gcc/testsuite/gcc.dg/ipa/ipcp-self-recursion-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -fno-early-inlining"  } */
   3
   4 int array[128];
   5
   6 volatile int v = 0;
   7 volatile int blah = 0;
   8 volatile int counter = 0;
   9
  10 int __attribute__((noipa))
  11 obscured_one ()
  12 {
  13   return 1;
  14 }
  15
  16 static void
  17 f (int c, int l)
  18 {
  19   int i;
  20   for (i = 0; i < c; i++)
  21     array[i] = 455;
  22
  23   counter++;
  24   if (counter > 6)
  25     __builtin_abort ();
  26
  27   v = l;
  28   if (l > 0)
  29     f (c, l - 1);
  30   blah = l;
  31 }
  32
  33 int
  34 main (int argc, char *argv[])
  35 {
  36   int i;
  37   for (i = 0; i < 100; i++)
  38     {
  39       counter = 0;
  40       f (0, 5);
  41       if (obscured_one ())
  42         break;
  43     }
  44
  45   return 0;
  46 }