1 // RUN: %clang_cc1 -O0 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s 2 // RUN: %clang_cc1 -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s 3 4 class A { 5 public: 6 int x; A()7 A() {} ~A()8 virtual ~A() {} 9 }; 10 A a; 11 12 class B : virtual public A { 13 public: 14 int y; B()15 B() {} ~B()16 ~B() {} 17 }; 18 B b; 19 20 // CHECK-LABEL: define {{.*}}AD1Ev 21 // CHECK-NOT: call void @__sanitizer_dtor_callback 22 // CHECK: call void {{.*}}AD2Ev 23 // CHECK-NOT: call void @__sanitizer_dtor_callback 24 // CHECK: ret void 25 26 // After invoking base dtor and dtor for virtual base, poison vtable ptr. 27 // CHECK-LABEL: define {{.*}}BD1Ev 28 // CHECK-NOT: call void @__sanitizer_dtor_callback 29 // CHECK: call void {{.*}}BD2Ev 30 // CHECK-NOT: call void @__sanitizer_dtor_callback 31 // CHECK: call void {{.*}}AD2Ev 32 // CHECK: call void @__sanitizer_dtor_callback{{.*}}i64 8 33 // CHECK-NOT: call void @__sanitizer_dtor_callback 34 // CHECK: ret void 35 36 // Since no virtual bases, poison vtable ptr here. 37 // CHECK-LABEL: define {{.*}}AD2Ev 38 // CHECK: call void @__sanitizer_dtor_callback 39 // CHECK: call void @__sanitizer_dtor_callback{{.*}}i64 8 40 // CHECK-NOT: call void @__sanitizer_dtor_callback 41 // CHECK: ret void 42 43 // Poison members 44 // CHECK-LABEL: define {{.*}}BD2Ev 45 // CHECK: call void @__sanitizer_dtor_callback 46 // CHECK-NOT: call void @__sanitizer_dtor_callback 47 // CHECK: ret void 48