forked from OSchip/llvm-project
35 lines
963 B
C++
35 lines
963 B
C++
// RUN: %clangxx_msan -O0 %s -o %t && %run %t >%t.out 2>&1
|
|
// RUN: %clangxx_msan -O1 %s -o %t && %run %t >%t.out 2>&1
|
|
// RUN: %clangxx_msan -O2 %s -o %t && %run %t >%t.out 2>&1
|
|
// RUN: %clangxx_msan -O3 %s -o %t && %run %t >%t.out 2>&1
|
|
|
|
// RUN: %clangxx_msan -O0 %s -o %t -DCHECK_IN_F && %run %t >%t.out 2>&1
|
|
// RUN: %clangxx_msan -O1 %s -o %t -DCHECK_IN_F && %run %t >%t.out 2>&1
|
|
// RUN: %clangxx_msan -O2 %s -o %t -DCHECK_IN_F && %run %t >%t.out 2>&1
|
|
// RUN: %clangxx_msan -O3 %s -o %t -DCHECK_IN_F && %run %t >%t.out 2>&1
|
|
|
|
// Test that (no_sanitize_memory) functions
|
|
// * don't check shadow values (-DCHECK_IN_F)
|
|
// * treat all values loaded from memory as fully initialized (-UCHECK_IN_F)
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
__attribute__((noinline))
|
|
__attribute__((no_sanitize_memory))
|
|
int f(void) {
|
|
int x;
|
|
int * volatile p = &x;
|
|
#ifdef CHECK_IN_F
|
|
if (*p)
|
|
exit(0);
|
|
#endif
|
|
return *p;
|
|
}
|
|
|
|
int main(void) {
|
|
if (f())
|
|
exit(0);
|
|
return 0;
|
|
}
|