gcc/testsuite/gcc.dg/torture/20131115-1.c

   1 /* { dg-do run } */
   2 /* { dg-skip-if "RAM usage too large" { "avr-*-*" } } */
   3
   4 struct S { int i; };
   5 __attribute__((const, noinline, noclone))
   6 struct S foo (int x)
   7 {
   8   struct S s;
   9   s.i = x;
  10   return s;
  11 }
  12
  13 int a[2048], b[2048], c[2048], d[2048];
  14 struct S e[2048];
  15
  16 __attribute__((noinline, noclone)) void
  17 bar (void)
  18 {
  19   int i;
  20   for (i = 0; i < 1024; i++)
  21     {
  22       e[i] = foo (i);
  23       a[i+2] = a[i] + a[i+1];
  24       b[10] = b[10] + i;
  25       c[i] = c[2047 - i];
  26       d[i] = d[i + 1];
  27     }
  28 }
  29
  30 int
  31 main ()
  32 {
  33   int i;
  34   bar ();
  35   for (i = 0; i < 1024; i++)
  36     if (e[i].i != i)
  37       __builtin_abort ();
  38   return 0;
  39 }