[LV] Fix -Wunused-function after r362736

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@362762 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp b/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
index 05a86027782341f68893d0c84f1afaf7814b640a..e5713c4355fd78776cd0adf9d6fd25b9d0306ce4 100644 (file)
--- 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,