| Naomi Musgrave | e50cb9b | 2015-08-13 18:35:11 +0000 | [diff] [blame] | 1 | // 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 |
| 2 | // 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 |
| 3 | |
| 4 | // Only the last dtor of a class invokes the sanitizing callback |
| 5 | // Sanitizing callback emited prior to base class dtor invocations |
| 6 | |
| 7 | class Base { |
| 8 | public: |
| 9 | int x; |
| 10 | Base() { |
| 11 | x = 5; |
| 12 | } |
| 13 | virtual ~Base() { |
| 14 | x += 1; |
| 15 | } |
| 16 | }; |
| 17 | |
| 18 | class Derived : public Base { |
| 19 | public: |
| 20 | int y; |
| 21 | Derived() { |
| 22 | y = 10; |
| 23 | } |
| 24 | ~Derived() { |
| 25 | y += 1; |
| 26 | } |
| 27 | }; |
| 28 | |
| 29 | Derived d; |
| 30 | |
| 31 | // CHECK-LABEL: define {{.*}}DerivedD1Ev |
| 32 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
| 33 | // CHECK: call void {{.*}}DerivedD2Ev |
| 34 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
| 35 | // CHECK: ret void |
| 36 | |
| 37 | // CHECK-LABEL: define {{.*}}DerivedD0Ev |
| 38 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
| 39 | // CHECK: call void {{.*}}DerivedD1Ev |
| 40 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
| 41 | // CHECK: ret void |
| 42 | |
| 43 | // CHECK-LABEL: define {{.*}}BaseD1Ev |
| 44 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
| 45 | // CHECK: call void {{.*}}BaseD2Ev |
| 46 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
| 47 | // CHECK: ret void |
| 48 | |
| 49 | // CHECK-LABEL: define {{.*}}BaseD0Ev |
| 50 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
| 51 | // CHECK: call void {{.*}}BaseD1Ev |
| 52 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
| 53 | // CHECK: ret void |
| 54 | |
| 55 | // CHECK-LABEL: define {{.*}}BaseD2Ev |
| 56 | // CHECK: call void @__sanitizer_dtor_callback |
| 57 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
| 58 | // CHECK: ret void |
| 59 | |
| 60 | // CHECK-LABEL: define {{.*}}DerivedD2Ev |
| 61 | // CHECK: call void @__sanitizer_dtor_callback |
| 62 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
| 63 | // CHECK: call void {{.*}}BaseD2Ev |
| 64 | // CHECK-NOT: call void @__sanitizer_dtor_callback |
| 65 | // CHECK: ret void |