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// RUN: %clang_cc1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-optzns -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-optzns -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
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