1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops2-details -fdump-tree-optimized" } */
       3  
       4  void abort (void);
       5  
       6  unsigned int x[500][500];
       7  unsigned int y[500];
       8  unsigned int g_sum=0;
       9  
      10  void __attribute__((noinline))
      11  init (int i, int j)
      12  {
      13    x[i][j]=1;
      14  }
      15  
      16  void __attribute__((noinline))
      17  parloop (int N)
      18  {
      19    int i, j;
      20    unsigned int sum;
      21  
      22    /* Inner cycle is currently not supported, outer loop is not
      23       parallelized.  Inner reduction is detected, inner loop is
      24       parallelized.  */
      25    for (i = 0; i < N; i++)
      26      {
      27        sum = 0;
      28        for (j = 0; j < N; j++)
      29  	sum += x[i][j];
      30        y[i]=sum;
      31      }
      32    g_sum = sum;
      33  }
      34  
      35  int
      36  main (void)
      37  {
      38    int i, j;
      39    for (i = 0; i < 500; i++)
      40      for (j = 0; j < 500; j++)
      41        init (i, j);
      42  
      43    parloop (500);
      44  
      45    return 0;
      46  }
      47  
      48  /* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops2" { xfail *-*-* } } } */
      49  /* { dg-final { scan-tree-dump-times "loopfn" 4 "optimized" } } */