diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/sanitizer_common/TestCases/sanitizer_coverage_stack_depth.cc | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/sanitizer_common/TestCases/sanitizer_coverage_stack_depth.cc b/test/sanitizer_common/TestCases/sanitizer_coverage_stack_depth.cc new file mode 100644 index 000000000..90959ef5b --- /dev/null +++ b/test/sanitizer_common/TestCases/sanitizer_coverage_stack_depth.cc @@ -0,0 +1,32 @@ +// Tests -fsanitize-coverage=stack-depth +// +// XFAIL: tsan +// +// RUN: %clangxx -O0 -std=c++11 -fsanitize-coverage=stack-depth %s -o %t +// RUN: %run %t 2>&1 | FileCheck %s --implicit-check-not Assertion{{.*}}failed +// RUN: %clangxx -O0 -std=c++11 -fsanitize-coverage=trace-pc-guard,stack-depth \ +// RUN: %s -o %t +// RUN: %run %t 2>&1 | FileCheck %s --implicit-check-not Assertion{{.*}}failed + +#include <cstdint> +#include <cstdio> +#include <cassert> + +thread_local uintptr_t __sancov_lowest_stack; +uintptr_t last_stack; + +void foo(int recurse) { + assert(__sancov_lowest_stack < last_stack); + last_stack = __sancov_lowest_stack; + if (recurse <= 0) return; + foo(recurse - 1); +} + +int main() { + last_stack = __sancov_lowest_stack; + foo(100); + printf("Success!\n"); + return 0; +} + +// CHECK: Success! |