| // RUN: %clang_cc1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -debug-info-kind=line-tables-only -o - %s | FileCheck %s --implicit-check-not="call void @__sanitizer_" |
| // RUN: %clang_cc1 -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -debug-info-kind=line-tables-only -o - %s | FileCheck %s --implicit-check-not="call void @__sanitizer_" |
| |
| // Base dtor poisons members |
| // Complete dtor poisons vtable ptr after destroying members and |
| // virtual bases |
| |
| class Base { |
| public: |
| int x; |
| Base() { |
| x = 5; |
| } |
| virtual ~Base() { |
| x += 1; |
| } |
| }; |
| |
| class Derived : public Base { |
| public: |
| int y; |
| Derived() { |
| y = 10; |
| } |
| ~Derived() { |
| y += 1; |
| } |
| }; |
| |
| Derived d; |
| |
| // Invoke base destructor. No vtable pointer to poison. |
| // CHECK-LABEL: define {{.*}}DerivedD1Ev |
| // CHECK: call void {{.*}}DerivedD2Ev |
| // CHECK: ret void |
| |
| // CHECK-LABEL: define {{.*}}DerivedD0Ev |
| // CHECK: call void {{.*}}DerivedD1Ev |
| // CHECK: ret void |
| |
| // Invokes base destructor, and poison vtable pointer. |
| // CHECK-LABEL: define {{.*}}BaseD1Ev |
| // CHECK: call void {{.*}}BaseD2Ev |
| // CHECK: ret void |
| |
| // CHECK-LABEL: define {{.*}}BaseD0Ev |
| // CHECK: call void {{.*}}BaseD1Ev |
| // CHECK: ret void |
| |
| // Poison members and vtable ptr. |
| // CHECK-LABEL: define {{.*}}BaseD2Ev |
| // CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}, !dbg ![[DI1:[0-9]+]] |
| // CHECK: call void @__sanitizer_dtor_callback_vptr({{.*}}){{.*}}, !dbg ![[DI2:[0-9]+]] |
| // CHECK: ret void |
| |
| // Poison members and destroy non-virtual base. |
| // CHECK-LABEL: define {{.*}}DerivedD2Ev |
| // CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}, !dbg ![[DI3:[0-9]+]] |
| // CHECK: call void {{.*}}BaseD2Ev |
| // CHECK: call void @__sanitizer_dtor_callback_vptr({{.*}}){{.*}}, !dbg ![[DI4:[0-9]+]] |
| // CHECK: ret void |
| |
| // CHECK-LABEL: !DIFile{{.*}}cpp |
| |
| // CHECK-DAG: ![[DI1]] = {{.*}}line: [[@LINE-55]] |
| // CHECK-DAG: ![[DI2]] = {{.*}}line: [[@LINE-50]] |
| // CHECK-DAG: ![[DI3]] = {{.*}}line: [[@LINE-46]] |
| // CHECK-DAG: ![[DI4]] = {{.*}}line: [[@LINE-41]] |