1 | // RUN: %clangxx_msan -O0 %s -o %t && not %run %t >%t.out 2>&1 |
2 | // RUN: FileCheck %s < %t.out |
3 | // RUN: %clangxx_msan -O1 %s -o %t && not %run %t >%t.out 2>&1 |
4 | // RUN: FileCheck %s < %t.out |
5 | // RUN: %clangxx_msan -O2 %s -o %t && not %run %t >%t.out 2>&1 |
6 | // RUN: FileCheck %s < %t.out |
7 | // RUN: %clangxx_msan -O3 %s -o %t && not %run %t >%t.out 2>&1 |
8 | // RUN: FileCheck %s < %t.out |
9 | |
10 | #include <stdlib.h> |
11 | int main(int argc, char **argv) { |
12 | int x; |
13 | int *volatile p = &x; |
14 | int z = *p ? 1 : 0; |
15 | if (z) |
16 | exit(status: 0); |
17 | // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value |
18 | // CHECK: {{#0 0x.* in main .*select.cpp:}}[[@LINE-3]] |
19 | |
20 | // CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*select.cpp:.* main}} |
21 | return 0; |
22 | } |
23 | |