47 lines · cpp
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 %s2// 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 %s3 4struct A {5 A();6 virtual void f();7};8 9A::A() {}10void A::f() {}11 12void caller(A* a) {13 a->f();14}15 16namespace {17struct B {18 virtual void f();19};20 21void B::f() {}22} // namespace23 24void g() {25 B b;26 b.f();27}28 29// MS: @[[B_VTABLE:.*]] = private unnamed_addr constant { [2 x ptr] } {{.*}}@"??_R4B@?A0x{{[^@]*}}@@6B@"{{.*}}@"?f@B@?A0x{{[^@]*}}@@UEAAXXZ"30 31// CHECK-LABEL: caller32// CHECK: %[[A:.*]] = load ptr, ptr33// CHECK: %[[VT:.*]] = load ptr, ptr %[[A]]34// ITANIUM: %[[TEST:.*]] = call i1 @llvm.type.test(ptr %[[VT]], metadata !"_ZTS1A"), !nosanitize35// MS: %[[TEST:.*]] = call i1 @llvm.type.test(ptr %[[VT]], metadata !"?AUA@@"), !nosanitize36// CHECK: br i1 %[[TEST]], label %[[CONT:.*]], label %[[SLOW:.*]], {{.*}} !nosanitize37// CHECK: [[SLOW]]38// ITANIUM: call void @__cfi_slowpath_diag(i64 7004155349499253778, ptr %[[VT]], {{.*}}) {{.*}} !nosanitize39// MS: call void @__cfi_slowpath_diag(i64 -8005289897957287421, ptr %[[VT]], {{.*}}) {{.*}} !nosanitize40// CHECK: br label %[[CONT]], !nosanitize41// CHECK: [[CONT]]42// CHECK: call void %{{.*}}(ptr {{[^,]*}} %{{.*}})43 44// No hash-based bit set entry for (anonymous namespace)::B45// ITANIUM-NOT: !{i64 {{.*}}, ptr @_ZTVN12_GLOBAL__N_11BE,46// MS-NOT: !{i64 {{.*}}, ptr @[[B_VTABLE]],47