Home | History | Annotate | Download | only in msan
      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(0);
     17   // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
     18   // CHECK: {{#0 0x.* in main .*select.cc:}}[[@LINE-3]]
     19 
     20   // CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*select.cc:.* main}}
     21   return 0;
     22 }
     23