forked from OSchip/llvm-project
32 lines
707 B
C
32 lines
707 B
C
// RUN: %clang_dfsan %s -o %t && %run %t
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// RUN: %clang_dfsan -mllvm -dfsan-args-abi %s -o %t && %run %t
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//
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// REQUIRES: x86_64-target-arch
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//
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// Tests that labels are propagated through function calls.
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#include <sanitizer/dfsan_interface.h>
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#include <assert.h>
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int f(int x) {
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int j = 2;
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dfsan_label j_label = 2;
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dfsan_set_label(j_label, &j, sizeof(j));
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return x + j;
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}
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int main(void) {
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int i = 1;
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dfsan_label i_label = 4;
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dfsan_set_label(i_label, &i, sizeof(i));
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dfsan_label ij_label = dfsan_get_label(f(i));
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assert(dfsan_has_label(ij_label, i_label));
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/* Must be consistent with the one in f(). */
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dfsan_label j_label = 2;
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assert(dfsan_has_label(ij_label, 2));
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return 0;
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}
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