1  /* PR 58106 testcase.  Verify that rdesc chain creating and lookup works with
       2     recursive inlining and master clone creation.  */
       3  /* { dg-do compile } */
       4  /* { dg-options "-O3"  } */
       5  
       6  typedef struct rtx_def *rtx;
       7  enum rtx_code {
       8    LAST_AND_UNUSED_RTX_CODE};
       9  extern const char * const rtx_format[((int) LAST_AND_UNUSED_RTX_CODE)];
      10  struct rtx_def {
      11    enum rtx_code code;
      12  };
      13  typedef int (*rtx_function) (rtx *, void *);
      14  extern int for_each_rtx (rtx *, rtx_function, void *);
      15  int
      16  replace_label (rtx *x, void *data)
      17  {
      18    rtx l = *x;
      19    if (l == (rtx) 0)
      20      {
      21   {
      22     rtx new_c, new_l;
      23     for_each_rtx (&new_c, replace_label, data);
      24   }
      25      }
      26  }
      27  static int
      28  for_each_rtx_1 (rtx exp, int n, rtx_function f, void *data)
      29  {
      30    int result, i, j;
      31    const char *format = (rtx_format[(int) (((enum rtx_code) (exp)->code))]);
      32    rtx *x;
      33    for (; format[n] != '\0'; n++)
      34      {
      35        switch (format[n])
      36   {
      37   case 'e':
      38     result = (*f) (x, data);
      39       {
      40         result = for_each_rtx_1 (*x, i, f, data);
      41       }
      42   }
      43      }
      44  }
      45  int
      46  for_each_rtx (rtx *x, rtx_function f, void *data)
      47  {
      48    int i;
      49    return for_each_rtx_1 (*x, i, f, data);
      50  }