dart2js: Initial implementation of inlining.

tests/compiler/dart2js/js_backend_cps_ir_gvn_test.dart

 // Copyright (c) 2015, 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.
 
 // Test that the GVN optimization pass works as expected.
 
 library basic_tests;
 
 import 'js_backend_cps_ir.dart';
 
 const List<TestEntry> tests = const [
-  const TestEntry.forMethod('function(foo)', r"""
+  const TestEntry(r"""
 foo(x, list) {
   var sum = 0;
   for (int k = 0; k < 10; k++) {
     // Everything can be hoisted out up to the index access which is
     // blocked by the bounds check.
     var a = x.left.left;
     var b = x.left.right;
     var c = x.right.left;
     var d = x.right.right;
     var i = a.value + c.value;
@@ skipping 21 matching lines @@
   var x1 = new Leaf(1);
   var x2 = new Leaf(10);
   var x3 = new Leaf(20);
   var x4 = new Leaf(-10);
   var y1 = new Branch(x1, x2);
   var y2 = new Branch(x3, x4);
   var z  = new Root(y1, y2);
   print(foo(z, [1,2,3,4,5,6,7,8,9,10]));
 }
 """,r"""
-function(x, list) {
-  var v0 = x.left, a = v0.left, b = v0.right, sum = 0, k = 0, c = (v0 = x.right).left, d = v0.right, v1, v2, v3, i, v4;
-  v0 = a.value;
-  v1 = c.value;
-  v2 = b.value;
-  for (v3 = d.value; k < 10; sum = sum + (i + list[v4]), k = k + 1) {
-    i = v0 + v1;
-    v4 = i * (v2 + v3);
-    if (v4 < 0 || v4 >= 10)
-      return H.ioore(list, v4);
+function() {
+  var v0 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10], sum = 0, k = 0, i, v1;
+  for (; k < 10; sum = sum + (i + v0[v1]), k = k + 1) {
+    i = 1 + 20;
+    v1 = i * (10 + -10);
+    if (v1 < 0 || v1 >= 10)
+      return H.ioore(v0, v1);
   }
-  return sum;
+  v0 = H.S(sum);
+  if (typeof dartPrint == "function")
+    dartPrint(v0);
+  else if (typeof console == "object" && typeof console.log != "undefined")
+    console.log(v0);
+  else if (!(typeof window == "object")) {
+    if (!(typeof print == "function"))
+      throw "Unable to print message: " + String(v0);
+    print(v0);
+  }
 }"""),
 ];
 
 void main() {
   runTests(tests);
 }