Introduce HLocalValue and HLocalGet/Set.

lib/compiler/implementation/ssa/tracer.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.
 
 #library('tracer');
 
 #import('dart:io');
 #import('ssa.dart');
 #import('../leg.dart');
 
@@ skipping 233 matching lines @@
 
   String visitFieldGet(HFieldGet node) {
     return 'get ${temporaryId(node.receiver)}';
   }
 
   String visitFieldSet(HFieldSet node) {
     String valueId = temporaryId(node.value);
     return 'set ${temporaryId(node.receiver)} to $valueId';
   }
 
+  String visitLocalGet(HLocalGet node) => visitFieldGet(node);
+  String visitLocalSet(HLocalSet node) => visitFieldSet(node);
+
   String visitGoto(HGoto node) {
     HBasicBlock target = currentBlock.successors[0];
     return "Goto: (B${target.id})";
   }
 
   String visitGreater(HGreater node) => visitInvokeStatic(node);
   String visitGreaterEqual(HGreaterEqual node) => visitInvokeStatic(node);
 
   String visitIdentity(HIdentity node) => visitInvokeStatic(node);
 
@@ skipping 94 matching lines @@
   String visitMultiply(HMultiply node) => visitInvokeStatic(node);
 
   String visitNegate(HNegate node) => visitInvokeStatic(node);
 
   String visitNot(HNot node) => "Not: ${temporaryId(node.inputs[0])}";
 
   String visitParameterValue(HParameterValue node) {
     return "p${node.sourceElement.name.slowToString()}";
   }
 
+  String visitLocalValue(HParameterValue node) {
+    return "l${node.sourceElement.name.slowToString()}";
+  }
+
   String visitPhi(HPhi phi) {
     StringBuffer buffer = new StringBuffer();
     buffer.add("Phi(");
     for (int i = 0; i < phi.inputs.length; i++) {
       if (i > 0) buffer.add(", ");
       buffer.add(temporaryId(phi.inputs[i]));
     }
     buffer.add(")");
     return buffer.toString();
   }
@@ skipping 101 matching lines @@
   String visitIs(HIs node) {
     String type = node.typeExpression.toString();
     return "TypeTest: ${temporaryId(node.expression)} is $type";
   }
 
   String visitTypeConversion(HTypeConversion node) {
     String type = node.propagatedType.toString();
     return "TypeConversion: ${temporaryId(node.inputs[0])} to $type";
   }
 }