1 // RUN: %clang_dfsan -m64 %s -o %t && %t
2 // RUN: %clang_dfsan -mllvm -dfsan-args-abi -m64 %s -o %t && %t
3 
4 // Tests that labels are propagated through loads and stores.
5 
6 #include <sanitizer/dfsan_interface.h>
7 #include <assert.h>
8 
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   return 0;
21 }
22