| // RUN: %clangxx_msan -m64 -O0 %s -o %t && not %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out |
| // RUN: %clangxx_msan -m64 -O1 %s -o %t && not %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out |
| // RUN: %clangxx_msan -m64 -O2 %s -o %t && not %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out |
| // RUN: %clangxx_msan -m64 -O3 %s -o %t && not %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out |
| |
| #include <stdlib.h> |
| int main(int argc, char **argv) { |
| int x; |
| int *volatile p = &x; |
| int z = *p ? 1 : 0; |
| if (z) |
| exit(0); |
| // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value |
| // CHECK: {{#0 0x.* in main .*select.cc:}}[[@LINE-3]] |
| |
| // CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*select.cc:.* main}} |
| return 0; |
| } |
