[turbofan] cleanup PointerMap

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/platform/elapsed-timer.h"
@@ skipping 719 matching lines @@
 
 struct CommitAssignmentPhase {
   static const char* phase_name() { return "commit assignment"; }
 
   void Run(PipelineData* data, Zone* temp_zone) {
     data->register_allocator()->CommitAssignment();
   }
 };
 
 
-struct PopulatePointerMapsPhase {
+struct PopulateReferenceMapsPhase {
   static const char* phase_name() { return "populate pointer maps"; }
 
   void Run(PipelineData* data, Zone* temp_zone) {
-    data->register_allocator()->PopulatePointerMaps();
+    data->register_allocator()->PopulateReferenceMaps();
   }
 };
 
 
 struct ConnectRangesPhase {
   static const char* phase_name() { return "connect ranges"; }
 
   void Run(PipelineData* data, Zone* temp_zone) {
     data->register_allocator()->ConnectRanges();
   }
@@ skipping 455 matching lines @@
        << printable;
   }
   if (verifier != nullptr) {
     CHECK(!data->register_allocator()->ExistsUseWithoutDefinition());
   }
   Run<AllocateGeneralRegistersPhase>();
   Run<AllocateDoubleRegistersPhase>();
   Run<AssignSpillSlotsPhase>();
 
   Run<CommitAssignmentPhase>();
-  Run<PopulatePointerMapsPhase>();
+  Run<PopulateReferenceMapsPhase>();
   Run<ConnectRangesPhase>();
   Run<ResolveControlFlowPhase>();
   if (FLAG_turbo_move_optimization) {
     Run<OptimizeMovesPhase>();
   }
 
   if (FLAG_trace_turbo_graph) {
     OFStream os(stdout);
     PrintableInstructionSequence printable = {config, data->sequence()};
     os << "----- Instruction sequence after register allocation -----\n"
        << printable;
   }
 
   if (verifier != nullptr) {
     verifier->VerifyAssignment();
     verifier->VerifyGapMoves();
   }
 
   if (FLAG_trace_turbo && !data->MayHaveUnverifiableGraph()) {
     TurboCfgFile tcf(data->isolate());
     tcf << AsC1VAllocator("CodeGen", data->register_allocator());
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8