xref: /aosp_15_r20/external/compiler-rt/test/msan/select.cc (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6) 
1*7c3d14c8STreehugger Robot // RUN: %clangxx_msan -O0 %s -o %t && not %run %t >%t.out 2>&1
2*7c3d14c8STreehugger Robot // RUN: FileCheck %s < %t.out
3*7c3d14c8STreehugger Robot // RUN: %clangxx_msan -O1 %s -o %t && not %run %t >%t.out 2>&1
4*7c3d14c8STreehugger Robot // RUN: FileCheck %s < %t.out
5*7c3d14c8STreehugger Robot // RUN: %clangxx_msan -O2 %s -o %t && not %run %t >%t.out 2>&1
6*7c3d14c8STreehugger Robot // RUN: FileCheck %s < %t.out
7*7c3d14c8STreehugger Robot // RUN: %clangxx_msan -O3 %s -o %t && not %run %t >%t.out 2>&1
8*7c3d14c8STreehugger Robot // RUN: FileCheck %s < %t.out
9*7c3d14c8STreehugger Robot 
10*7c3d14c8STreehugger Robot #include <stdlib.h>
main(int argc,char ** argv)11*7c3d14c8STreehugger Robot int main(int argc, char **argv) {
12*7c3d14c8STreehugger Robot   int x;
13*7c3d14c8STreehugger Robot   int *volatile p = &x;
14*7c3d14c8STreehugger Robot   int z = *p ? 1 : 0;
15*7c3d14c8STreehugger Robot   if (z)
16*7c3d14c8STreehugger Robot     exit(0);
17*7c3d14c8STreehugger Robot   // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
18*7c3d14c8STreehugger Robot   // CHECK: {{#0 0x.* in main .*select.cc:}}[[@LINE-3]]
19*7c3d14c8STreehugger Robot 
20*7c3d14c8STreehugger Robot   // CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*select.cc:.* main}}
21*7c3d14c8STreehugger Robot   return 0;
22*7c3d14c8STreehugger Robot }
23