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