gcc/testsuite/gcc.dg/tree-ssa/vrp70.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target int32plus } */
   3 /* { dg-options "-O2 -fdump-tree-vrp1" } */
   4
   5 extern void link_error (void);
   6
   7 void
   8 foo (unsigned int s)
   9 {
  10   if (s + 0x70000000 < 0xf0000000U)
  11     {
  12       if (s >= 0x80000000U && s < 0x90000000U)
  13         link_error ();
  14     }
  15 }
  16
  17 void
  18 bar (unsigned int s)
  19 {
  20   if (s + 0x70000000 >= 0xf0000000U)
  21     {
  22       if (s < 0x80000000U || s >= 0x90000000U)
  23         link_error ();
  24     }
  25 }
  26
  27 /* { dg-final { scan-tree-dump-not "link_error" "vrp1" } } */