From 31aa31919a1a3379910890345a6cf8394bb663d6 Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Mon, 21 Sep 2020 16:28:10 +0100
Subject: [PATCH] ProfileSummary.cpp - use auto const& iterator in for-range
 loop to avoid copies. NFCI.

---
 lib/IR/ProfileSummary.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/IR/ProfileSummary.cpp b/lib/IR/ProfileSummary.cpp
index ac6bcd9fe3a..453a278a7f3 100644
--- a/lib/IR/ProfileSummary.cpp
+++ b/lib/IR/ProfileSummary.cpp
@@ -259,7 +259,7 @@ void ProfileSummary::printSummary(raw_ostream &OS) {
 
 void ProfileSummary::printDetailedSummary(raw_ostream &OS) {
   OS << "Detailed summary:\n";
-  for (auto Entry : DetailedSummary) {
+  for (const auto &Entry : DetailedSummary) {
     OS << Entry.NumCounts << " blocks with count >= " << Entry.MinCount
        << " account for "
        << format("%0.6g", (float)Entry.Cutoff / Scale * 100)