gcc/testsuite/gcc.dg/predict-9.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdisable-tree-evrp -fdump-tree-profile_estimate" } */
   3
   4 extern int global;
   5 extern int global2;
   6 extern int global3;
   7
   8 void foo (int base)
   9 {
  10   int i;
  11   while (global < 10)
  12   {
  13     if(global || global2 || global3)
  14       return;
  15
  16     for (i = base; i < 10; i++)
  17       if (i > 123)
  18         return;
  19   }
  20 }
  21
  22 /* { dg-final { scan-tree-dump-times "first match heuristics: 3.0%" 3 "profile_estimate"} } */
  23 /* { dg-final { scan-tree-dump-times "first match heuristics: 7.5%" 1 "profile_estimate"} } */