECK-NEXT: -- (Test4::F, 0) vtable address --
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// CHECK-NEXT: 2 | Test4::R3 *Test4::F::f() [pure]
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// CHECK-NEXT: 3 | void Test4::F::g()
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// CHECK-NEXT: 4 | Test4::R3 *Test4::F::f() [pure]
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struct F : A {
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virtual void g();
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virtual R3 *f() = 0;
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};
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void F::g() { }
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}
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namespace Test5 {
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// Simple secondary vtables without 'this' pointer adjustments.
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struct A {
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virtual void f();
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virtual void g();
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int a;
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};
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struct B1 : A {
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virtual void f();
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int b1;
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};
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struct B2 : A {
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virtual void g();
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int b2;
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};
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// CHECK: Vtable for 'Test5::C' (9 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test5::C RTTI
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// CHECK-NEXT: -- (Test5::A, 0) vtable address --
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// CHECK-NEXT: -- (Test5::B1, 0) vtable address --
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// CHECK-NEXT: -- (Test5::C, 0) vtable address --
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// CHECK-NEXT: 2 | void Test5::B1::f()
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// CHECK-NEXT: 3 | void Test5::A::g()
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// CHECK-NEXT: 4 | void Test5::C::h()
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// CHECK-NEXT: 5 | offset_to_top (-16)
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// CHECK-NEXT: 6 | Test5::C RTTI
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// CHECK-NEXT: -- (Test5::A, 16) vtable address --
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// CHECK-NEXT: -- (Test5::B2, 16) vtable address --
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// CHECK-NEXT: 7 | void Test5::A::f()
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// CHECK-NEXT: 8 | void Test5::B2::g()
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struct C : B1, B2 {
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virtual void h();
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};
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void C::h() { }
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}
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namespace Test6 {
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// Simple non-virtual 'this' pointer adjustments.
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struct A1 {
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virtual void f();
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int a;
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};
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struct A2 {
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virtual void f();
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int a;
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};
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// CHECK: Vtable for 'Test6::C' (6 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test6::C RTTI
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// CHECK-NEXT: -- (Test6::A1, 0) vtable address --
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// CHECK-NEXT: -- (Test6::C, 0) vtable address --
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// CHECK-NEXT: 2 | void Test6::C::f()
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// CHECK-NEXT: 3 | offset_to_top (-16)
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// CHECK-NEXT: 4 | Test6::C RTTI
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// CHECK-NEXT: -- (Test6::A2, 16) vtable address --
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// CHECK-NEXT: 5 | void Test6::C::f()
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// CHECK-NEXT: [this adjustment: -16 non-virtual]
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struct C : A1, A2 {
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virtual void f();
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};
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void C::f() { }
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}
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namespace Test7 {
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// Test that the D::f overrider for A::f have different 'this' pointer
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// adjustments in the two A base subobjects.
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struct A {
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virtual void f();
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int a;
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};
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struct B1 : A { };
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struct B2 : A { };
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struct C { virtual void c(); };
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// CHECK: Vtable for 'Test7::D' (10 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test7::D RTTI
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// CHECK-NEXT: -- (Test7::C, 0) vtable address --
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// CHECK-NEXT: -- (Test7::D, 0) vtable address --
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// CHECK-NEXT: 2 | void Test7::C::c()
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// CHECK-NEXT: 3 | void Test7::D::f()
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// CHECK-NEXT: 4 | offset_to_top (-8)
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// CHECK-NEXT: 5 | Test7::D RTTI
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// CHECK-NEXT: -- (Test7::A, 8) vtable address --
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// CHECK-NEXT: -- (Test7::B1, 8) vtable address --
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// CHECK-NEXT: 6 | void Test7::D::f()
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// CHECK-NEXT: [this adjustment: -8 non-virtual]
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// CHECK-NEXT: 7 | offset_to_top (-24)
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// CHECK-NEXT: 8 | Test7::D RTTI
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// CHECK-NEXT: -- (Test7::A, 24) vtable address --
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// CHECK-NEXT: -- (Test7::B2, 24) vtable address --
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// CHECK-NEXT: 9 | void Test7::D::f()
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// CHECK-NEXT: [this adjustment: -24 non-virtual]
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struct D : C, B1, B2 {
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virtual void f();
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};
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void D::f() { }
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}
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namespace Test8 {
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// Test that we don't try to layout vtables for classes that don't have
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// virtual bases or virtual member functions.
