| // 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 |
| // 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 |
| |
| struct A { |
| A(); |
| virtual void f(); |
| }; |
| |
| A::A() {} |
| void A::f() {} |
| |
| void caller(A* a) { |
| a->f(); |
| } |
| |
| namespace { |
| struct B { |
| virtual void f(); |
| }; |
| |
| void B::f() {} |
| } // namespace |
| |
| void g() { |
| B b; |
| b.f(); |
| } |
| |
| // MS: @[[B_VTABLE:.*]] = private unnamed_addr constant { [2 x i8*] } {{.*}}@"??_R4B@?A@@6B@"{{.*}}@"?f@B@?A@@UEAAXXZ" |
| |
| // CHECK: %[[VT:.*]] = load void (%struct.A*)**, void (%struct.A*)*** |
| // CHECK: %[[VT2:.*]] = bitcast {{.*}}%[[VT]] to i8*, !nosanitize |
| // ITANIUM: %[[TEST:.*]] = call i1 @llvm.type.test(i8* %[[VT2]], metadata !"_ZTS1A"), !nosanitize |
| // MS: %[[TEST:.*]] = call i1 @llvm.type.test(i8* %[[VT2]], metadata !"?AUA@@"), !nosanitize |
| // CHECK: br i1 %[[TEST]], label %[[CONT:.*]], label %[[SLOW:.*]], {{.*}} !nosanitize |
| // CHECK: [[SLOW]] |
| // ITANIUM: call void @__cfi_slowpath_diag(i64 7004155349499253778, i8* %[[VT2]], {{.*}}) {{.*}} !nosanitize |
| // MS: call void @__cfi_slowpath_diag(i64 -8005289897957287421, i8* %[[VT2]], {{.*}}) {{.*}} !nosanitize |
| // CHECK: br label %[[CONT]], !nosanitize |
| // CHECK: [[CONT]] |
| // CHECK: call void %{{.*}}(%struct.A* %{{.*}}) |
| |
| // No hash-based bit set entry for (anonymous namespace)::B |
| // ITANIUM-NOT: !{i64 {{.*}}, [3 x i8*]* @_ZTVN12_GLOBAL__N_11BE, |
| // MS-NOT: !{i64 {{.*}}, [2 x i8*]* @[[B_VTABLE]], |