| // RUN: %clang_cc1 -O0 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -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-passes -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 |