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struct A { };
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// CHECK: Vtable for 'Test8::B' (3 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test8::B RTTI
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// CHECK-NEXT: -- (Test8::B, 0) vtable address --
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// CHECK-NEXT: 2 | void Test8::B::f()
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struct B : A {
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virtual void f();
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};
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void B::f() { }
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}
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namespace Test9 {
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// Simple test of vbase offsets.
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struct A1 { int a1; };
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struct A2 { int a2; };
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// CHECK: Vtable for 'Test9::B' (5 entries).
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// CHECK-NEXT: 0 | vbase_offset (16)
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// CHECK-NEXT: 1 | vbase_offset (12)
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// CHECK-NEXT: 2 | offset_to_top (0)
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// CHECK-NEXT: 3 | Test9::B RTTI
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// CHECK-NEXT: -- (Test9::B, 0) vtable address --
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// CHECK-NEXT: 4 | void Test9::B::f()
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struct B : virtual A1, virtual A2 {
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int b;
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virtual void f();
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};
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void B::f() { }
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}
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namespace Test10 {
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// Test for a bug where we would not emit secondary vtables for bases
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// of a primary base.
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struct A1 { virtual void a1(); };
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struct A2 { virtual void a2(); };
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// CHECK: Vtable for 'Test10::C' (7 entries).
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// CHECK-NEXT: 0 | offset_to_top (0)
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// CHECK-NEXT: 1 | Test10::C RTTI
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// CHECK-NEXT: -- (Test10::A1, 0) vtable address --
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// CHECK-NEXT: -- (Test10::B, 0) vtable address --
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// CHECK-NEXT: -- (Test10::C, 0) vtable address --
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// CHECK-NEXT: 2 | void Test10::A1::a1()
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// CHECK-NEXT: 3 | void Test10::C::f()
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// CHECK-NEXT: 4 | offset_to_top (-8)
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// CHECK-NEXT: 5 | Test10::C RTTI
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// CHECK-NEXT: -- (Test10::A2, 8) vtable address --
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// CHECK-NEXT: 6 | void Test10::A2::a2()
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struct B : A1, A2 {
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int b;
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};
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struct C : B {
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virtual void f();
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};
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void C::f() { }
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}
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namespace Test11 {
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// Very simple test of vtables for virtual bases.
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struct A1 { int a; };
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struct A2 { int b; };
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struct B : A1, virtual A2 {
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int b;
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};
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// CHECK: Vtable for 'Test11::C' (8 entries).
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// CHECK-NEXT: 0 | vbase_offset (24)
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// CHECK-NEXT: 1 | vbase_offset (8)
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// CHECK-NEXT: 2 | offset_to_top (0)
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// CHECK-NEXT: 3 | Test11::C RTTI
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// CHECK-NEXT: -- (Test11::C, 0) vtable address --
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// CHECK-NEXT: 4 | void Test11::C::f()
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// CHECK-NEXT: 5 | vbase_offset (16)
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// CHECK-NEXT: 6 | offset_to_top (-8)
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// CHECK-NEXT: 7 | Test11::C RTTI
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struct C : virtual B {
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virtual void f();
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};
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void C::f() { }
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}
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namespace Test12 {
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// Test that the right vcall offsets are generated in the right order.
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// CHECK: Vtable for 'Test12::B' (19 entries).
