| Naomi Musgrave | 866af2d | 2015-09-03 23:02:30 +0000 | [diff] [blame] | 1 | // 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 |
| 2 | // 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 |
| 3 | |
| 4 | template <class T> |
| 5 | class Vector { |
| 6 | public: |
| 7 | int size; |
| 8 | ~Vector() { |
| 9 | size += 1; |
| 10 | } |
| 11 | }; |
| 12 | |
| 13 | struct Base { |
| 14 | int b1; |
| 15 | double b2; |
| 16 | Base() { |
| 17 | b1 = 5; |
| 18 | b2 = 10.989; |
| 19 | } |
| 20 | virtual ~Base() {} |
| 21 | }; |
| 22 | |
| 23 | struct VirtualBase { |
| 24 | int vb1; |
| 25 | int vb2; |
| 26 | VirtualBase() { |
| 27 | vb1 = 10; |
| 28 | vb2 = 11; |
| 29 | } |
| 30 | virtual ~VirtualBase() {} |
| 31 | }; |
| 32 | |
| 33 | struct Derived : public Base, public virtual VirtualBase { |
| 34 | int d1; |
| 35 | Vector<int> v; |
| 36 | int d2; |
| 37 | Derived() { |
| 38 | d1 = 10; |
| 39 | } |
| 40 | ~Derived() {} |
| 41 | }; |
| 42 | |
| 43 | Derived d; |
| 44 | |
| 45 | // Destruction order: |
| 46 | // Derived: int, Vector, Base, VirtualBase |
| 47 | |
| 48 | // CHECK-LABEL: define {{.*}}ZN7DerivedD1Ev |
| 49 | // CHECK: call void {{.*}}ZN11VirtualBaseD2Ev |
| 50 | // CHECK: ret void |
| 51 | |
| 52 | // CHECK-LABEL: define {{.*}}ZN7DerivedD0Ev |
| 53 | // CHECK: ret void |
| 54 | |
| 55 | // CHECK-LABEL: define {{.*}}ZN11VirtualBaseD1Ev |
| 56 | // CHECK: ret void |
| 57 | |
| 58 | // CHECK-LABEL: define {{.*}}ZN11VirtualBaseD0Ev |
| 59 | // CHECK: ret void |
| 60 | |
| 61 | // poison 2 ints |
| 62 | // CHECK-LABEL: define {{.*}}ZN11VirtualBaseD2Ev |
| 63 | // CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 8) |
| 64 | // CHECK: ret void |
| 65 | |
| 66 | // poison int and double |
| 67 | // CHECK-LABEL: define {{.*}}ZN4BaseD2Ev |
| 68 | // CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 16) |
| 69 | // CHECK: ret void |
| 70 | |
| 71 | // poison int, ignore vector, poison int |
| 72 | // CHECK-LABEL: define {{.*}}ZN7DerivedD2Ev |
| 73 | // CHECK: call void {{.*}}ZN6VectorIiED1Ev |
| 74 | // CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 4) |
| 75 | // CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 4) |
| 76 | // CHECK: call void {{.*}}ZN4BaseD2Ev |
| 77 | // CHECK: ret void |
| 78 | |
| 79 | // poison int |
| 80 | // CHECK-LABEL: define {{.*}}ZN6VectorIiED2Ev |
| 81 | // CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 4) |
| 82 | // CHECK: ret void |