gcc/testsuite/gcc.dg/tree-ssa/pr46076.c

   1 /* { dg-do link } */
   2 /* { dg-options "-O2" } */
   3
   4 extern void link_error (void);
   5
   6 typedef unsigned char(*Calculable)(void);
   7
   8 static unsigned char one() { return 1; }
   9 static unsigned char two() { return 2; }
  10
  11 static int
  12 print(Calculable calculate)
  13 {
  14   return calculate() + calculate() + 1;
  15 }
  16
  17 int
  18 main()
  19 {
  20   /* Make sure we perform indirect inlining of one and two and optimize
  21      the result to a constant.  */
  22   for (int i = 0; i < 100; i++)
  23     {
  24       if (print(one) != 3)
  25         link_error ();
  26       if (print(two) != 5)
  27         link_error ();
  28     }
  29   return 0;
  30 }