1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-gimple-raw -fdump-tree-optimized-raw" } */
       3  
       4  int f0(int a, int b){
       5    return a * 33 * b * 55;
       6  }
       7  
       8  int f1(int a){
       9    a *= 33;
      10    return a * 55;
      11  }
      12  
      13  int f2(int a, int b){
      14    a *= 33;
      15    return a * b * 55;
      16  }
      17  
      18  /* { dg-final { scan-tree-dump-times "mult_expr" 7 "gimple" } } */
      19  /* { dg-final { scan-tree-dump-times "mult_expr" 5 "optimized" } } */