gcc/testsuite/gcc.dg/tree-ssa/vrp11.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-vrp1 -fno-early-inlining" } */
   3
   4 inline int
   5 bounce (int arg)
   6 {
   7   return arg;
   8 }
   9
  10 int
  11 foo (int k, int j, int z)
  12 {
  13   if (k > z)
  14     {
  15       if (j > k)
  16         {
  17           /* We should fold this to if (1).  */
  18           if (j > bounce (z))
  19             return j;
  20         }
  21     }
  22
  23   return j+1;
  24 }
  25
  26 /* { dg-final { scan-tree-dump-times "Folding predicate.*to 1" 1 "vrp1" } } */