1// RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=cfi-vcall -emit-llvm -o - %s | FileCheck %s
2
3struct A {
4  A();
5  virtual void f();
6};
7
8struct B : virtual A {
9  B();
10};
11
12struct C : virtual A {
13  C();
14};
15
16namespace {
17
18struct D : B, C {
19  D();
20  virtual void f();
21};
22
23}
24
25A::A() {}
26B::B() {}
27C::C() {}
28D::D() {}
29
30void A::f() {
31}
32
33void D::f() {
34}
35
36// CHECK: define void @_Z2afP1A
37void af(A *a) {
38  // CHECK: [[P:%[^ ]*]] = call i1 @llvm.bitset.test(i8* {{%[^ ]*}}, metadata !"1A")
39  // CHECK-NEXT: br i1 [[P]], label %[[CONTBB:[^ ]*]], label %[[TRAPBB:[^ ]*]]
40
41  // CHECK: [[TRAPBB]]
42  // CHECK-NEXT: call void @llvm.trap()
43  // CHECK-NEXT: unreachable
44
45  // CHECK: [[CONTBB]]
46  // CHECK: call void %
47  a->f();
48}
49
50// CHECK: define internal void @_Z2dfPN12_GLOBAL__N_11DE
51void df(D *d) {
52  // CHECK: {{%[^ ]*}} = call i1 @llvm.bitset.test(i8* {{%[^ ]*}}, metadata !"[{{.*}}cfi-vcall.cpp]N12_GLOBAL__N_11DE")
53  d->f();
54}
55
56D d;
57
58void foo() {
59  df(&d);
60}
61
62// CHECK-DAG: !{!"1A", [3 x i8*]* @_ZTV1A, i64 16}
63// CHECK-DAG: !{!"1A", [5 x i8*]* @_ZTCN12_GLOBAL__N_11DE0_1B, i64 32}
64// CHECK-DAG: !{!"1B", [5 x i8*]* @_ZTCN12_GLOBAL__N_11DE0_1B, i64 32}
65// CHECK-DAG: !{!"1A", [9 x i8*]* @_ZTCN12_GLOBAL__N_11DE8_1C, i64 64}
66// CHECK-DAG: !{!"1C", [9 x i8*]* @_ZTCN12_GLOBAL__N_11DE8_1C, i64 32}
67// CHECK-DAG: !{!"1A", [10 x i8*]* @_ZTVN12_GLOBAL__N_11DE, i64 32}
68// CHECK-DAG: !{!"1B", [10 x i8*]* @_ZTVN12_GLOBAL__N_11DE, i64 32}
69// CHECK-DAG: !{!"1C", [10 x i8*]* @_ZTVN12_GLOBAL__N_11DE, i64 72}
70// CHECK-DAG: !{!"[{{.*}}cfi-vcall.cpp]N12_GLOBAL__N_11DE", [10 x i8*]* @_ZTVN12_GLOBAL__N_11DE, i64 32}
71// CHECK-DAG: !{!"1A", [5 x i8*]* @_ZTV1B, i64 32}
72// CHECK-DAG: !{!"1B", [5 x i8*]* @_ZTV1B, i64 32}
73// CHECK-DAG: !{!"1A", [5 x i8*]* @_ZTV1C, i64 32}
74// CHECK-DAG: !{!"1C", [5 x i8*]* @_ZTV1C, i64 32}
75