[turbofan] Initial support for Array constructor specialization.

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 180 matching lines @@
 
   Zone* graph_zone() const { return graph_zone_; }
   Graph* graph() const { return graph_; }
   SourcePositionTable* source_positions() const {
     return source_positions_.get();
   }
   MachineOperatorBuilder* machine() const { return machine_; }
   CommonOperatorBuilder* common() const { return common_; }
   JSOperatorBuilder* javascript() const { return javascript_; }
   JSGraph* jsgraph() const { return jsgraph_; }
+  MaybeHandle<Context> native_context() const {
+    if (info()->is_native_context_specializing()) {
+      return handle(info()->native_context(), isolate());
+    }
+    return MaybeHandle<Context>();
+  }
 
   LoopAssignmentAnalysis* loop_assignment() const { return loop_assignment_; }
   void set_loop_assignment(LoopAssignmentAnalysis* loop_assignment) {
     DCHECK(!loop_assignment_);
     loop_assignment_ = loop_assignment;
   }
 
   Schedule* schedule() const { return schedule_; }
   void set_schedule(Schedule* schedule) {
     DCHECK(!schedule_);
@@ skipping 290 matching lines @@
 
   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());
     JSCallReducer call_reducer(data->jsgraph(),
                                data->info()->is_deoptimization_enabled()
                                    ? JSCallReducer::kDeoptimizationEnabled
-                                   : JSCallReducer::kNoFlags);
+                                   : JSCallReducer::kNoFlags,
+                               data->native_context());
     JSContextSpecialization context_specialization(
         &graph_reducer, data->jsgraph(),
         data->info()->is_function_context_specializing()
             ? data->info()->context()
             : MaybeHandle<Context>());
     JSFrameSpecialization frame_specialization(data->info()->osr_frame(),
                                                data->jsgraph());
     JSGlobalObjectSpecialization global_object_specialization(
         &graph_reducer, data->jsgraph(),
         data->info()->is_deoptimization_enabled()
             ? JSGlobalObjectSpecialization::kDeoptimizationEnabled
             : JSGlobalObjectSpecialization::kNoFlags,
-        data->info()->is_native_context_specializing()
-            ? handle(data->info()->native_context(), data->isolate())
-            : MaybeHandle<Context>(),
-        data->info()->dependencies());
+        data->native_context(), data->info()->dependencies());
     JSNativeContextSpecialization native_context_specialization(
         &graph_reducer, data->jsgraph(),
         data->info()->is_deoptimization_enabled()
             ? JSNativeContextSpecialization::kDeoptimizationEnabled
             : JSNativeContextSpecialization::kNoFlags,
-        data->info()->is_native_context_specializing()
-            ? handle(data->info()->native_context(), data->isolate())
-            : MaybeHandle<Context>(),
-        data->info()->dependencies(), temp_zone);
+        data->native_context(), data->info()->dependencies(), temp_zone);
     JSInliningHeuristic inlining(&graph_reducer,
                                  data->info()->is_inlining_enabled()
                                      ? JSInliningHeuristic::kGeneralInlining
                                      : JSInliningHeuristic::kRestrictedInlining,
                                  temp_zone, data->info(), data->jsgraph());
     AddReducer(data, &graph_reducer, &dead_code_elimination);
     AddReducer(data, &graph_reducer, &common_reducer);
     if (data->info()->is_frame_specializing()) {
       AddReducer(data, &graph_reducer, &frame_specialization);
     }
@@ skipping 878 matching lines @@
     tcf << AsC1VRegisterAllocationData("CodeGen",
                                        data->register_allocation_data());
   }
 
   data->DeleteRegisterAllocationZone();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8