third_party/llvm-project/clang/test/CodeGenCXX/sanitize-dtor-nontrivial-virtual-base.cpp

// RUN: %clang_cc1 -fsanitize=memory -O0 -fsanitize-memory-use-after-dtor -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -fsanitize=memory -O1 -fsanitize-memory-use-after-dtor -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s

template <class T>
class Vector {
public:
  int size;
  ~Vector() {
    size += 1;
  }
};

struct Base {
  int b1;
  double b2;
  Base() {
    b1 = 5;
    b2 = 10.989;
  }
  virtual ~Base() {}
};

struct VirtualBase {
  int vb1;
  int vb2;
  VirtualBase() {
    vb1 = 10;
    vb2 = 11;
  }
  virtual ~VirtualBase() {}
};

struct Derived : public Base, public virtual VirtualBase {
  int d1;
  Vector<int> v;
  int d2;
  Derived() {
    d1 = 10;
  }
  ~Derived() {}
};

Derived d;

// Destruction order:
// Derived: int, Vector, Base, VirtualBase

// CHECK-LABEL: define {{.*}}ZN7DerivedD1Ev
// CHECK: call void {{.*}}ZN11VirtualBaseD2Ev
// CHECK: ret void

// CHECK-LABEL: define {{.*}}ZN7DerivedD0Ev
// CHECK: ret void

// CHECK-LABEL: define {{.*}}ZN11VirtualBaseD1Ev
// CHECK: ret void

// CHECK-LABEL: define {{.*}}ZN11VirtualBaseD0Ev
// CHECK: ret void

// poison 2 ints
// CHECK-LABEL: define {{.*}}ZN11VirtualBaseD2Ev
// CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 8)
// CHECK: ret void

// poison int and double
// CHECK-LABEL: define {{.*}}ZN4BaseD2Ev
// CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 16)
// CHECK: ret void

// poison int, ignore vector, poison int
// CHECK-LABEL: define {{.*}}ZN7DerivedD2Ev
// CHECK: call void {{.*}}ZN6VectorIiED1Ev
// CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 4)
// CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 4)
// CHECK: call void {{.*}}ZN4BaseD2Ev
// CHECK: ret void

// poison int
// CHECK-LABEL: define {{.*}}ZN6VectorIiED2Ev
// CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 4)
// CHECK: ret void