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// RUN: %clang_cc1 -O0 -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
class A {
public:
int x;
A() {}
virtual ~A() {}
};
A a;
class B : virtual public A {
public:
int y;
B() {}
~B() {}
};
B b;
// CHECK-LABEL: define {{.*}}AD1Ev
// CHECK-NOT: call void @__sanitizer_dtor_callback
// CHECK: call void {{.*}}AD2Ev
// CHECK-NOT: call void @__sanitizer_dtor_callback
// CHECK: ret void
// After invoking base dtor and dtor for virtual base, poison vtable ptr.
// CHECK-LABEL: define {{.*}}BD1Ev
// CHECK-NOT: call void @__sanitizer_dtor_callback
// CHECK: call void {{.*}}BD2Ev
// CHECK-NOT: call void @__sanitizer_dtor_callback
// CHECK: call void {{.*}}AD2Ev
// CHECK: call void @__sanitizer_dtor_callback{{.*}}i64 8
// CHECK-NOT: call void @__sanitizer_dtor_callback
// CHECK: ret void
// Since no virtual bases, poison vtable ptr here.
// CHECK-LABEL: define {{.*}}AD2Ev
// 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
// CHECK-LABEL: define {{.*}}BD2Ev
// CHECK: call void @__sanitizer_dtor_callback
// CHECK-NOT: call void @__sanitizer_dtor_callback
// CHECK: ret void
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