Expose a lower bound of malloc'd memory via heap statistics

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 1076 matching lines @@
   if (FLAG_trace_turbo) {
     Run<PrintGraphPhase>(phase);
   }
   if (FLAG_turbo_verify) {
     Run<VerifyGraphPhase>(untyped);
   }
 }
 
 
 Handle<Code> Pipeline::GenerateCode() {
-  ZonePool zone_pool;
+  ZonePool zone_pool(isolate()->allocator());
   base::SmartPointer<PipelineStatistics> pipeline_statistics;
 
   if (FLAG_turbo_stats) {
     pipeline_statistics.Reset(new PipelineStatistics(info(), &zone_pool));
     pipeline_statistics->BeginPhaseKind("initializing");
   }
 
   if (FLAG_trace_turbo) {
     FILE* json_file = OpenVisualizerLogFile(info(), nullptr, "json", "w+");
     if (json_file != nullptr) {
@@ skipping 140 matching lines @@
 
 
 Handle<Code> Pipeline::GenerateCodeForCodeStub(Isolate* isolate,
                                                CallDescriptor* call_descriptor,
                                                Graph* graph, Schedule* schedule,
                                                Code::Flags flags,
                                                const char* debug_name) {
   CompilationInfo info(debug_name, isolate, graph->zone(), flags);
 
   // Construct a pipeline for scheduling and code generation.
-  ZonePool zone_pool;
+  ZonePool zone_pool(isolate->allocator());
   PipelineData data(&zone_pool, &info, graph, schedule);
   base::SmartPointer<PipelineStatistics> pipeline_statistics;
   if (FLAG_turbo_stats) {
     pipeline_statistics.Reset(new PipelineStatistics(&info, &zone_pool));
     pipeline_statistics->BeginPhaseKind("stub codegen");
   }
 
   Pipeline pipeline(&info);
   pipeline.data_ = &data;
   DCHECK_NOT_NULL(data.schedule());
@@ skipping 20 matching lines @@
       Linkage::ComputeIncoming(info->zone(), info);
   return GenerateCodeForTesting(info, call_descriptor, graph, schedule);
 }
 
 
 Handle<Code> Pipeline::GenerateCodeForTesting(CompilationInfo* info,
                                               CallDescriptor* call_descriptor,
                                               Graph* graph,
                                               Schedule* schedule) {
   // Construct a pipeline for scheduling and code generation.
-  ZonePool zone_pool;
+  ZonePool zone_pool(info->isolate()->allocator());
   PipelineData data(&zone_pool, info, graph, schedule);
   base::SmartPointer<PipelineStatistics> pipeline_statistics;
   if (FLAG_turbo_stats) {
     pipeline_statistics.Reset(new PipelineStatistics(info, &zone_pool));
     pipeline_statistics->BeginPhaseKind("test codegen");
   }
 
   Pipeline pipeline(info);
   pipeline.data_ = &data;
   if (data.schedule() == nullptr) {
     // TODO(rossberg): Should this really be untyped?
     pipeline.RunPrintAndVerify("Machine", true);
   }
 
   return pipeline.ScheduleAndGenerateCode(call_descriptor);
 }
 
 
 bool Pipeline::AllocateRegistersForTesting(const RegisterConfiguration* config,
                                            InstructionSequence* sequence,
                                            bool run_verifier) {
   CompilationInfo info("testing", sequence->isolate(), sequence->zone());
-  ZonePool zone_pool;
+  ZonePool zone_pool(sequence->isolate()->allocator());
   PipelineData data(&zone_pool, &info, sequence);
   Pipeline pipeline(&info);
   pipeline.data_ = &data;
   pipeline.data_->InitializeFrameData(nullptr);
   pipeline.AllocateRegisters(config, nullptr, run_verifier);
   return !data.compilation_failed();
 }
 
 
 Handle<Code> Pipeline::ScheduleAndGenerateCode(
@@ skipping 102 matching lines @@
 
 void Pipeline::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;
   RegisterAllocatorVerifier* verifier = nullptr;
   if (run_verifier) {
-    verifier_zone.Reset(new Zone());
+    verifier_zone.Reset(new Zone(isolate()->allocator()));
     verifier = new (verifier_zone.get()) RegisterAllocatorVerifier(
         verifier_zone.get(), config, data->sequence());
   }
 
   base::SmartArrayPointer<char> debug_name;
 #ifdef DEBUG
   debug_name = info()->GetDebugName();
   data_->sequence()->ValidateEdgeSplitForm();
   data_->sequence()->ValidateDeferredBlockExitPaths();
 #endif
@@ skipping 66 matching lines @@
   }
 
   data->DeleteRegisterAllocationZone();
 }
 
 Isolate* Pipeline::isolate() const { return info()->isolate(); }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8