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1// RUN: %clang_dfsan %s -o %t && %run %t2 3// Tests that labels are propagated through loads and stores.4 5#include <sanitizer/dfsan_interface.h>6#include <assert.h>7 8int main(void) {9 int i = 1;10 dfsan_label i_label = 1;11 dfsan_set_label(i_label, &i, sizeof(i));12 13 dfsan_label new_label = dfsan_get_label(i);14 assert(i_label == new_label);15 16 dfsan_label read_label = dfsan_read_label(&i, sizeof(i));17 assert(i_label == read_label);18 19 dfsan_label j_label = 2;20 dfsan_add_label(j_label, &i, sizeof(i));21 22 read_label = dfsan_read_label(&i, sizeof(i));23 assert(dfsan_has_label(read_label, i_label));24 assert(dfsan_has_label(read_label, j_label));25 26 return 0;27}28