1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
// RUN: %clang_cc1 -O0 -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_"
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: call void {{.*}}AD2Ev
// CHECK: ret void
// After invoking base dtor and dtor for virtual base, poison vtable ptr.
// CHECK-LABEL: define {{.*}}BD1Ev
// CHECK: call void {{.*}}BD2Ev
// CHECK: call void {{.*}}AD2Ev
// CHECK: call void @__sanitizer_dtor_callback_vptr{{.*}}, !dbg ![[DI1:[0-9]+]]
// CHECK: ret void
// Since no virtual bases, poison vtable ptr here.
// CHECK-LABEL: define {{.*}}AD2Ev
// CHECK: call void @__sanitizer_dtor_callback_fields{{.*}}, !dbg ![[DI2:[0-9]+]]
// CHECK: call void @__sanitizer_dtor_callback_vptr{{.*}}, !dbg ![[DI3:[0-9]+]]
// CHECK: ret void
// Poison members
// CHECK-LABEL: define {{.*}}BD2Ev
// CHECK: call void @__sanitizer_dtor_callback_fields{{.*}}, !dbg ![[DI4:[0-9]+]]
// CHECK: ret void
// CHECK-LABEL: !DIFile{{.*}}sanitize-dtor-vtable.cpp
// CHECK-DAG: ![[DI1]] = {{.*}}line: [[@LINE-28]]
// CHECK-DAG: ![[DI2]] = {{.*}}line: [[@LINE-39]]
// CHECK-DAG: ![[DI3]] = {{.*}}line: [[@LINE-38]]
// CHECK-DAG: ![[DI4]] = {{.*}}line: [[@LINE-33]]
|