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// CHECK-NEXT: 0 | vbase_offset (8)
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// CHECK-NEXT: 1 | offset_to_top (0)
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// CHECK-NEXT: 2 | Test12::B RTTI
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// CHECK-NEXT: -- (Test12::B, 0) vtable address --
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// CHECK-NEXT: 3 | void Test12::B::f()
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// CHECK-NEXT: 4 | void Test12::B::a()
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// CHECK-NEXT: 5 | vcall_offset (32)
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// CHECK-NEXT: 6 | vcall_offset (16)
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// CHECK-NEXT: 7 | vcall_offset (-8)
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// CHECK-NEXT: 8 | vcall_offset (0)
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// CHECK-NEXT: 9 | offset_to_top (-8)
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// CHECK-NEXT: 10 | Test12::B RTTI
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// CHECK-NEXT: -- (Test12::A, 8) vtable address --
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// CHECK-NEXT: -- (Test12::A1, 8) vtable address --
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// CHECK-NEXT: 11 | void Test12::A1::a1()
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// CHECK-NEXT: 12 | void Test12::B::a()
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// CHECK-NEXT: [this adjustment: 0 non-virtual, -32 vcall offset offset]
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// CHECK-NEXT: 13 | offset_to_top (-24)
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// CHECK-NEXT: 14 | Test12::B RTTI
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// CHECK-NEXT: -- (Test12::A2, 24) vtable address --
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// CHECK-NEXT: 15 | void Test12::A2::a2()
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// CHECK-NEXT: 16 | offset_to_top (-40)
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// CHECK-NEXT: 17 | Test12::B RTTI
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// CHECK-NEXT: -- (Test12::A3, 40) vtable address --
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// CHECK-NEXT: 18 | void Test12::A3::a3()
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struct A1 {
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virtual void a1();
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int a;
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};
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struct A2 {
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virtual void a2();
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int a;
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};
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struct A3 {
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virtual void a3();
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int a;
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};
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struct A : A1, A2, A3 {
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virtual void a();
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int i;
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};
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struct B : virtual A {
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virtual void f();
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virtual void a();
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};
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void B::f() { }
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}
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namespace Test13 {
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// Test that we don't try to emit a vtable for 'A' twice.
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struct A {
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virtual void f();
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};
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struct B : virtual A {
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virtual void f();
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};
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// CHECK: Vtable for 'Test13::C' (6 entries).
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// CHECK-NEXT: 0 | vbase_offset (0)
|
|
// CHECK-NEXT: 1 | vbase_offset (0)
|
|
// CHECK-NEXT: 2 | vcall_offset (0)
|
|
// CHECK-NEXT: 3 | offset_to_top (0)
|
|
// CHECK-NEXT: 4 | Test13::C RTTI
|
|
// CHECK-NEXT: -- (Test13::A, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test13::B, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test13::C, 0) vtable address --
|
|
// CHECK-NEXT: 5 | void Test13::C::f()
|
|
struct C : virtual B, virtual A {
|
|
virtual void f();
|
|
};
|
|
void C::f() { }
|
|
|
|
}
|
|
|
|
namespace Test14 {
|
|
|
|
// Verify that we handle A being a non-virtual base of B, which is a virtual base.
|
|
|
|
struct A {
|
|
virtual void f();
|
|
};
|
|
|
|
struct B : A { };
|
|
|
|
struct C : virtual B { };
|
|
|
|
// CHECK: Vtable for 'Test14::D' (5 entries).
|
|
// CHECK-NEXT: 0 | vbase_offset (0)
|
|
// CHECK-NEXT: 1 | vcall_offset (0)
|
|
// CHECK-NEXT: 2 | offset_to_top (0)
|
|
// CHECK-NEXT: 3 | Test14::D RTTI
|
|
// CHECK-NEXT: -- (Test14::A, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test14::B, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test14::C, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test14::D, 0) vtable address --
|
|
// CHECK-NEXT: 4 | void Test14::D::f()
|
|
struct D : C, virtual B {
|
|
virtual void f();
|
|
};
|
|
void D::f() { }
|
|
|
|
}
|
|
|
|
namespace Test15 {
|
|
|
|
// Test that we don't emit an extra vtable for B since it's a primary base of C.
|
|
struct A { virtual void a(); };
|
|
struct B { virtual void b(); };
|
|
|
|
struct C : virtual B { };
|
|
|
|
// CHECK: Vtable for 'Test15::D' (11 entries).
