llvm-project/compiler-rt/test/msan/no_sanitize_memory_prop.cc

25 lines
563 B
C++

// 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;
}