1 /* { dg-require-effective-target size32plus } */ 2 3 /* Formerly known as ltrans-6.c */ 4 5 #define DEBUG 0 6 #if DEBUG 7 #include <stdio.h> 8 #endif 9 10 #define N 100 11 #define M 200 12 13 static int __attribute__((noinline)) foo(int A[N][M])14foo (int A[N][M]) 15 { 16 int i, j; 17 18 /* This loop should be interchanged. */ 19 for(j = 0; j < M; j++) 20 for(i = 0; i < N; i++) 21 A[i][j] = A[i][j] + A[i][j]; 22 23 return A[0][0] + A[N-1][M-1]; 24 } 25 26 extern void abort (); 27 28 int main(void)29main (void) 30 { 31 int A[N][M]; 32 int i, j, res; 33 34 for (i = 0; i < N; i++) 35 for (j = 0; j < M; j++) 36 A[i][j] = 2; 37 38 res = foo (A); 39 40 #if DEBUG 41 fprintf (stderr, "res = %d \n", res); 42 #endif 43 44 if (res != 8) 45 abort (); 46 47 return 0; 48 } 49 50 /* { dg-final { scan-tree-dump "tiled by" "graphite" } } */ 51