Support unittest of jumps

tests/compiler/dart2js/equivalence/id_equivalence_test.dart

Index: tests/compiler/dart2js/equivalence/id_equivalence_test.dart
diff --git a/tests/compiler/dart2js/equivalence/id_equivalence_test.dart b/tests/compiler/dart2js/equivalence/id_equivalence_test.dart
index e7230e9c8acf06135d27e0a5a97fd7b7dc40fb62..7da602ef098723976dd873326fb7e209c0f38d7f 100644
--- a/tests/compiler/dart2js/equivalence/id_equivalence_test.dart
+++ b/tests/compiler/dart2js/equivalence/id_equivalence_test.dart
@@ -22,6 +22,7 @@ import '../equivalence/id_equivalence_helper.dart';
 const List<String> dataDirectories = const <String>[
   '../closure/data',
   '../inference/data',
+  '../jumps/data',
 ];
 
 main() {
@@ -42,6 +43,9 @@ main() {
           if (value1 != value2) {
             reportHere(data1.compiler.reporter, actualData1.sourceSpan,
                 '$id: from source:${value1},from dill:${value2}');
+            print('--annotations diff----------------------------------------');
+            print(data1.computeDiffCodeFor(data2));
+            print('----------------------------------------------------------');
           }
           Expect.equals(value1, value2, 'Value mismatch for $id');
         });
@@ -51,6 +55,9 @@ main() {
           if (value1 != value2) {
             reportHere(data2.compiler.reporter, actualData2.sourceSpan,
                 '$id: from source:${value1},from dill:${value2}');
+            print('--annotations diff----------------------------------------');
+            print(data1.computeDiffCodeFor(data2));
+            print('----------------------------------------------------------');
           }
           Expect.equals(value1, value2, 'Value mismatch for $id');
         });
@@ -86,13 +93,17 @@ class ComputerMixin {
     return 'local:$localName';
   }
 
-  String computeDynamicGetName(String propertyName) {
-    return 'dynamic-get:$propertyName';
+  String computeGetName(String propertyName) {
+    return 'get:$propertyName';
   }
 
-  String computeDynamicInvokeName(String propertyName) {
-    return 'dynamic-invoke:$propertyName';
+  String computeInvokeName(String propertyName) {
+    return 'invoke:$propertyName';
   }
+
+  String get loopName => 'loop';
+
+  String get gotoName => 'goto';
 }
 
 /// AST visitor for computing a descriptive mapping of the [Id]s in a member.
@@ -107,12 +118,25 @@ class ResolvedAstComputer extends AbstractResolvedAstComputer
     if (element != null && element.isLocal) {
       return computeLocalName(element.name);
     }
+    if (node is ast.Loop) {
+      return loopName;
+    } else if (node is ast.GotoStatement) {
+      return gotoName;
+    }
+
+    dynamic sendStructure;
     if (node is ast.Send) {
-      dynamic sendStructure = elements.getSendStructure(node);
+      sendStructure = elements.getSendStructure(node);
       if (sendStructure == null) return null;
 
       String getDynamicName() {
         switch (sendStructure.semantics.kind) {
+          case AccessKind.PARAMETER:
+          case AccessKind.FINAL_PARAMETER:
+          case AccessKind.LOCAL_VARIABLE:
+          case AccessKind.FINAL_LOCAL_VARIABLE:
+          case AccessKind.LOCAL_FUNCTION:
+            return sendStructure.semantics.element.name;
           case AccessKind.DYNAMIC_PROPERTY:
             DynamicAccess access = sendStructure.semantics;
             return access.name.text;
@@ -124,16 +148,25 @@ class ResolvedAstComputer extends AbstractResolvedAstComputer
       switch (sendStructure.kind) {
         case SendStructureKind.GET:
           String dynamicName = getDynamicName();
-          if (dynamicName != null) return computeDynamicGetName(dynamicName);
+          if (dynamicName != null) return computeGetName(dynamicName);
           break;
+        case SendStructureKind.BINARY:
+          return computeInvokeName(sendStructure.operator.selectorName);
+        case SendStructureKind.EQUALS:
+          return computeInvokeName('==');
+        case SendStructureKind.NOT_EQUALS:
+          return computeInvokeName('!=');
         case SendStructureKind.INVOKE:
           String dynamicName = getDynamicName();
-          if (dynamicName != null) return computeDynamicInvokeName(dynamicName);
+          if (dynamicName != null) return computeInvokeName(dynamicName);
           break;
         default:
       }
     }
-    return '<unknown:$node>';
+    if (sendStructure != null) {
+      return '<unknown:$node (${node.runtimeType}) $sendStructure>';
+    }
+    return '<unknown:$node (${node.runtimeType})>';
   }
 
   @override
@@ -171,11 +204,23 @@ class IrComputer extends AbstractIrComputer with ComputerMixin {
     } else if (node is ir.FunctionExpression) {
       return computeLocalName('');
     } else if (node is ir.MethodInvocation) {
-      return computeDynamicInvokeName(node.name.name);
+      return computeInvokeName(node.name.name);
     } else if (node is ir.PropertyGet) {
-      return computeDynamicGetName(node.name.name);
+      return computeGetName(node.name.name);
+    } else if (node is ir.VariableGet) {
+      return computeGetName(node.variable.name);
+    } else if (node is ir.DoStatement) {
+      return loopName;
+    } else if (node is ir.ForStatement) {
+      return loopName;
+    } else if (node is ir.ForInStatement) {
+      return loopName;
+    } else if (node is ir.WhileStatement) {
+      return loopName;
+    } else if (node is ir.BreakStatement) {
+      return gotoName;
     }
-    return '<unknown:$node>';
+    return '<unknown:$node (${node.runtimeType})>';
   }
 
   @override