1  /* PR tree-optimization/64277 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O3 -Wall -Werror -fdump-tree-cunroll-details" } */
       4  /* { dg-final { scan-tree-dump "loop with 4 iterations completely unrolled" "cunroll" } } */
       5  /* { dg-final { scan-tree-dump "loop with 5 iterations completely unrolled" "cunroll" } } */
       6  
       7  #if __SIZEOF_INT__ < 4
       8    __extension__ typedef __INT32_TYPE__ int32_t;
       9  #else
      10    typedef int int32_t;
      11  #endif
      12  
      13  int32_t f1[10];
      14  void test1 (short a[], short m, unsigned short l)
      15  {
      16    int32_t i = l;
      17    for (i = i + 5; i < m; i++)
      18      f1[i] = a[i]++;
      19  }
      20  
      21  void test2 (short a[], short m, short l)
      22  {
      23    int32_t i;
      24    if (m > 5)
      25      m = 5;
      26    for (i = m; i > l; i--)
      27      f1[i] = a[i]++;
      28  }