From 4d4806bd1c2d9be48d05b7114158dc9ef90b79a5 Mon Sep 17 00:00:00 2001
From: Tim Northover <tnorthover@apple.com>
Date: Tue, 5 Jul 2016 22:51:30 +0000
Subject: [PATCH] TableGen: avoid string copy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@274584 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/TableGen/SearchableTableEmitter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/TableGen/SearchableTableEmitter.cpp b/utils/TableGen/SearchableTableEmitter.cpp
index 1b0e67f835f..8c1b8804d17 100644
--- a/utils/TableGen/SearchableTableEmitter.cpp
+++ b/utils/TableGen/SearchableTableEmitter.cpp
@@ -230,7 +230,7 @@ void SearchableTableEmitter::emitLookupDeclaration(StringRef Name,
 
 void SearchableTableEmitter::emitMapping(Record *InstanceClass,
                                          raw_ostream &OS) {
-  std::string TableName = InstanceClass->getName();
+  const std::string &TableName = InstanceClass->getName();
   std::vector<Record *> Items = Records.getAllDerivedDefinitions(TableName);
 
   // Gather all the records we're going to need for this particular mapping.
-- 
2.50.0