diff options
Diffstat (limited to 'test/msan/no_sanitize_memory_prop.cc')
-rw-r--r-- | test/msan/no_sanitize_memory_prop.cc | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/msan/no_sanitize_memory_prop.cc b/test/msan/no_sanitize_memory_prop.cc new file mode 100644 index 0000000000000..4275ebbf78e1f --- /dev/null +++ b/test/msan/no_sanitize_memory_prop.cc @@ -0,0 +1,24 @@ +// RUN: %clangxx_msan -m64 -O0 %s -o %t && %run %t >%t.out 2>&1 +// RUN: %clangxx_msan -m64 -O1 %s -o %t && %run %t >%t.out 2>&1 +// RUN: %clangxx_msan -m64 -O2 %s -o %t && %run %t >%t.out 2>&1 +// RUN: %clangxx_msan -m64 -O3 %s -o %t && %run %t >%t.out 2>&1 + +// Test that (no_sanitize_memory) functions DO NOT propagate shadow. + +#include <stdlib.h> +#include <stdio.h> + +__attribute__((noinline)) +__attribute__((no_sanitize_memory)) +int f(int x) { + return x; +} + +int main(void) { + int x; + int * volatile p = &x; + int y = f(*p); + if (y) + exit(0); + return 0; +} |