|
|
// CHECK-NEXT: 0 | vbase_offset (8)
|
|
// CHECK-NEXT: 1 | vbase_offset (8)
|
|
// CHECK-NEXT: 2 | offset_to_top (0)
|
|
// CHECK-NEXT: 3 | Test15::D RTTI
|
|
// CHECK-NEXT: -- (Test15::A, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test15::D, 0) vtable address --
|
|
// CHECK-NEXT: 4 | void Test15::A::a()
|
|
// CHECK-NEXT: 5 | void Test15::D::f()
|
|
// CHECK-NEXT: 6 | vbase_offset (0)
|
|
// CHECK-NEXT: 7 | vcall_offset (0)
|
|
// CHECK-NEXT: 8 | offset_to_top (-8)
|
|
// CHECK-NEXT: 9 | Test15::D RTTI
|
|
// CHECK-NEXT: -- (Test15::B, 8) vtable address --
|
|
// CHECK-NEXT: -- (Test15::C, 8) vtable address --
|
|
// CHECK-NEXT: 10 | void Test15::B::b()
|
|
struct D : A, virtual B, virtual C {
|
|
virtual void f();
|
|
};
|
|
void D::f() { }
|
|
|
|
}
|
|
|
|
namespace Test16 {
|
|
|
|
// Test that destructors share vcall offsets.
|
|
|
|
struct A { virtual ~A(); };
|
|
struct B { virtual ~B(); };
|
|
|
|
struct C : A, B { virtual ~C(); };
|
|
|
|
// CHECK: Vtable for 'Test16::D' (15 entries).
|
|
// CHECK-NEXT: 0 | vbase_offset (8)
|
|
// CHECK-NEXT: 1 | offset_to_top (0)
|
|
// CHECK-NEXT: 2 | Test16::D RTTI
|
|
// CHECK-NEXT: -- (Test16::D, 0) vtable address --
|
|
// CHECK-NEXT: 3 | void Test16::D::f()
|
|
// CHECK-NEXT: 4 | Test16::D::~D() [complete]
|
|
// CHECK-NEXT: 5 | Test16::D::~D() [deleting]
|
|
// CHECK-NEXT: 6 | vcall_offset (-8)
|
|
// CHECK-NEXT: 7 | offset_to_top (-8)
|
|
// CHECK-NEXT: 8 | Test16::D RTTI
|
|
// CHECK-NEXT: -- (Test16::A, 8) vtable address --
|
|
// CHECK-NEXT: -- (Test16::C, 8) vtable address --
|
|
// CHECK-NEXT: 9 | Test16::D::~D() [complete]
|
|
// CHECK-NEXT: [this adjustment: 0 non-virtual, -24 vcall offset offset]
|
|
// CHECK-NEXT: 10 | Test16::D::~D() [deleting]
|
|
// CHECK-NEXT: [this adjustment: 0 non-virtual, -24 vcall offset offset]
|
|
// CHECK-NEXT: 11 | offset_to_top (-16)
|
|
// CHECK-NEXT: 12 | Test16::D RTTI
|
|
// CHECK-NEXT: -- (Test16::B, 16) vtable address --
|
|
// CHECK-NEXT: 13 | Test16::D::~D() [complete]
|
|
// CHECK-NEXT: [this adjustment: -8 non-virtual, -24 vcall offset offset]
|
|
// CHECK-NEXT: 14 | Test16::D::~D() [deleting]
|
|
// CHECK-NEXT: [this adjustment: -8 non-virtual, -24 vcall offset offset]
|
|
struct D : virtual C {
|
|
virtual void f();
|
|
};
|
|
void D::f() { }
|
|
|
|
}
|
|
|
|
namespace Test17 {
|
|
|
|
// Test that we don't mark E::f in the C-in-E vtable as unused.
|
|
struct A { virtual void f(); };
|
|
struct B : virtual A { virtual void f(); };
|
|
struct C : virtual A { virtual void f(); };
|
|
struct D : virtual B, virtual C { virtual void f(); };
|
|
|
|
// CHECK: Vtable for 'Test17::E' (13 entries).
