#define N 500 int A[N+5][N+5][N+5]; void abort (void); int foo (void) { int i, j, k; for (i = 0; i < N + 5; i++) for (j = 0; j < N + 5; j++) for (k = 0; k < N + 5; k++) A[i][j][k] = i + j + k; /* Loop i: carried no dependency. */ for (i = 0; i < N; i++) for (j = 0; j < N; j++) for (k = 0; k < N; k++) A[k+1][j+2][i+1] = A[k][j][i+1]; return A[1][5][2]; } int main (void) { if (5 != foo ()) abort (); return 0; } /* Check that parallel code generation part make the right answer. */ /* { dg-final { scan-tree-dump-times "5 loops carried no dependency" 1 "graphite" } } */ /* { dg-final { scan-tree-dump-times "loopfn.0" 4 "optimized" } } */