1 // RUN: %clang_cc1 -flto -triple x86_64-unknown-linux -fsanitize=cfi-vcall -fsanitize-cfi-cross-dso -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=ITANIUM %s
2 // RUN: %clang_cc1 -flto -triple x86_64-pc-windows-msvc -fsanitize=cfi-vcall -fsanitize-cfi-cross-dso -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=MS %s
3
4 struct A {
5 A();
6 virtual void f();
7 };
8
A()9 A::A() {}
f()10 void A::f() {}
11
caller(A * a)12 void caller(A* a) {
13 a->f();
14 }
15
16 namespace {
17 struct B {
18 virtual void f();
19 };
20
f()21 void B::f() {}
22 } // namespace
23
g()24 void g() {
25 B b;
26 b.f();
27 }
28
29 // MS: @[[B_VTABLE:.*]] = private unnamed_addr constant [2 x i8*] {{.*}}@"\01??_R4B@?A@@6B@"{{.*}}@"\01?f@B@?A@@UEAAXXZ"
30
31 // CHECK: %[[VT:.*]] = load void (%struct.A*)**, void (%struct.A*)***
32 // CHECK: %[[VT2:.*]] = bitcast {{.*}}%[[VT]] to i8*, !nosanitize
33 // ITANIUM: %[[TEST:.*]] = call i1 @llvm.type.test(i8* %[[VT2]], metadata !"_ZTS1A"), !nosanitize
34 // MS: %[[TEST:.*]] = call i1 @llvm.type.test(i8* %[[VT2]], metadata !"?AUA@@"), !nosanitize
35 // CHECK: br i1 %[[TEST]], label %[[CONT:.*]], label %[[SLOW:.*]], {{.*}} !nosanitize
36 // CHECK: [[SLOW]]
37 // ITANIUM: call void @__cfi_slowpath_diag(i64 7004155349499253778, i8* %[[VT2]], {{.*}}) {{.*}} !nosanitize
38 // MS: call void @__cfi_slowpath_diag(i64 -8005289897957287421, i8* %[[VT2]], {{.*}}) {{.*}} !nosanitize
39 // CHECK: br label %[[CONT]], !nosanitize
40 // CHECK: [[CONT]]
41 // CHECK: call void %{{.*}}(%struct.A* %{{.*}})
42
43 // No hash-based bit set entry for (anonymous namespace)::B
44 // ITANIUM-NOT: !{i64 {{.*}}, [3 x i8*]* @_ZTVN12_GLOBAL__N_11BE,
45 // MS-NOT: !{i64 {{.*}}, [2 x i8*]* @[[B_VTABLE]],
46