Support unboxed SIMD types in AllocationSinking

tests/language/vm/allocation_sinking_vm_test.dart

 // Copyright (c) 2013, 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 allocation sinking optimization.
 // VMOptions=--optimization-counter-threshold=10 --no-use-osr
 
+import 'dart:typed_data';
 import 'package:expect/expect.dart';
 
 class Point {
   var x, y;
 
   Point(this.x, this.y);
 
   operator * (other) {
     return x * other.x + y * other.y;
   }
 }
 
 class C {
   var p;
   C(this.p);
 }
 
+
+class Pointx4 {
+  var x, y;
+
+  Pointx4(this.x, this.y);
+
+  operator * (other) {
+    return x * other.x + y * other.y;
+  }
+}
+
+class Cx4 {
+  var p;
+  Cx4(this.p);
+}
+
 class D {
   var p;
   D(this.p);
 }
 
 // Class that is used to capture materialized Point object with * operator.
 class F {
   var p;
   var val;
 
@@ skipping 14 matching lines @@
   }
 }
 
 test1(c, x, y) {
   var a = new Point(x - 0.5, y + 0.5);
   var b = new Point(x + 0.5, y + 0.8);
   var d = new Point(c.p * a, c.p * b);
   return d * d;
 }
 
+test1x4(c, x, y, z, w) {
+  var a = new Pointx4(x - z, y + w);
+  var b = new Pointx4(x + w, y + z);
+  var d = new Pointx4(c.p * a, c.p * b);
+  return d * d;
+}
+
 effects() {
   // This function should not be inlinable.
   try { } catch (e) { }
 }
 
 testForwardingThroughEffects(c, x, y) {
   var a = new Point(x - 0.5, y + 0.5);
   var b = new Point(x - 0.5, y - 0.8);
   var d = new Point(c.p * a, c.p * b);
   // Effects can't affect neither a, b, nor d because they do not escape.
@@ skipping 69 matching lines @@
   Expect.equals(84, test_vm_field());
   for (var i = 0; i < 100; i++) test_vm_field();
   Expect.equals(84, test_vm_field());
 }
 
 main() {
   var c = new C(new Point(0.1, 0.2));
 
   // Compute initial values.
   final x0 = test1(c, 11.11, 22.22);
+  var fc = new Cx4(new Pointx4(new Float32x4(1.0, 1.0, 1.0, 1.0),
+                               new Float32x4(1.0, 1.0, 1.0, 1.0)));
+  final fx0 = test1x4(fc, new Float32x4(1.0, 1.0, 1.0, 1.0),
+                          new Float32x4(1.0, 1.0, 1.0, 1.0),
+                          new Float32x4(1.0, 1.0, 1.0, 1.0),
+                          new Float32x4(1.0, 1.0, 1.0, 1.0));
   final y0 = testForwardingThroughEffects(c, 11.11, 22.22);
   final z0 = testIdentity(c.p);
 
   // Force optimization.
   for (var i = 0; i < 100; i++) {
     test1(c, i.toDouble(), i.toDouble());
+    test1x4(fc, new Float32x4(1.0, 1.0, 1.0, 1.0),
+                new Float32x4(1.0, 1.0, 1.0, 1.0),
+                new Float32x4(1.0, 1.0, 1.0, 1.0),
+                new Float32x4(1.0, 1.0, 1.0, 1.0));
     testForwardingThroughEffects(c, i.toDouble(), i.toDouble());
     testIdentity(c.p);
     foo2();
     Expect.equals(10, foo3(5));
   }
   Expect.equals(0.0, foo3(0.5));
 
   // Test returned value after optimization.
   final x1 = test1(c, 11.11, 22.22);
   final y1 = testForwardingThroughEffects(c, 11.11, 22.22);
@@ skipping 17 matching lines @@
   // Test that identity of materialized objects is preserved correctly and
   // no copies are materialized.
   final z1 = testIdentity(c.p);
   final z2 = testIdentity(new F(c.p));
   Expect.equals(z0, z1);
   Expect.equals(z0, z2);
 
   testFinalField();
   testVMField();
 }