Split RuntimesTypes into RuntimeTypes and RuntimeTypesEncoder

pkg/compiler/lib/src/ssa/codegen.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of ssa;
 
 class SsaCodeGeneratorTask extends CompilerTask {
 
   final JavaScriptBackend backend;
   final SourceInformationStrategy sourceInformationFactory;
@@ skipping 2809 matching lines @@
   }
 
   void visitReadTypeVariable(HReadTypeVariable node) {
     TypeVariableElement element = node.dartType.element;
     Element helperElement = backend.findHelper('convertRtiToRuntimeType');
     registry.registerStaticUse(helperElement);
 
     use(node.inputs[0]);
     if (node.hasReceiver) {
       if (backend.isInterceptorClass(element.enclosingClass)) {
-        int index = RuntimeTypes.getTypeVariableIndex(element);
+        int index = element.index;
         js.Expression receiver = pop();
         js.Expression helper = backend.emitter
             .staticFunctionAccess(helperElement);
         push(js.js(r'#(#.$builtinTypeInfo && #.$builtinTypeInfo[#])',
                 [helper, receiver, receiver, js.js.number(index)]));
       } else {
         backend.emitter.registerReadTypeVariable(element);
         push(js.js('#.#()',
                 [pop(), backend.namer.nameForReadTypeVariable(element)]));
       }
@@ skipping 36 matching lines @@
     }
     registry.registerStaticUse(helper);
     return backend.emitter.staticFunctionAccess(helper);
   }
 
   @override
   void visitRef(HRef node) {
     visit(node.value);
   }
 }