Support unboxed SIMD types in AllocationSinking

tests/language/vm/allocation_sinking_vm_test.dart

Index: tests/language/vm/allocation_sinking_vm_test.dart
diff --git a/tests/language/vm/allocation_sinking_vm_test.dart b/tests/language/vm/allocation_sinking_vm_test.dart
index 24d58950bb9cb832c42ec77b7a200653dae0bf38..619235a6186d882f8e79db5e5da0434499808c7f 100644
--- a/tests/language/vm/allocation_sinking_vm_test.dart
+++ b/tests/language/vm/allocation_sinking_vm_test.dart
@@ -4,6 +4,7 @@
 // Test allocation sinking optimization.
 // VMOptions=--optimization-counter-threshold=10 --no-use-osr
 
+import 'dart:typed_data';
 import 'package:expect/expect.dart';
 
 class Point {
@@ -21,6 +22,22 @@ class C {
   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);
@@ -55,6 +72,13 @@ test1(c, x, y) {
   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) { }
@@ -144,12 +168,22 @@ main() {
 
   // 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();