forked from OSchip/llvm-project
23 lines
749 B
C++
23 lines
749 B
C++
// 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;
|
|
}
|