1  /* Test CTF generation works well with ((used)) function attribute.
       2  
       3     This attribute, attached to a function, means that code must be emitted for
       4     the function even if it appears that the function is not referenced.  */
       5  
       6  /* { dg-do compile )  */
       7  /* { dg-options "-O2 -gctf -dA" } */
       8  
       9  /* These should be true for higher optimization levels.  */
      10  /* { dg-final { scan-assembler-times "ascii \"keep_this.0\"\[\t \]+\[^\n\]*ctf_string" 1 } } */
      11  /* { dg-final { scan-assembler-times "ascii \"lose_this.0\"\[\t \]+\[^\n\]*ctf_string" 0 } } */
      12  
      13  static int lose_this(int a)
      14  {
      15      return a + 2;
      16  }
      17  
      18  __attribute__((used))
      19  static int keep_this(double a)
      20  {
      21      return a * 2;
      22  }