gcc/testsuite/gcc.dg/tree-ssa/vrp61.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-vrp1" } */
   3
   4 int f (int x, int y)
   5 {
   6   if (x > -1024 && x < 0 && y > -1024 && y < 0)
   7     {
   8       x = x ^ y;
   9       if (x < 0 || x > 1023)
  10         return 1234;
  11     }
  12   return x;
  13 }
  14
  15 /* { dg-final { scan-tree-dump-not "1234" "vrp1" } } */
  16 /* { dg-final { cleanup-tree-dump "vrp1" } } */