diff --git a/bolt/include/bolt/Passes/ReorderFunctions.h b/bolt/include/bolt/Passes/ReorderFunctions.h
--- a/bolt/include/bolt/Passes/ReorderFunctions.h
+++ b/bolt/include/bolt/Passes/ReorderFunctions.h
@@ -23,6 +23,9 @@
   void reorder(std::vector<Cluster> &&Clusters,
                std::map<uint64_t, BinaryFunction> &BFs);
 
+  void printStats(const std::vector<Cluster> &Clusters,
+                  const std::vector<uint64_t> &FuncAddr);
+
 public:
   enum ReorderType : char {
     RT_NONE = 0,
diff --git a/bolt/lib/Passes/ReorderFunctions.cpp b/bolt/lib/Passes/ReorderFunctions.cpp
--- a/bolt/lib/Passes/ReorderFunctions.cpp
+++ b/bolt/lib/Passes/ReorderFunctions.cpp
@@ -138,6 +138,11 @@
   if (opts::ReorderFunctions == RT_NONE)
     return;
 
+  printStats(Clusters, FuncAddr);
+}
+
+void ReorderFunctions::printStats(const std::vector<Cluster> &Clusters,
+                                  const std::vector<uint64_t> &FuncAddr) {
   if (opts::Verbosity == 0) {
 #ifndef NDEBUG
     if (!DebugFlag || !isCurrentDebugType("hfsort"))
@@ -152,7 +157,7 @@
   PrintDetailed |=
     (DebugFlag && isCurrentDebugType("hfsort") && opts::Verbosity > 0);
 #endif
-  TotalSize   = 0;
+  uint64_t TotalSize   = 0;
   uint64_t CurPage     = 0;
   uint64_t Hotfuncs    = 0;
   double TotalDistance = 0;
@@ -163,7 +168,7 @@
   if (PrintDetailed)
     outs() << "BOLT-INFO: Function reordering page layout\n"
            << "BOLT-INFO: ============== page 0 ==============\n";
-  for (Cluster &Cluster : Clusters) {
+  for (const Cluster &Cluster : Clusters) {
     if (PrintDetailed)
       outs() << format(
           "BOLT-INFO: -------- density = %.3lf (%u / %u) --------\n",