gcc/testsuite/gcc.dg/predict-17.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-profile_estimate-details" } */
   3
   4 extern int global;
   5
   6 void foo (int base)
   7 {
   8   for (int i = 0; __builtin_expect_with_probability (i < base, 1, 0.05f); i++)
   9     global++;
  10 }
  11
  12 /* { dg-final { scan-tree-dump "first match heuristics: 5.00%" "profile_estimate"} } */
  13 /* { dg-final { scan-tree-dump "__builtin_expect_with_probability heuristics of edge .*->.*: 5.00%" "profile_estimate"} } */
  14 /* { dg-final { scan-tree-dump "is probably executed at most 19" "profile_estimate"} } */
  15