[turbofan] Only run TypeHintAnalysis when --turbo-type-feedback is on.

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 581 matching lines @@
     if (!FLAG_always_opt) {
       info()->MarkAsBailoutOnUninitialized();
     }
     if (FLAG_native_context_specialization) {
       info()->MarkAsNativeContextSpecializing();
     }
   }
   if (!info()->shared_info()->asm_function() || FLAG_turbo_asm_deoptimization) {
     info()->MarkAsDeoptimizationEnabled();
   }
-  if (info()->is_deoptimization_enabled() && FLAG_turbo_type_feedback) {
-    info()->MarkAsTypeFeedbackEnabled();
-  }
   if (!info()->is_optimizing_from_bytecode()) {
+    if (info()->is_deoptimization_enabled() && FLAG_turbo_type_feedback) {
+      info()->MarkAsTypeFeedbackEnabled();
+    }
     if (!Compiler::EnsureDeoptimizationSupport(info())) return FAILED;
   }
 
   linkage_ = new (&zone_) Linkage(Linkage::ComputeIncoming(&zone_, info()));
 
   if (!pipeline_.CreateGraph()) {
     if (isolate()->has_pending_exception()) return FAILED;  // Stack overflowed.
     return AbortOptimization(kGraphBuildingFailed);
   }
 
@@ skipping 101 matching lines @@
       data->set_loop_assignment(loop_assignment);
     }
   }
 };
 
 
 struct TypeHintAnalysisPhase {
   static const char* phase_name() { return "type hint analysis"; }
 
   void Run(PipelineData* data, Zone* temp_zone) {
-    if (!data->info()->is_optimizing_from_bytecode()) {
+    if (data->info()->is_type_feedback_enabled()) {
       TypeHintAnalyzer analyzer(data->graph_zone());
       Handle<Code> code(data->info()->shared_info()->code(), data->isolate());
       TypeHintAnalysis* type_hint_analysis = analyzer.Analyze(code);
       data->set_type_hint_analysis(type_hint_analysis);
     }
   }
 };
 
 
 struct GraphBuilderPhase {
@@ skipping 1073 matching lines @@
   data->DeleteRegisterAllocationZone();
 }
 
 CompilationInfo* PipelineImpl::info() const { return data_->info(); }
 
 Isolate* PipelineImpl::isolate() const { return info()->isolate(); }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8