|
|
// CHECK-NEXT: 0 | vbase_offset (0)
|
|
// CHECK-NEXT: 1 | vbase_offset (8)
|
|
// CHECK-NEXT: 2 | vbase_offset (0)
|
|
// CHECK-NEXT: 3 | vbase_offset (0)
|
|
// CHECK-NEXT: 4 | vcall_offset (0)
|
|
// CHECK-NEXT: 5 | offset_to_top (0)
|
|
// CHECK-NEXT: 6 | Test17::E RTTI
|
|
// CHECK-NEXT: -- (Test17::A, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test17::B, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test17::D, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test17::E, 0) vtable address --
|
|
// CHECK-NEXT: 7 | void Test17::E::f()
|
|
// CHECK-NEXT: 8 | vbase_offset (-8)
|
|
// CHECK-NEXT: 9 | vcall_offset (-8)
|
|
// CHECK-NEXT: 10 | offset_to_top (-8)
|
|
// CHECK-NEXT: 11 | Test17::E RTTI
|
|
// CHECK-NEXT: -- (Test17::A, 8) vtable address --
|
|
// CHECK-NEXT: -- (Test17::C, 8) vtable address --
|
|
// CHECK-NEXT: 12 | void Test17::E::f()
|
|
// CHECK-NEXT: [this adjustment: 0 non-virtual, -24 vcall offset offset]
|
|
class E : virtual D {
|
|
virtual void f();
|
|
};
|
|
void E::f() {}
|
|
|
|
}
|
|
|
|
namespace Test18 {
|
|
|
|
// Test that we compute the right 'this' adjustment offsets.
|
|
|
|
struct A {
|
|
virtual void f();
|
|
virtual void g();
|
|
};
|
|
|
|
struct B : virtual A {
|
|
virtual void f();
|
|
};
|
|
|
|
struct C : A, B {
|
|
virtual void g();
|
|
};
|
|
|
|
// CHECK: Vtable for 'Test18::D' (24 entries).
|
|
// CHECK-NEXT: 0 | vbase_offset (8)
|
|
// CHECK-NEXT: 1 | vbase_offset (0)
|
|
// CHECK-NEXT: 2 | vbase_offset (0)
|
|
// CHECK-NEXT: 3 | vcall_offset (8)
|
|
// CHECK-NEXT: 4 | vcall_offset (0)
|
|
// CHECK-NEXT: 5 | offset_to_top (0)
|
|
// CHECK-NEXT: 6 | Test18::D RTTI
|
|
// CHECK-NEXT: -- (Test18::A, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test18::B, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test18::D, 0) vtable address --
|
|
// CHECK-NEXT: 7 | void Test18::D::f()
|
|
// CHECK-NEXT: 8 | void Test18::C::g()
|
|
// CHECK-NEXT: [this adjustment: 0 non-virtual, -32 vcall offset offset]
|
|
// CHECK-NEXT: 9 | void Test18::D::h()
|
|
// CHECK-NEXT: 10 | vcall_offset (0)
|
|
// CHECK-NEXT: 11 | vcall_offset (-8)
|
|
// CHECK-NEXT: 12 | vbase_offset (-8)
|
|
// CHECK-NEXT: 13 | offset_to_top (-8)
|
|
// CHECK-NEXT: 14 | Test18::D RTTI
|
|
// CHECK-NEXT: -- (Test18::A, 8) vtable address --
|
|
// CHECK-NEXT: -- (Test18::C, 8) vtable address --
|
|
// CHECK-NEXT: 15 | void Test18::D::f()
|
|
// CHECK-NEXT: [this adjustment: 0 non-virtual, -32 vcall offset offset]
|
|
// CHECK-NEXT: 16 | void Test18::C::g()
|
|
// CHECK-NEXT: 17 | vbase_offset (-16)
|
|
// CHECK-NEXT: 18 | vcall_offset (-8)
|
|
// CHECK-NEXT: 19 | vcall_offset (-16)
|
|
// CHECK-NEXT: 20 | offset_to_top (-16)
|
|
// CHECK-NEXT: 21 | Test18::D RTTI
|
|
// CHECK-NEXT: -- (Test18::A, 16) vtable address --
|
|
// CHECK-NEXT: -- (Test18::B, 16) vtable address --
|
|
// CHECK-NEXT: 22 | void Test18::D::f()
|
|
// CHECK-NEXT: [this adjustment: -8 non-virtual, -32 vcall offset offset]
|
|
// CHECK-NEXT: 23 | [unused] void Test18::C::g()
|
|
struct D : virtual B, virtual C, virtual A
|
|
{
|
|
virtual void f();
|
|
virtual void h();
|
|
};
|
|
void D::f() {}
|
|
|
|
}
|
|
|
|
namespace Test19 {
|
|
|
|
// Another 'this' adjustment test.
