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)13foo (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)36main (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