gcc/testsuite/gcc.dg/predict-12.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-profile_estimate" } */
   3 int *a,n,m;
   4 void test(void);
   5 void
   6 t(void)
   7 {
   8   int i,j;
   9   for (i=0;i<n;i++)
  10     if (a[i])
  11       for (j=0;j<m;j++)
  12         if (a[i+j])
  13           t();
  14 }
  15 /* { dg-final { scan-tree-dump-times "loop guard with recursion" 1 "profile_estimate"} } */
  16 /* { dg-final { scan-tree-dump-times "loop exit with recursion" 2 "profile_estimate"} } */
  17 /* { dg-final { scan-tree-dump-times "recursive call" 1 "profile_estimate"} } */