|
|
|
|
struct A {
|
|
int a;
|
|
|
|
virtual void f();
|
|
};
|
|
|
|
struct B : A {
|
|
int b;
|
|
|
|
virtual void g();
|
|
};
|
|
|
|
struct C {
|
|
virtual void c();
|
|
};
|
|
|
|
// CHECK: Vtable for 'Test19::D' (13 entries).
|
|
// CHECK-NEXT: 0 | vbase_offset (24)
|
|
// CHECK-NEXT: 1 | offset_to_top (0)
|
|
// CHECK-NEXT: 2 | Test19::D RTTI
|
|
// CHECK-NEXT: -- (Test19::C, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test19::D, 0) vtable address --
|
|
// CHECK-NEXT: 3 | void Test19::C::c()
|
|
// CHECK-NEXT: 4 | void Test19::D::f()
|
|
// CHECK-NEXT: 5 | offset_to_top (-8)
|
|
// CHECK-NEXT: 6 | Test19::D RTTI
|
|
// CHECK-NEXT: -- (Test19::A, 8) vtable address --
|
|
// CHECK-NEXT: -- (Test19::B, 8) vtable address --
|
|
// CHECK-NEXT: 7 | void Test19::D::f()
|
|
// CHECK-NEXT: [this adjustment: -8 non-virtual]
|
|
// CHECK-NEXT: 8 | void Test19::B::g()
|
|
// CHECK-NEXT: 9 | vcall_offset (-24)
|
|
// CHECK-NEXT: 10 | offset_to_top (-24)
|
|
// CHECK-NEXT: 11 | Test19::D RTTI
|
|
// CHECK-NEXT: -- (Test19::A, 24) vtable address --
|
|
// CHECK-NEXT: 12 | void Test19::D::f()
|
|
// CHECK-NEXT: [this adjustment: 0 non-virtual, -24 vcall offset offset]
|
|
struct D : C, B, virtual A {
|
|
virtual void f();
|
|
};
|
|
void D::f() { }
|
|
|
|
}
|
|
|
|
namespace Test20 {
|
|
|
|
// pure virtual member functions should never have 'this' adjustments.
|
|
|
|
struct A {
|
|
virtual void f() = 0;
|
|
virtual void g();
|
|
};
|
|
|
|
struct B : A { };
|
|
|
|
// CHECK: Vtable for 'Test20::C' (9 entries).
|
|
// CHECK-NEXT: 0 | offset_to_top (0)
|
|
// CHECK-NEXT: 1 | Test20::C RTTI
|
|
// CHECK-NEXT: -- (Test20::A, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test20::C, 0) vtable address --
|
|
// CHECK-NEXT: 2 | void Test20::C::f() [pure]
|
|
// CHECK-NEXT: 3 | void Test20::A::g()
|
|
// CHECK-NEXT: 4 | void Test20::C::h()
|
|
// CHECK-NEXT: 5 | offset_to_top (-8)
|
|
// CHECK-NEXT: 6 | Test20::C RTTI
|
|
// CHECK-NEXT: -- (Test20::A, 8) vtable address --
|
|
// CHECK-NEXT: -- (Test20::B, 8) vtable address --
|
|
// CHECK-NEXT: 7 | void Test20::C::f() [pure]
|
|
// CHECK-NEXT: 8 | void Test20::A::g()
|
|
struct C : A, B {
|
|
virtual void f() = 0;
|
|
virtual void h();
|
|
};
|
|
void C::h() { }
|
|
|
|
}
|
|
|
|
namespace Test21 {
|
|
|
|
// Test that we get vbase offsets right in secondary vtables.
|
|
struct A {
|
|
virtual void f();
|
|
};
|
|
|
|
struct B : virtual A { };
|
|
class C : virtual B { };
|
|
class D : virtual C { };
|
|
|
|
class E : virtual C { };
|
|
|
|
// CHECK: Vtable for 'Test21::F' (16 entries).
