Revert LoopStrengthReduce.cpp to pre-r94061 for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94123 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Analysis/ScalarEvolutionExpander.h

@@ -27,7 +27,10 @@ namespace llvm {
   /// and destroy it when finished to allow the release of the associated
   /// memory.
   class SCEVExpander : public SCEVVisitor<SCEVExpander, Value*> {
+  public:
     ScalarEvolution &SE;
+
+  private:
     std::map<std::pair<const SCEV *, Instruction *>, AssertingVH<Value> >
       InsertedExpressions;
     std::set<Value*> InsertedValues;