From 0a7c27cd6461f251296e5899af052b33f17431d0 Mon Sep 17 00:00:00 2001
From: Fangrui Song <maskray@google.com>
Date: Fri, 7 Jun 2019 01:48:26 +0000
Subject: [PATCH] [LV] Fix -Wunused-function after r362736

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@362762 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Vectorize/LoopVectorizationLegality.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp b/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
index 05a86027782..e5713c4355f 100644
--- a/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
+++ b/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
@@ -47,6 +47,7 @@ static const unsigned MaxInterleaveFactor = 16;
 
 namespace llvm {
 
+#ifndef NDEBUG
 static void debugVectorizationFailure(const StringRef DebugMsg,
     Instruction *I) {
   dbgs() << "LV: Not vectorizing: " << DebugMsg;
@@ -56,6 +57,7 @@ static void debugVectorizationFailure(const StringRef DebugMsg,
     dbgs() << '.';
   dbgs() << '\n';
 }
+#endif
 
 OptimizationRemarkAnalysis createLVMissedAnalysis(const char *PassName,
                                                   StringRef RemarkName,
-- 
2.40.0