blob: 458fba66dbbe616c14fb2463f7cff0c0a3864a64 [file] [log] [blame]
Alexey Samsonov3e407032015-03-02 19:34:06 +00001// RUN: %clang_dfsan %s -o %t && %run %t
2// RUN: %clang_dfsan -mllvm -dfsan-args-abi %s -o %t && %run %t
Peter Collingbourne5cbab072013-08-07 22:47:26 +00003
4// Tests that labels are propagated through function calls.
5
6#include <sanitizer/dfsan_interface.h>
7#include <assert.h>
8
9int f(int x) {
10 int j = 2;
11 dfsan_label j_label = dfsan_create_label("j", 0);
12 dfsan_set_label(j_label, &j, sizeof(j));
13 return x + j;
14}
15
16int main(void) {
17 int i = 1;
18 dfsan_label i_label = dfsan_create_label("i", 0);
19 dfsan_set_label(i_label, &i, sizeof(i));
20
21 dfsan_label ij_label = dfsan_get_label(f(i));
22 assert(dfsan_has_label(ij_label, i_label));
23 assert(dfsan_has_label_with_desc(ij_label, "j"));
24
25 return 0;
26}