gcc/testsuite/gcc.dg/tree-ssa/pr23744.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fno-tree-ccp -fdisable-tree-evrp -fdump-tree-vrp1" } */
   3
   4 void h (void);
   5
   6 int g (int i, int j)
   7 {
   8   int t = 0;
   9   int i1;
  10
  11   if (i == j)
  12     t = 3;
  13   for (i1 = 0; i1 < 10000; i1++) h();
  14   if (t != 5)
  15     return 0;
  16   else
  17     return 1;
  18 }
  19
  20 /* { dg-final { scan-tree-dump-times "Folding predicate.*to 1" 1 "vrp1" } } */