1 /* { dg-require-effective-target size32plus } */ 2 3 #define DEBUG 0 4 #if DEBUG 5 #include <stdio.h> 6 #endif 7 8 #define N 200 9 int a[N][N]; 10 11 static int __attribute__((noinline)) foo(void)12foo (void) 13 { 14 int i, j; 15 int res = 0; 16 17 /* Interchange is not legal for loops 0 and 1. */ 18 for (i = 1; i < N; i++) 19 for (j = 1; j < N - 1; j++) 20 a[i][j] = a[i-1][j+1] * a[i-1][j+1] / 2; 21 22 for (i = 0; i < N; i++) 23 res += a[i][i]; 24 25 return res; 26 } 27 28 extern void abort (); 29 30 int main(void)31main (void) 32 { 33 int i, j, res; 34 35 for (i = 0; i < N; i++) 36 for (j = 0; j < N; j++) 37 a[i][j] = i + j; 38 39 res = foo (); 40 41 #if DEBUG 42 fprintf (stderr, "res = %d \n", res); 43 #endif 44 45 if (res != 204007516) 46 abort (); 47 48 return 0; 49 } 50 51 /* { dg-final { scan-tree-dump "tiled by" "graphite" } } */ 52