gcc/testsuite/gcc.dg/tree-ssa/predcom-8.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fdump-tree-pcom-details-blocks" } */
   3
   4 int is_sorted(int *a, int n)
   5 {
   6   for (int i = 0; i < n - 1; i++)
   7     if (a[i] > a[i + 1])
   8       return 0;
   9   return 1;
  10 }
  11
  12 /* { dg-final { scan-tree-dump "Executing predictive commoning without unrolling" "pcom" } } */
  13 /* { dg-final { scan-tree-dump-not "Invalid sum" "pcom" } } */