1  /* Check for unnecessary register moves.  */
       2  /* { dg-options "-mthumb -Os" }  */
       3  /* { dg-require-effective-target arm_thumb1_ok } */
       4  
       5  int f(int x)
       6  {
       7    return x*42;
       8  }
       9  
      10  /* { dg-final { scan-assembler-not "mov\[\\t \]*r0," } } */
      11