forked from OSchip/llvm-project
50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
|
// RUN: %clangxx_cfi -g -fsanitize-stats -o %t %s
|
||
|
|
// RUN: env SANITIZER_STATS_PATH=%t.stats %t
|
||
|
|
// RUN: sanstats %t.stats | FileCheck %s
|
||
|
|
|
||
|
|
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);
|
||
|
|
}
|