gcc/testsuite/gcc.dg/predict-4.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-profile_estimate" } */
   3
   4 extern int global;
   5
   6 int bar(int);
   7
   8 void foo (int bound)
   9 {
  10   int i, ret = 0;
  11   for (i = 0; i < 10; i++)
  12     {
  13       if (i < 5)
  14         global += bar (i);
  15     }
  16 }
  17
  18 /* { dg-final { scan-tree-dump "loop iv compare heuristics: 50.0%" "profile_estimate"} } */