gcc/testsuite/gcc.dg/pr101145-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3
   4 unsigned foo(unsigned val, unsigned start)
   5 {
   6   unsigned cnt = 0;
   7   unsigned i = start;
   8   do {
   9     cnt++;
  10     i++;
  11   } while (i > val);
  12   return cnt;
  13 }
  14
  15 /* Look for start >= val ? -start : 1  */
  16 /* { dg-final { scan-tree-dump " = start_\[0-9\]\\(D\\) >= val_\[0-9\]\\(D\\);" "optimized" } } */
  17 /* { dg-final { scan-tree-dump "cnt_\[0-9\] = _\[0-9\]+ \\? _\[0-9\]+ : 1;" "optimized" } } */