gcc/testsuite/gcc.dg/predict-7.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 base)
   9 {
  10   int i;
  11   while (global < 10)
  12     for (i = base; i < 10; i++)
  13       bar (i);
  14 }
  15
  16 /* { dg-final { scan-tree-dump-times "loop branch heuristics" 0 "profile_estimate"} } */