// RUN: %clang_cc1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s // 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 // Base dtor poisons members // Complete dtor poisons vtable ptr after destroying members and // virtual bases class Base { public: int x; Base() { x = 5; } virtual ~Base() { x += 1; } }; class Derived : public Base { public: int y; Derived() { y = 10; } ~Derived() { y += 1; } }; Derived d; // Invoke base destructor. No vtable pointer to poison. // CHECK-LABEL: define {{.*}}DerivedD1Ev // CHECK-NOT: call void @__sanitizer_dtor_callback // CHECK: call void {{.*}}DerivedD2Ev // CHECK-NOT: call void @__sanitizer_dtor_callback // CHECK: ret void // CHECK-LABEL: define {{.*}}DerivedD0Ev // CHECK-NOT: call void @__sanitizer_dtor_callback // CHECK: call void {{.*}}DerivedD1Ev // CHECK-NOT: call void @__sanitizer_dtor_callback // CHECK: ret void // Invokes base destructor, and poison vtable pointer. // CHECK-LABEL: define {{.*}}BaseD1Ev // CHECK-NOT: call void @__sanitizer_dtor_callback // CHECK: call void {{.*}}BaseD2Ev // CHECK-NOT: call void @__sanitizer_dtor_callback // CHECK: ret void // CHECK-LABEL: define {{.*}}BaseD0Ev // CHECK-NOT: call void @__sanitizer_dtor_callback // CHECK: call void {{.*}}BaseD1Ev // CHECK-NOT: call void @__sanitizer_dtor_callback // CHECK: ret void // Poison members and vtable ptr. // CHECK-LABEL: define {{.*}}BaseD2Ev // CHECK: call void @__sanitizer_dtor_callback // CHECK: call void @__sanitizer_dtor_callback{{.*}}i64 8 // CHECK-NOT: call void @__sanitizer_dtor_callback // CHECK: ret void // Poison members and destroy non-virtual base. // CHECK-LABEL: define {{.*}}DerivedD2Ev // CHECK: call void @__sanitizer_dtor_callback // CHECK-NOT: call void @__sanitizer_dtor_callback // CHECK: call void {{.*}}BaseD2Ev // CHECK: call void @__sanitizer_dtor_callback{{.*}}i64 8 // CHECK: ret void