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