gcc/testsuite/gcc.dg/pr89594.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -ftree-loop-if-convert -ftree-loop-vectorize -fno-tree-ch" } */
   3
   4 int h3;
   5
   6 void
   7 in (void)
   8 {
   9   long int zr;
  10   int ee = 0;
  11
  12   for (zr = 0; zr < 1; zr = h3)
  13     {
  14       ee = !!h3 ? zr : 0;
  15
  16       h3 = 0;
  17       while (h3 < 0)
  18         h3 = 0;
  19     }
  20
  21   h3 = 0;
  22   while (h3 < 1)
  23     h3 = !!ee ? (!!h3 + 1) : 0;
  24 }