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// RUN: %clang_dfsan %s -mllvm -dfsan-fast-16-labels -o %t
// RUN: %run %t
//
// Tests fast16labels mode.
#include <sanitizer/dfsan_interface.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
int foo(int a, int b) {
return a + b;
}
int main(int argc, char *argv[]) {
int a = 10;
int b = 20;
dfsan_set_label(8, &a, sizeof(a));
dfsan_set_label(512, &b, sizeof(b));
int c = foo(a, b);
printf("A: 0x%x\n", dfsan_get_label(a));
printf("B: 0x%x\n", dfsan_get_label(b));
dfsan_label l = dfsan_get_label(c);
printf("C: 0x%x\n", l);
assert(l == 520); // OR of the other two labels.
}