| 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 | |