gcc/testsuite/gcc.dg/tree-ssa/copy-headers-5.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-ch2-details" } */
   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 /* Verify we apply loop header copying but only copy the IV test and
  13    not the alternate exit test.  */
  14
  15 /* { dg-final { scan-tree-dump "is now do-while loop" "ch2" } } */
  16 /* { dg-final { scan-tree-dump-times "  if " 3 "ch2" } } */