2015-03-03 03:34:06 +08:00
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// RUN: %clang_dfsan %s -fsanitize-blacklist=%S/Inputs/flags_abilist.txt -mllvm -dfsan-debug-nonzero-labels -o %t && %run %t 2>&1 | FileCheck %s
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// RUN: %clang_dfsan %s -fsanitize-blacklist=%S/Inputs/flags_abilist.txt -mllvm -dfsan-debug-nonzero-labels -o %t && DFSAN_OPTIONS=warn_unimplemented=0 %run %t 2>&1 | count 0
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// RUN: %clang_dfsan %s -fsanitize-blacklist=%S/Inputs/flags_abilist.txt -mllvm -dfsan-debug-nonzero-labels -o %t && DFSAN_OPTIONS=warn_nonzero_labels=1 %run %t 2>&1 | FileCheck --check-prefix=CHECK-NONZERO %s
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2013-09-10 09:51:35 +08:00
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// Tests that flags work correctly.
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#include <sanitizer/dfsan_interface.h>
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int f(int i) {
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return i;
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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 = dfsan_create_label("i", 0);
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dfsan_set_label(i_label, &i, sizeof(i));
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// CHECK: WARNING: DataFlowSanitizer: call to uninstrumented function f
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// CHECK-NOT: WARNING: DataFlowSanitizer: saw nonzero label
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// CHECK-NONZERO: WARNING: DataFlowSanitizer: saw nonzero label
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f(i);
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return 0;
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}
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