Provide optimized support for the %GetOrdinaryHasInstance intrinsic.

src/crankshaft/hydrogen.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/crankshaft/hydrogen.h"
 
 #include <sstream>
 
 #include "src/allocation-site-scopes.h"
 #include "src/ast/ast-numbering.h"
@@ skipping 12867 matching lines @@
 
 void HOptimizedGraphBuilder::GenerateDebugIsActive(CallRuntime* call) {
   DCHECK(call->arguments()->length() == 0);
   HValue* ref =
       Add<HConstant>(ExternalReference::debug_is_active_address(isolate()));
   HValue* value =
       Add<HLoadNamedField>(ref, nullptr, HObjectAccess::ForExternalUInteger8());
   return ast_context()->ReturnValue(value);
 }
 
+void HOptimizedGraphBuilder::GenerateGetOrdinaryHasInstance(CallRuntime* call) {
+  DCHECK(call->arguments()->length() == 0);
+  // ordinary_has_instance is immutable so we can treat it as a constant.
+  HValue* value = Add<HConstant>(
+      handle(isolate()->native_context()->ordinary_has_instance()));

[Toon Verwaest, 2016/03/17 15:12:54]

I think you can just do isolate()->ordinary_has_instance()

[mvstanton, 2016/03/17 15:23:48]

Done.

+  return ast_context()->ReturnValue(value);
+}
 
 #undef CHECK_BAILOUT
 #undef CHECK_ALIVE
 
 
 HEnvironment::HEnvironment(HEnvironment* outer,
                            Scope* scope,
                            Handle<JSFunction> closure,
                            Zone* zone)
     : closure_(closure),
@@ skipping 621 matching lines @@
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8