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150
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1 // RUN: %clang_dfsan %s -o %t && %run %t
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2 // RUN: %clang_dfsan -mllvm -dfsan-args-abi %s -o %t && %run %t
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221
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3 //
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4 // REQUIRES: x86_64-target-arch
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150
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5
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6 // Tests that labels are propagated through loads and stores.
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7
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8 #include <sanitizer/dfsan_interface.h>
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9 #include <assert.h>
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10
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11 int main(void) {
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12 int i = 1;
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13 dfsan_label i_label = dfsan_create_label("i", 0);
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14 dfsan_set_label(i_label, &i, sizeof(i));
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15
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16 dfsan_label new_label = dfsan_get_label(i);
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17 assert(i_label == new_label);
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18
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19 dfsan_label read_label = dfsan_read_label(&i, sizeof(i));
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20 assert(i_label == read_label);
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21
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22 dfsan_label j_label = dfsan_create_label("j", 0);
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23 dfsan_add_label(j_label, &i, sizeof(i));
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24
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25 read_label = dfsan_read_label(&i, sizeof(i));
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26 assert(dfsan_has_label(read_label, i_label));
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27 assert(dfsan_has_label(read_label, j_label));
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28
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29 return 0;
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30 }
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