[turbofan] Split JSGlobalObjectSpecialization into separate class.

src/compiler/pipeline.cc

 // Copyright 2014 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/compiler/pipeline.h"
 
 #include <fstream>  // NOLINT(readability/streams)
 #include <sstream>
 
 #include "src/base/adapters.h"
@@ skipping 13 matching lines @@
 #include "src/compiler/graph-trimmer.h"
 #include "src/compiler/graph-visualizer.h"
 #include "src/compiler/greedy-allocator.h"
 #include "src/compiler/instruction.h"
 #include "src/compiler/instruction-selector.h"
 #include "src/compiler/js-builtin-reducer.h"
 #include "src/compiler/js-context-relaxation.h"
 #include "src/compiler/js-context-specialization.h"
 #include "src/compiler/js-frame-specialization.h"
 #include "src/compiler/js-generic-lowering.h"
+#include "src/compiler/js-global-object-specialization.h"
 #include "src/compiler/js-inlining-heuristic.h"
 #include "src/compiler/js-intrinsic-lowering.h"
 #include "src/compiler/js-native-context-specialization.h"
 #include "src/compiler/js-typed-lowering.h"
 #include "src/compiler/jump-threading.h"
 #include "src/compiler/live-range-separator.h"
 #include "src/compiler/load-elimination.h"
 #include "src/compiler/loop-analysis.h"
 #include "src/compiler/loop-peeling.h"
 #include "src/compiler/machine-operator-reducer.h"
@@ skipping 449 matching lines @@
 
 struct NativeContextSpecializationPhase {
   static const char* phase_name() { return "native context specialization"; }
 
   void Run(PipelineData* data, Zone* temp_zone) {
     JSGraphReducer graph_reducer(data->jsgraph(), temp_zone);
     DeadCodeElimination dead_code_elimination(&graph_reducer, data->graph(),
                                               data->common());
     CommonOperatorReducer common_reducer(&graph_reducer, data->graph(),
                                          data->common(), data->machine());
+    JSGlobalObjectSpecialization global_object_specialization(
+        &graph_reducer, data->jsgraph(),
+        data->info()->is_deoptimization_enabled()
+            ? JSGlobalObjectSpecialization::kDeoptimizationEnabled
+            : JSGlobalObjectSpecialization::kNoFlags,
+        handle(data->info()->global_object(), data->isolate()),
+        data->info()->dependencies());
     JSNativeContextSpecialization native_context_specialization(
         &graph_reducer, data->jsgraph(),
         data->info()->is_deoptimization_enabled()
             ? JSNativeContextSpecialization::kDeoptimizationEnabled
             : JSNativeContextSpecialization::kNoFlags,
-        handle(data->info()->global_object(), data->isolate()),
+        handle(data->info()->global_object()->native_context(),
+               data->isolate()),
         data->info()->dependencies(), temp_zone);
     AddReducer(data, &graph_reducer, &dead_code_elimination);
     AddReducer(data, &graph_reducer, &common_reducer);
+    AddReducer(data, &graph_reducer, &global_object_specialization);
     AddReducer(data, &graph_reducer, &native_context_specialization);
     graph_reducer.ReduceGraph();
   }
 };
 
 
 struct InliningPhase {
   static const char* phase_name() { return "inlining"; }
 
   void Run(PipelineData* data, Zone* temp_zone) {
@@ skipping 897 matching lines @@
     tcf << AsC1VRegisterAllocationData("CodeGen",
                                        data->register_allocation_data());
   }
 
   data->DeleteRegisterAllocationZone();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8