From: Craig Topper <craig.topper@gmail.com>
Date: Fri, 28 Apr 2017 21:48:03 +0000 (+0000)
Subject: [ConstantRange] Use const references to prevent a couple APInt copies. NFC
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=00cdeeedbab3bedd7450a6cb335c295821589866;p=llvm

[ConstantRange] Use const references to prevent a couple APInt copies. NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301694 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/IR/ConstantRange.cpp b/lib/IR/ConstantRange.cpp
index 0cc38b02520..a58a64188c1 100644
--- a/lib/IR/ConstantRange.cpp
+++ b/lib/IR/ConstantRange.cpp
@@ -210,8 +210,8 @@ ConstantRange::makeGuaranteedNoWrapRegion(Instruction::BinaryOps BinOp,
                                               -Other.getUnsignedMax()));
 
   if (NoWrapKind & OBO::NoSignedWrap) {
-    APInt SignedMin = Other.getSignedMin();
-    APInt SignedMax = Other.getSignedMax();
+    const APInt &SignedMin = Other.getSignedMin();
+    const APInt &SignedMax = Other.getSignedMax();
 
     if (SignedMax.isStrictlyPositive())
       Result = SubsetIntersect(