SimplifyCFG: ValidLookupTableConstant should be static

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163378 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp
index d757c05..3df3099 100644
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -2981,7 +2981,7 @@
 
 /// ValidLookupTableConstant - Return true if the backend will be able to handle
 /// initializing an array of constants like C.
-bool ValidLookupTableConstant(Constant *C) {
+static bool ValidLookupTableConstant(Constant *C) {
   if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C))
     return CE->isGEPWithNoNotionalOverIndexing();