1 /* { dg-require-effective-target size32plus } */
2 
3 /* Formerly known as ltrans-2.c */
4 
5 #define DEBUG 0
6 #if DEBUG
7 #include <stdio.h>
8 #endif
9 
10 double u[1782225];
11 
12 static void __attribute__((noinline))
foo(int N,int * res)13 foo (int N, int *res)
14 {
15   unsigned int i, j;
16   double sum = 0;
17 
18   /* This loop should be converted to a perfect nest and
19      interchanged.  */
20   for (i = 0; i < N; i++)
21     {
22       for (j = 0; j < N; j++)
23 	{
24 	  sum = sum + u[i + 1335 * j];
25 	  if (j == N - 1)
26 	    u[1336 * i] *= 2;
27 	}
28     }
29 
30   *res = sum + N + u[1336 * 2] + u[1336];
31 }
32 
33 extern void abort ();
34 
35 int
main(void)36 main (void)
37 {
38   int i, j, res;
39 
40   for (i = 0; i < 1782225; i++)
41     u[i] = 2;
42 
43   foo (1335, &res);
44 
45 #if DEBUG
46   fprintf (stderr, "res = %d \n", res);
47 #endif
48 
49   if (res != 3565793)
50     abort ();
51 
52   return 0;
53 }
54 
55 /* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" { xfail *-*-* } } } */
56