Do a sweep of symbol internalization. NFC.

llvm-svn: 369803
diff --git a/llvm/lib/Transforms/Scalar/LoopFuse.cpp b/llvm/lib/Transforms/Scalar/LoopFuse.cpp
index 558400c..704a71e 100644
--- a/llvm/lib/Transforms/Scalar/LoopFuse.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopFuse.cpp
@@ -110,6 +110,7 @@
                            cl::Hidden, cl::init(false), cl::ZeroOrMore);
 #endif
 
+namespace {
 /// This class is used to represent a candidate for loop fusion. When it is
 /// constructed, it checks the conditions for loop fusion to ensure that it
 /// represents a valid candidate. It caches several parts of a loop that are
@@ -338,7 +339,6 @@
   }
 };
 
-namespace {
 using LoopVector = SmallVector<Loop *, 4>;
 
 // Set of Control Flow Equivalent (CFE) Fusion Candidates, sorted in dominance
@@ -353,7 +353,6 @@
 // keeps the FusionCandidateSet sorted will also simplify the implementation.
 using FusionCandidateSet = std::set<FusionCandidate, FusionCandidateCompare>;
 using FusionCandidateCollection = SmallVector<FusionCandidateSet, 4>;
-} // namespace
 
 inline llvm::raw_ostream &operator<<(llvm::raw_ostream &OS,
                                      const FusionCandidateSet &CandSet) {
@@ -1211,6 +1210,7 @@
     return LF.fuseLoops(F);
   }
 };
+} // namespace
 
 PreservedAnalyses LoopFusePass::run(Function &F, FunctionAnalysisManager &AM) {
   auto &LI = AM.getResult<LoopAnalysis>(F);