Support unboxed SIMD types in AllocationSinking

runtime/vm/flow_graph_optimizer.cc

 // 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.
 
 #include "vm/flow_graph_optimizer.h"
 
 #include "vm/bit_vector.h"
 #include "vm/cha.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_builder.h"
@@ skipping 8178 matching lines @@
   }
 
   // Process materializations and unbox their arguments: materializations
   // are part of the environment and can materialize boxes for double/mint/simd
   // values when needed.
   // TODO(vegorov): handle all box types here.
   for (intptr_t i = 0; i < materializations_.length(); i++) {
     MaterializeObjectInstr* mat = materializations_[i];
     for (intptr_t j = 0; j < mat->InputCount(); j++) {
       Definition* defn = mat->InputAt(j)->definition();
-      if (defn->IsBoxDouble()) {
+      if (defn->IsBoxDouble() ||
+          defn->IsBoxFloat32x4() ||
+          defn->IsBoxInt32x4()) {
         mat->InputAt(j)->BindTo(defn->InputAt(0)->definition());
       }
     }
   }
 }
 
 
 // Remove materializations from the graph. Register allocator will treat them
 // as part of the environment not as a real instruction.
 void AllocationSinking::DetachMaterializations() {
@@ skipping 111 matching lines @@
   }
 
   // Insert materializations at environment uses.
   for (intptr_t i = 0; i < exits.length(); i++) {
     CreateMaterializationAt(exits[i], alloc, alloc->cls(), *fields);
   }
 }
 
 
 }  // namespace dart