1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-lim2-details -fdump-tree-optimized" } */
       3  
       4  extern volatile int *x;
       5  static int gCrc;
       6  
       7  static int __attribute__((noinline)) crc16Add(int crc, int b)
       8  {
       9    return crc + b;
      10  }
      11  
      12  void f(int data, int dataSz)
      13  {
      14    int i;
      15  
      16    for(i=0;i<dataSz;i++)
      17    {
      18      gCrc = crc16Add(gCrc, data);
      19      *x = data;
      20    }
      21  }
      22  
      23  /* { dg-final { scan-tree-dump "Executing store motion of gCrc" "lim2" } } */
      24  /* { dg-final { scan-tree-dump-not "Re-issueing" "lim2" } } */
      25  /* { dg-final { scan-tree-dump-times "\\*x" 1 "optimized" } } */