Break Crankshaft into phases.

src/lithium-allocator.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1044 matching lines @@
 
     LiveRange* live_range = LiveRangeFor(phi->id());
     LLabel* label = chunk_->GetLabel(phi->block()->block_id());
     label->GetOrCreateParallelMove(LGap::START, zone())->
         AddMove(phi_operand, live_range->GetSpillOperand(), zone());
     live_range->SetSpillStartIndex(phi->block()->first_instruction_index());
   }
 }
 
 
-bool LAllocator::Allocate(LChunk* chunk) {
+bool LAllocator::Allocate(LChunkBase* chunk) {
   ASSERT(chunk_ == NULL);
-  chunk_ = chunk;
+  chunk_ = static_cast<LChunk*>(chunk);
   MeetRegisterConstraints();
   if (!AllocationOk()) return false;
   ResolvePhis();
   BuildLiveRanges();
   AllocateGeneralRegisters();
   if (!AllocationOk()) return false;
   AllocateDoubleRegisters();
   if (!AllocationOk()) return false;
   PopulatePointerMaps();
   if (has_osr_entry_) ProcessOsrEntry();
@@ skipping 1032 matching lines @@
     LiveRange* current = live_ranges()->at(i);
     if (current != NULL) current->Verify();
   }
 }
 
 
 #endif
 
 
 } }  // namespace v8::internal