Use range information for optimizing integer boxing and fix bug in range analysis.

runtime/vm/dart_api_message.cc

 // Copyright (c) 2012, 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/bigint_operations.h"
 #include "vm/dart_api_message.h"
 #include "vm/object.h"
 #include "vm/snapshot_ids.h"
 #include "vm/symbols.h"
 #include "vm/unicode.h"
@@ skipping 844 matching lines @@
     }
     ASSERT(new_list != NULL);
     forward_list_ = reinterpret_cast<Dart_CObject**>(new_list);
   }
   forward_list_[forward_id_] = object;
   forward_id_ += 1;
 }
 
 
 void ApiMessageWriter::WriteSmi(int64_t value) {
-  ASSERT(Smi::IsValid64(value));
+  ASSERT(Smi::IsValid(value));
   Write<RawObject*>(Smi::New(static_cast<intptr_t>(value)));
 }
 
 
 void ApiMessageWriter::WriteNullObject() {
   WriteVMIsolateObject(kNullObject);
 }
 
 
 void ApiMessageWriter::WriteMint(Dart_CObject* object, int64_t value) {
-  ASSERT(!Smi::IsValid64(value));
+  ASSERT(!Smi::IsValid(value));
   // Write out the serialization header value for mint object.
   WriteInlinedHeader(object);
   // Write out the class and tags information.
   WriteIndexedObject(kMintCid);
   WriteTags(0);
   // Write the 64-bit value.
   Write<int64_t>(value);
 }
 
 
 void ApiMessageWriter::WriteInt32(Dart_CObject* object) {
   int64_t value = object->value.as_int32;
-  if (Smi::IsValid64(value)) {
+  if (Smi::IsValid(value)) {
     WriteSmi(value);
   } else {
     WriteMint(object, value);
   }
 }
 
 
 void ApiMessageWriter::WriteInt64(Dart_CObject* object) {
   int64_t value = object->value.as_int64;
-  if (Smi::IsValid64(value)) {
+  if (Smi::IsValid(value)) {
     WriteSmi(value);
   } else {
     WriteMint(object, value);
   }
 }
 
 
 void ApiMessageWriter::WriteInlinedHeader(Dart_CObject* object) {
   // Write out the serialization header value for this object.
   WriteInlinedObjectHeader(kMaxPredefinedObjectIds + object_id_);
@@ skipping 271 matching lines @@
     if (!success) {
       UnmarkAllCObjects(object);
       return false;
     }
   }
   UnmarkAllCObjects(object);
   return true;
 }
 
 }  // namespace dart