From 4fed928f53dbea24914bc0db307e0988c6e44c8c Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Fri, 27 May 2016 12:30:51 +0000
Subject: Avoid some copies by using const references.

clang-tidy's performance-unnecessary-copy-initialization with some manual
fixes. No functional changes intended.

llvm-svn: 270988
---
 llvm/lib/Transforms/IPO/SampleProfile.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Transforms/IPO/SampleProfile.cpp')

diff --git a/llvm/lib/Transforms/IPO/SampleProfile.cpp b/llvm/lib/Transforms/IPO/SampleProfile.cpp
index afafd45..deba6ea 100644
--- a/llvm/lib/Transforms/IPO/SampleProfile.cpp
+++ b/llvm/lib/Transforms/IPO/SampleProfile.cpp
@@ -445,7 +445,7 @@ void SampleProfileLoader::printBlockWeight(raw_ostream &OS,
 /// \returns the weight of \p Inst.
 ErrorOr<uint64_t>
 SampleProfileLoader::getInstWeight(const Instruction &Inst) const {
-  DebugLoc DLoc = Inst.getDebugLoc();
+  const DebugLoc &DLoc = Inst.getDebugLoc();
   if (!DLoc)
     return std::error_code();
 
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