gcc/testsuite/gcc.dg/ipa/pr58106.c

   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 }