gcc/testsuite/gcc.dg/graphite/run-id-pr47654.c

   1 /* { dg-options "-O -floop-strip-mine" } */
   2
   3 int a[128][40];
   4
   5 void __attribute__ ((noinline, noclone))
   6 foo (void)
   7 {
   8   int i, j;
   9   for (i = 0; i < 40; i++)
  10     for (j = 0; j < 128; j++)
  11       a[j][i] = 4;
  12 }
  13
  14 int
  15 main ()
  16 {
  17   int i, j;
  18   foo ();
  19   for (i = 0; i < 40; i++)
  20     for (j = 0; j < 128; j++)
  21       if (a[j][i] != 4)
  22         __builtin_abort ();
  23   return 0;
  24 }