1  /* { dg-do compile { target size32plus } } */
       2  /* { dg-options "-O2 -ftree-loop-distribution -ftree-loop-distribute-patterns -fdump-tree-ldist-details" } */
       3  
       4  #define M (256)
       5  #define N (512)
       6  int a[M][N], b[M][N];
       7  
       8  void
       9  foo (void)
      10  {
      11    for (unsigned i = 0; i < M; ++i)
      12      for (unsigned j = N; j > 0; --j)
      13        a[i][j - 1] = b[i][j - 1];
      14  }
      15  
      16  /* { dg-final { scan-tree-dump-times "Loop nest . distributed: split to" 1 "ldist" } } */