|
|
// CHECK-NEXT: 0 | vbase_offset (8)
|
|
// CHECK-NEXT: 1 | vbase_offset (0)
|
|
// CHECK-NEXT: 2 | vbase_offset (0)
|
|
// CHECK-NEXT: 3 | vbase_offset (0)
|
|
// CHECK-NEXT: 4 | vbase_offset (0)
|
|
// CHECK-NEXT: 5 | vcall_offset (0)
|
|
// CHECK-NEXT: 6 | offset_to_top (0)
|
|
// CHECK-NEXT: 7 | Test21::F RTTI
|
|
// CHECK-NEXT: -- (Test21::A, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test21::B, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test21::C, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test21::D, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test21::F, 0) vtable address --
|
|
// CHECK-NEXT: 8 | void Test21::F::f()
|
|
// CHECK-NEXT: 9 | vbase_offset (-8)
|
|
// CHECK-NEXT: 10 | vbase_offset (-8)
|
|
// CHECK-NEXT: 11 | vbase_offset (-8)
|
|
// CHECK-NEXT: 12 | vcall_offset (-8)
|
|
// CHECK-NEXT: 13 | offset_to_top (-8)
|
|
// CHECK-NEXT: 14 | Test21::F RTTI
|
|
// CHECK-NEXT: -- (Test21::A, 8) vtable address --
|
|
// CHECK-NEXT: -- (Test21::B, 8) vtable address --
|
|
// CHECK-NEXT: -- (Test21::C, 8) vtable address --
|
|
// CHECK-NEXT: -- (Test21::E, 8) vtable address --
|
|
// CHECK-NEXT: 15 | [unused] void Test21::F::f()
|
|
class F : virtual D, virtual E {
|
|
virtual void f();
|
|
};
|
|
void F::f() { }
|
|
|
|
}
|
|
|
|
namespace Test22 {
|
|
|
|
// Very simple construction vtable test.
|
|
struct V1 {
|
|
int v1;
|
|
};
|
|
|
|
struct V2 : virtual V1 {
|
|
int v2;
|
|
};
|
|
|
|
// CHECK: Vtable for 'Test22::C' (8 entries).
|
|
// CHECK-NEXT: 0 | vbase_offset (16)
|
|
// CHECK-NEXT: 1 | vbase_offset (12)
|
|
// CHECK-NEXT: 2 | offset_to_top (0)
|
|
// CHECK-NEXT: 3 | Test22::C RTTI
|
|
// CHECK-NEXT: -- (Test22::C, 0) vtable address --
|
|
// CHECK-NEXT: 4 | void Test22::C::f()
|
|
// CHECK-NEXT: 5 | vbase_offset (-4)
|
|
// CHECK-NEXT: 6 | offset_to_top (-16)
|
|
// CHECK-NEXT: 7 | Test22::C RTTI
|
|
// CHECK-NEXT: -- (Test22::V2, 16) vtable address --
|
|
|
|
// CHECK: Construction vtable for ('Test22::V2', 16) in 'Test22::C' (3 entries).
|
|
// CHECK-NEXT: 0 | vbase_offset (-4)
|
|
// CHECK-NEXT: 1 | offset_to_top (0)
|
|
// CHECK-NEXT: 2 | Test22::V2 RTTI
|
|
|
|
struct C : virtual V1, virtual V2 {
|
|
int c;
|
|
virtual void f();
|
|
};
|
|
void C::f() { }
|
|
|
|
}
|
|
|
|
namespace Test23 {
|
|
|
|
struct A {
|
|
int a;
|
|
};
|
|
|
|
struct B : virtual A {
|
|
int b;
|
|
};
|
|
|
|
struct C : A, virtual B {
|
|
int c;
|
|
};
|
|
|
|
// CHECK: Vtable for 'Test23::D' (7 entries).
|
|
// CHECK-NEXT: 0 | vbase_offset (20)
|
|
// CHECK-NEXT: 1 | vbase_offset (24)
|
|
// CHECK-NEXT: 2 | offset_to_top (0)
|
|
// CHECK-NEXT: 3 | Test23::D RTTI
|
|
// CHECK-NEXT: -- (Test23::C, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test23::D, 0) vtable address --
|
|
// CHECK-NEXT: 4 | vbase_offset (-4)
|
|
// CHECK-NEXT: 5 | offset_to_top (-24)
|
|
// CHECK-NEXT: 6 | Test23::D RTTI
|
|
// CHECK-NEXT: -- (Test23::B, 24) vtable address --
|
|
|
|
// CHECK: Construction vtable for ('Test23::C', 0) in 'Test23::D' (7 entries).
