Replace SmartPointer<T> with unique_ptr<T>

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 <memory>
 #include <sstream>
 
@@ skipping 562 matching lines @@
  protected:
   Status CreateGraphImpl() final;
   Status OptimizeGraphImpl() final;
   Status GenerateCodeImpl() final;
 
  private:
   Zone zone_;
   ZonePool zone_pool_;
   ParseInfo parse_info_;
   CompilationInfo info_;
-  base::SmartPointer<PipelineStatistics> pipeline_statistics_;
+  std::unique_ptr<PipelineStatistics> pipeline_statistics_;
   PipelineData data_;
   PipelineImpl pipeline_;
   Linkage* linkage_;
+
+  DISALLOW_COPY_AND_ASSIGN(PipelineCompilationJob);
 };
 
 PipelineCompilationJob::Status PipelineCompilationJob::CreateGraphImpl() {
   if (info()->shared_info()->asm_function()) {
     if (info()->osr_frame()) info()->MarkAsFrameSpecializing();
     info()->MarkAsFunctionContextSpecializing();
   } else {
     if (!FLAG_always_opt) {
       info()->MarkAsBailoutOnUninitialized();
     }
@@ skipping 960 matching lines @@
 Handle<Code> Pipeline::GenerateCodeForCodeStub(Isolate* isolate,
                                                CallDescriptor* call_descriptor,
                                                Graph* graph, Schedule* schedule,
                                                Code::Flags flags,
                                                const char* debug_name) {
   CompilationInfo info(CStrVector(debug_name), isolate, graph->zone(), flags);
 
   // Construct a pipeline for scheduling and code generation.
   ZonePool zone_pool(isolate->allocator());
   PipelineData data(&zone_pool, &info, graph, schedule);
-  base::SmartPointer<PipelineStatistics> pipeline_statistics;
+  std::unique_ptr<PipelineStatistics> pipeline_statistics;
   if (FLAG_turbo_stats || FLAG_turbo_stats_nvp) {
-    pipeline_statistics.Reset(new PipelineStatistics(&info, &zone_pool));
+    pipeline_statistics.reset(new PipelineStatistics(&info, &zone_pool));
     pipeline_statistics->BeginPhaseKind("stub codegen");
   }
 
   PipelineImpl pipeline(&data);
   DCHECK_NOT_NULL(data.schedule());
 
   if (FLAG_trace_turbo) {
     {
       TurboJsonFile json_of(&info, std::ios_base::trunc);
       json_of << "{\"function\":\"" << info.GetDebugName().get()
               << "\", \"source\":\"\",\n\"phases\":[";
     }
     pipeline.Run<PrintGraphPhase>("Machine");
   }
 
   pipeline.Run<VerifyGraphPhase>(false, true);
   return pipeline.ScheduleAndGenerateCode(call_descriptor);
 }
 
 // static
 Handle<Code> Pipeline::GenerateCodeForTesting(CompilationInfo* info) {
   ZonePool zone_pool(info->isolate()->allocator());
-  base::SmartPointer<PipelineStatistics> pipeline_statistics(
+  std::unique_ptr<PipelineStatistics> pipeline_statistics(
       CreatePipelineStatistics(info, &zone_pool));
   PipelineData data(&zone_pool, info, pipeline_statistics.get());
   PipelineImpl pipeline(&data);
 
   Linkage linkage(Linkage::ComputeIncoming(data.instruction_zone(), info));
 
   if (!pipeline.CreateGraph()) return Handle<Code>::null();
   if (!pipeline.OptimizeGraph(&linkage)) return Handle<Code>::null();
   return pipeline.GenerateCode(&linkage);
 }
 
 // static
 Handle<Code> Pipeline::GenerateCodeForTesting(CompilationInfo* info,
                                               Graph* graph,
                                               Schedule* schedule) {
   CallDescriptor* call_descriptor =
       Linkage::ComputeIncoming(info->zone(), info);
   return GenerateCodeForTesting(info, call_descriptor, graph, schedule);
 }
 
 // static
 Handle<Code> Pipeline::GenerateCodeForTesting(CompilationInfo* info,
                                               CallDescriptor* call_descriptor,
                                               Graph* graph,
                                               Schedule* schedule) {
   // Construct a pipeline for scheduling and code generation.
   ZonePool zone_pool(info->isolate()->allocator());
   PipelineData data(&zone_pool, info, graph, schedule);
-  base::SmartPointer<PipelineStatistics> pipeline_statistics;
+  std::unique_ptr<PipelineStatistics> pipeline_statistics;
   if (FLAG_turbo_stats || FLAG_turbo_stats_nvp) {
-    pipeline_statistics.Reset(new PipelineStatistics(info, &zone_pool));
+    pipeline_statistics.reset(new PipelineStatistics(info, &zone_pool));
     pipeline_statistics->BeginPhaseKind("test codegen");
   }
 
   PipelineImpl pipeline(&data);
 
   if (FLAG_trace_turbo) {
     TurboJsonFile json_of(info, std::ios_base::trunc);
     json_of << "{\"function\":\"" << info->GetDebugName().get()
             << "\", \"source\":\"\",\n\"phases\":[";
   }
@@ skipping 146 matching lines @@
 
   // Generate the final machine code.
   return GenerateCode(&linkage);
 }
 
 void PipelineImpl::AllocateRegisters(const RegisterConfiguration* config,
                                      CallDescriptor* descriptor,
                                      bool run_verifier) {
   PipelineData* data = this->data_;
   // Don't track usage for this zone in compiler stats.
-  base::SmartPointer<Zone> verifier_zone;
+  std::unique_ptr<Zone> verifier_zone;
   RegisterAllocatorVerifier* verifier = nullptr;
   if (run_verifier) {
-    verifier_zone.Reset(new Zone(isolate()->allocator()));
+    verifier_zone.reset(new Zone(isolate()->allocator()));
     verifier = new (verifier_zone.get()) RegisterAllocatorVerifier(
         verifier_zone.get(), config, data->sequence());
   }
 
 #ifdef DEBUG
   data_->sequence()->ValidateEdgeSplitForm();
   data_->sequence()->ValidateDeferredBlockEntryPaths();
   data_->sequence()->ValidateDeferredBlockExitPaths();
 #endif
 
@@ skipping 62 matching lines @@
   data->DeleteRegisterAllocationZone();
 }
 
 CompilationInfo* PipelineImpl::info() const { return data_->info(); }
 
 Isolate* PipelineImpl::isolate() const { return info()->isolate(); }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8