llvm-project/compiler-rt/test/dfsan/basic.c

29 lines
793 B
C

// RUN: %clang_dfsan -m64 %s -o %t && %run %t
// RUN: %clang_dfsan -mllvm -dfsan-args-abi -m64 %s -o %t && %run %t
// Tests that labels are propagated through loads and stores.
#include <sanitizer/dfsan_interface.h>
#include <assert.h>
int main(void) {
int i = 1;
dfsan_label i_label = dfsan_create_label("i", 0);
dfsan_set_label(i_label, &i, sizeof(i));
dfsan_label new_label = dfsan_get_label(i);
assert(i_label == new_label);
dfsan_label read_label = dfsan_read_label(&i, sizeof(i));
assert(i_label == read_label);
dfsan_label j_label = dfsan_create_label("j", 0);
dfsan_add_label(j_label, &i, sizeof(i));
read_label = dfsan_read_label(&i, sizeof(i));
assert(dfsan_has_label(read_label, i_label));
assert(dfsan_has_label(read_label, j_label));
return 0;
}