From 1afc1de4064a73efc04b91ecb2c3dda7e6bb9bef Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Fri, 17 Jun 2016 20:41:14 +0000
Subject: Apply another batch of fixes from clang-tidy's
 performance-unnecessary-value-param.

Contains some manual fixes. No functionality change intended.

llvm-svn: 273047
---
 llvm/lib/Transforms/Scalar/GVN.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Transforms/Scalar/GVN.cpp')

diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp
index c3fcbbffeba..944e06d4391 100644
--- a/llvm/lib/Transforms/Scalar/GVN.cpp
+++ b/llvm/lib/Transforms/Scalar/GVN.cpp
@@ -106,7 +106,7 @@ template <> struct DenseMapInfo<GVN::Expression> {
 
   static inline GVN::Expression getTombstoneKey() { return ~1U; }
 
-  static unsigned getHashValue(const GVN::Expression e) {
+  static unsigned getHashValue(const GVN::Expression &e) {
     using llvm::hash_value;
     return static_cast<unsigned>(hash_value(e));
   }
-- 
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