Special code for equality comparison for Smi, allowing null on left or right without calling deop...

runtime/vm/code_generator.cc

 // Copyright (c) 2011, 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/code_generator.h"
 
 #include "vm/code_index_table.h"
 #include "vm/code_patcher.h"
 #include "vm/compiler.h"
 #include "vm/dart_api_impl.h"
@@ skipping 461 matching lines @@
   DartFrame* caller_frame = iterator.NextFrame();
   ICData ic_data(Array::Handle(
       CodePatcher::GetInstanceCallIcDataAt(caller_frame->pc())));
   GrowableArray<const Class*> classes;
   classes.Add(&Class::ZoneHandle(receiver.clazz()));
   ic_data.AddCheck(classes, target_function);
   CodePatcher::SetInstanceCallIcDataAt(caller_frame->pc(),
                                        Array::ZoneHandle(ic_data.data()));
   arguments.SetReturn(target_function);
   if (FLAG_trace_ic) {
-    OS::Print("InlineCacheMissHandler 0x%x adding receiver '%s' -> '%s'\n",
-        caller_frame->pc(), receiver.ToCString(), target_function.ToCString());
+    OS::Print("InlineCacheMissHandler call at 0x%x' adding <%s> -> <%s>\n",
+        caller_frame->pc(),
+        Class::Handle(receiver.clazz()).ToCString(),
+        target_function.ToCString());
   }
 }
 
 
 static RawFunction* LookupDynamicFunction(const Class& in_cls,
                                           const String& name) {
   Class& cls = Class::Handle();
   // For lookups treat null as an instance of class Object.
   if (in_cls.IsNullClass()) {
     cls = Isolate::Current()->object_store()->object_class();
@@ skipping 468 matching lines @@
       }
     }
   }
   // The cache is null terminated, therefore the loop above should never
   // terminate by itself.
   UNREACHABLE();
   return Code::null();
 }
 
 }  // namespace dart