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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
// 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
// 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
// Tests that flags work correctly.
#include <sanitizer/dfsan_interface.h>
int f(int i) {
return i;
}
int main(void) {
int i = 1;
dfsan_label i_label = dfsan_create_label("i", 0);
dfsan_set_label(i_label, &i, sizeof(i));
// CHECK: WARNING: DataFlowSanitizer: call to uninstrumented function f
// CHECK-NOT: WARNING: DataFlowSanitizer: saw nonzero label
// CHECK-NONZERO: WARNING: DataFlowSanitizer: saw nonzero label
f(i);
return 0;
}
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