From c321e534022768d424cf5c5ab43f99489e55bf07 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Wed, 8 Jun 2016 19:09:22 +0000
Subject: Apply most suggestions of clang-tidy's
 performance-unnecessary-value-param

Avoids unnecessary copies. All changes audited & pass tests with asan.
No functional change intended.

llvm-svn: 272190
---
 llvm/lib/Analysis/ScalarEvolution.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Analysis/ScalarEvolution.cpp')

diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index b3d98d8..7a6bc3a7 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -8811,7 +8811,7 @@ ScalarEvolution::howManyGreaterThans(const SCEV *LHS, const SCEV *RHS,
   return ExitLimit(BECount, MaxBECount, P);
 }
 
-const SCEV *SCEVAddRecExpr::getNumIterationsInRange(ConstantRange Range,
+const SCEV *SCEVAddRecExpr::getNumIterationsInRange(const ConstantRange &Range,
                                                     ScalarEvolution &SE) const {
   if (Range.isFullSet())  // Infinite loop.
     return SE.getCouldNotCompute();
-- 
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