blob: eb0c2ed9534281e21f6ff40fdc8d40d1f69f3c65 (
plain)
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
48
49
50
51
52
|
// RUN: %clangxx_cfi -g -fsanitize-stats -o %t %s
// RUN: env SANITIZER_STATS_PATH=%t.stats %run %t
// RUN: sanstats %t.stats | FileCheck %s
// FIXME: We currently emit the wrong debug info under devirtualization.
// UNSUPPORTED: devirt
struct ABase {};
struct A : ABase {
virtual void vf() {}
void nvf() {}
};
extern "C" __attribute__((noinline)) void vcall(A *a) {
// CHECK: stats.cpp:[[@LINE+1]] {{_?}}vcall cfi-vcall 37
a->vf();
}
extern "C" __attribute__((noinline)) void nvcall(A *a) {
// CHECK: stats.cpp:[[@LINE+1]] {{_?}}nvcall cfi-nvcall 51
a->nvf();
}
extern "C" __attribute__((noinline)) A *dcast(A *a) {
// CHECK: stats.cpp:[[@LINE+1]] {{_?}}dcast cfi-derived-cast 24
return (A *)(ABase *)a;
}
extern "C" __attribute__((noinline)) A *ucast(A *a) {
// CHECK: stats.cpp:[[@LINE+1]] {{_?}}ucast cfi-unrelated-cast 81
return (A *)(char *)a;
}
extern "C" __attribute__((noinline)) void unreachable(A *a) {
// CHECK-NOT: unreachable
a->vf();
}
int main() {
A a;
for (unsigned i = 0; i != 37; ++i)
vcall(&a);
for (unsigned i = 0; i != 51; ++i)
nvcall(&a);
for (unsigned i = 0; i != 24; ++i)
dcast(&a);
for (unsigned i = 0; i != 81; ++i)
ucast(&a);
for (unsigned i = 0; i != 0; ++i)
unreachable(&a);
}
|