|
|
// CHECK-NEXT: 0 | vbase_offset (20)
|
|
// CHECK-NEXT: 1 | vbase_offset (24)
|
|
// CHECK-NEXT: 2 | offset_to_top (0)
|
|
// CHECK-NEXT: 3 | Test23::C RTTI
|
|
// CHECK-NEXT: -- (Test23::C, 0) vtable address --
|
|
// CHECK-NEXT: 4 | vbase_offset (-4)
|
|
// CHECK-NEXT: 5 | offset_to_top (-24)
|
|
// CHECK-NEXT: 6 | Test23::C RTTI
|
|
// CHECK-NEXT: -- (Test23::B, 24) vtable address --
|
|
|
|
// CHECK: Construction vtable for ('Test23::B', 24) in 'Test23::D' (3 entries).
|
|
// CHECK-NEXT: 0 | vbase_offset (-4)
|
|
// CHECK-NEXT: 1 | offset_to_top (0)
|
|
// CHECK-NEXT: 2 | Test23::B RTTI
|
|
// CHECK-NEXT: -- (Test23::B, 24) vtable address --
|
|
|
|
struct D : virtual A, virtual B, C {
|
|
int d;
|
|
|
|
void f();
|
|
};
|
|
void D::f() { }
|
|
|
|
}
|
|
|
|
namespace Test24 {
|
|
|
|
// Another construction vtable test.
|
|
|
|
struct A {
|
|
virtual void f();
|
|
};
|
|
|
|
struct B : virtual A { };
|
|
struct C : virtual A { };
|
|
|
|
// CHECK: Vtable for 'Test24::D' (10 entries).
|
|
// CHECK-NEXT: 0 | vbase_offset (0)
|
|
// CHECK-NEXT: 1 | vcall_offset (0)
|
|
// CHECK-NEXT: 2 | offset_to_top (0)
|
|
// CHECK-NEXT: 3 | Test24::D RTTI
|
|
// CHECK-NEXT: -- (Test24::A, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test24::B, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test24::D, 0) vtable address --
|
|
// CHECK-NEXT: 4 | void Test24::D::f()
|
|
// CHECK-NEXT: 5 | vbase_offset (-8)
|
|
// CHECK-NEXT: 6 | vcall_offset (-8)
|
|
// CHECK-NEXT: 7 | offset_to_top (-8)
|
|
// CHECK-NEXT: 8 | Test24::D RTTI
|
|
// CHECK-NEXT: -- (Test24::A, 8) vtable address --
|
|
// CHECK-NEXT: -- (Test24::C, 8) vtable address --
|
|
// CHECK-NEXT: 9 | [unused] void Test24::D::f()
|
|
|
|
// CHECK: Construction vtable for ('Test24::B', 0) in 'Test24::D' (5 entries).
|
|
// CHECK-NEXT: 0 | vbase_offset (0)
|
|
// CHECK-NEXT: 1 | vcall_offset (0)
|
|
// CHECK-NEXT: 2 | offset_to_top (0)
|
|
// CHECK-NEXT: 3 | Test24::B RTTI
|
|
// CHECK-NEXT: -- (Test24::A, 0) vtable address --
|
|
// CHECK-NEXT: -- (Test24::B, 0) vtable address --
|
|
// CHECK-NEXT: 4 | void Test24::A::f()
|
|
|
|
// CHECK: Construction vtable for ('Test24::C', 8) in 'Test24::D' (9 entries).
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// CHECK-NEXT: 0 | vbase_offset (-8)
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// CHECK-NEXT: 1 | vcall_offset (-8)
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// CHECK-NEXT: 2 | offset_to_top (0)
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// CHECK-NEXT: 3 | Test24::C RTTI
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// CHECK-NEXT: -- (Test24::A, 8) vtable address --
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// CHECK-NEXT: -- (Test24::C, 8) vtable address --
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// CHECK-NEXT: 4 | [unused] void Test24::A::f()
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// CHECK-NEXT: 5 | vcall_offset (0)
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// CHECK-NEXT: 6 | offset_to_top (8)
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// CHECK-NEXT: 7 | Test24::C RTTI
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// CHECK-NEXT: -- (Test24::A, 0) vtable address --
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// CHECK-NEXT: 8 | void Test24::A::f()
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struct D : B, C {
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virtual void f();
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};
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void D::f() { }
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}
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