[turbofan] Turn common Guard operator into simplified TypeGuard.

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 846 matching lines @@
 
 
 struct TypedLoweringPhase {
   static const char* phase_name() { return "typed lowering"; }
 
   void Run(PipelineData* data, Zone* temp_zone) {
     JSGraphReducer graph_reducer(data->jsgraph(), temp_zone);
     DeadCodeElimination dead_code_elimination(&graph_reducer, data->graph(),
                                               data->common());
     LoadElimination load_elimination(&graph_reducer, data->graph(),
-                                     data->common());
+                                     data->jsgraph()->simplified());
     JSBuiltinReducer builtin_reducer(&graph_reducer, data->jsgraph());
     MaybeHandle<LiteralsArray> literals_array =
         data->info()->is_native_context_specializing()
             ? handle(data->info()->closure()->literals(), data->isolate())
             : MaybeHandle<LiteralsArray>();
     JSCreateLowering create_lowering(
         &graph_reducer, data->info()->dependencies(), data->jsgraph(),
         literals_array, temp_zone);
     JSTypedLowering::Flags typed_lowering_flags = JSTypedLowering::kNoFlags;
     if (data->info()->is_deoptimization_enabled()) {
@@ skipping 914 matching lines @@
   data->DeleteRegisterAllocationZone();
 }
 
 CompilationInfo* PipelineImpl::info() const { return data_->info(); }
 
 Isolate* PipelineImpl::isolate() const { return info()->isolate(); }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8