1 // RUN: %clang_dfsan %s -o %t && %run %t
2 // RUN: %clang_dfsan -mllvm -dfsan-args-abi %s -o %t && %run %t
3
4 // Tests that labels are propagated through loads and stores.
5
6 #include <sanitizer/dfsan_interface.h>
7 #include <assert.h>
8
main(void)9 int main(void) {
10 int i = 1;
11 dfsan_label i_label = dfsan_create_label("i", 0);
12 dfsan_set_label(i_label, &i, sizeof(i));
13
14 dfsan_label new_label = dfsan_get_label(i);
15 assert(i_label == new_label);
16
17 dfsan_label read_label = dfsan_read_label(&i, sizeof(i));
18 assert(i_label == read_label);
19
20 dfsan_label j_label = dfsan_create_label("j", 0);
21 dfsan_add_label(j_label, &i, sizeof(i));
22
23 read_label = dfsan_read_label(&i, sizeof(i));
24 assert(dfsan_has_label(read_label, i_label));
25 assert(dfsan_has_label(read_label, j_label));
26
27 return 0;
28 }
29