Convert 'struct' to 'class' in various places to adhere to the coding standards

and work better with VC++.  Patch contributed by Morten Ofstad!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17281 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/TransformInternals.h

@@ -90,7 +90,8 @@ public:
 
 typedef std::map<const Value*, const Type*> ValueTypeCache;
 
-struct ValueMapCache {
+class ValueMapCache {
+public:
   // Operands mapped - Contains an entry if the first value (the user) has had
   // the second value (the operand) mapped already.
   //