1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -ftree-loop-distribution -ftree-loop-distribute-patterns -fdump-tree-ldist-details -fdisable-tree-cunroll -fdisable-tree-cunrolli" } */
       3  
       4  typedef int mad_fixed_t;
       5  struct mad_pcm
       6  {
       7    unsigned int samplerate;
       8    unsigned short channels;
       9    unsigned short length;
      10    mad_fixed_t samples[2][1152];
      11  };
      12  struct mad_synth
      13  {
      14    mad_fixed_t filter[2][2][2][16][8];
      15    unsigned int phase;
      16    struct mad_pcm pcm;
      17  };
      18  void mad_synth_mute (struct mad_synth *synth);
      19  void
      20  mad_synth_mute (struct mad_synth *synth)
      21  {
      22    unsigned int ch;
      23    unsigned int s;
      24    unsigned int v;
      25  
      26    ch = 0U;
      27    while (ch < 2U)
      28      {
      29        s = 0U;
      30        while (s < 16U)
      31  	{
      32  	  v = 0U;
      33  	  while (v < 8U)
      34  	    {
      35  	      synth->filter[ch][1][1][s][v] = 0;
      36  	      synth->filter[ch][1][0][s][v] = 0;
      37  	      synth->filter[ch][0][1][s][v] = 0;
      38  	      synth->filter[ch][0][0][s][v] = 0;
      39  	      v++;
      40  	    }
      41  	  s++;
      42  	}
      43        ch++;
      44      }
      45    return;
      46  }
      47  
      48  /* { dg-final { scan-tree-dump "Loop nest . distributed: split to 0 loops and 1 library calls" "ldist" } } */
      49  /* { dg-final { scan-tree-dump-times "generated memset zero" 1 "ldist" } } */