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  int x[500][500];
       7  int y[500];
       8  int g_sum=0;
       9  
      10  __attribute__((noinline))
      11  void init (int i, int j)
      12  {
      13    x[i][j]=1;
      14  }
      15  
      16  __attribute__((noinline))
      17  void parloop (int N)
      18  {
      19    int i, j;
      20    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 main(void)
      36  {
      37    int i,j;
      38    for (i = 0; i < 500; i++) 
      39      for (j = 0; j < 500; j++)
      40        init(i, j);
      41    
      42    parloop(500);
      43  
      44    return 0;
      45  }
      46  
      47  /* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops2" { xfail *-*-* } } } */
      48  /* { dg-final { scan-tree-dump-times "loopfn" 4 "optimized" { xfail *-*-* } } } */