gcc/testsuite/gcc.dg/profile-generate-2.c

   1 /* PR middle-end/23199 */
   2 /* Testcase by Ralf Menzel <menzel@ls6.cs.uni-dortmund.de> */
   3
   4 /* { dg-do compile } */
   5 /* { dg-options "-O -fprofile-generate" } */
   6
   7 union rtunion_def
   8 {
   9   struct rtx_def *rt_rtx;
  10 };
  11
  12 typedef union rtunion_def rtunion;
  13
  14 struct rtx_def
  15 {
  16   unsigned int in_struct : 1;
  17   union u {
  18     rtunion fld[1];
  19   } u;
  20 };
  21
  22 typedef struct rtx_def *rtx;
  23
  24 static void
  25 check_annul_list_true_false (int annul_true_p, rtx delay_list)
  26 {
  27   rtx temp;
  28   while (1)
  29     {
  30       temp = delay_list;
  31       rtx trial = (((temp)->u.fld[0]).rt_rtx);
  32       if ((annul_true_p && (((trial))->in_struct)))
  33        return;
  34     }
  35 }