Move helper classes into anonymous namespaces. NFC.

llvm-svn: 253189

1 files changed, 4 insertions, 0 deletions

diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index c2db02fe85a..5f927121fc2 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -3626,6 +3626,7 @@ ScalarEvolution::ForgetSymbolicName(Instruction *PN, const SCEV *SymName) {
   }
 }
 
+namespace {
 class SCEVInitRewriter : public SCEVRewriteVisitor<SCEVInitRewriter> {
 public:
   static const SCEV *rewrite(const SCEV *Scev, const Loop *L,
@@ -3690,6 +3691,7 @@ private:
   const Loop *L;
   bool Valid;
 };
+} // end anonymous namespace
 
 const SCEV *ScalarEvolution::createAddRecFromPHI(PHINode *PN) {
   const Loop *L = LI.getLoopFor(PN->getParent());
@@ -9614,6 +9616,7 @@ ScalarEvolution::getEqualPredicate(const SCEVUnknown *LHS,
   return Eq;
 }
 
+namespace {
 class SCEVPredicateRewriter : public SCEVRewriteVisitor<SCEVPredicateRewriter> {
 public:
   static const SCEV *rewrite(const SCEV *Scev, ScalarEvolution &SE,
@@ -9638,6 +9641,7 @@ public:
 private:
   SCEVUnionPredicate &P;
 };
+} // end anonymous namespace
 
 const SCEV *ScalarEvolution::rewriteUsingPredicate(const SCEV *Scev,
                                                    SCEVUnionPredicate &Preds) {