1  /* { dg-do compile { target { powerpc*-*-* } } } */
       2  /* { dg-options "-O2 -fno-tree-loop-distribute-patterns" } */
       3  
       4  /* Note that it's required to disable loop-distribute-patterns, otherwise the
       5     loop will be optimized to memset.  */
       6  
       7  /* Expect loop_iv can know the loop is finite so the doloop_optimize
       8     can perform the doloop transformation.  */
       9  
      10  typedef struct {
      11    int l;
      12    int b[258];
      13  } S;
      14  
      15  void clear (S* s )
      16  {
      17    int i;
      18    int len = s->l + 1;
      19  
      20    for (i = 0; i <= len; i++)
      21      s->b[i] = 0;
      22  }
      23  
      24  /* { dg-final { scan-assembler {\mbdnz\M} } } */