From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Sun, 22 Oct 2017 20:16:28 +0000 (+0000)
Subject: Create fewer copies of StringMaps. No functionality change intended.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9982ea43e20c58136720a6a0f1674cc016ab3af5;p=llvm

Create fewer copies of StringMaps. No functionality change intended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316301 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/ProfileData/SampleProf.h b/include/llvm/ProfileData/SampleProf.h
index 09e2723e591..3aba12344d0 100644
--- a/include/llvm/ProfileData/SampleProf.h
+++ b/include/llvm/ProfileData/SampleProf.h
@@ -372,7 +372,7 @@ public:
           if (!Callee || !Callee->getSubprogram())
             S.insert(Function::getGUID(TS.getKey()));
         }
-    for (auto CS : CallsiteSamples)
+    for (const auto &CS : CallsiteSamples)
       for (const auto &NameFS : CS.second)
         NameFS.second.findImportedFunctions(S, M, Threshold);
   }