VM: Re-format to use at most one newline between functions

runtime/vm/redundancy_elimination.h

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef RUNTIME_VM_REDUNDANCY_ELIMINATION_H_
 #define RUNTIME_VM_REDUNDANCY_ELIMINATION_H_
 
+#include "vm/flow_graph.h"
 #include "vm/intermediate_language.h"
-#include "vm/flow_graph.h"
 
 namespace dart {
 
 class CSEInstructionMap;
 
 class AllocationSinking : public ZoneAllocated {
  public:
   explicit AllocationSinking(FlowGraph* flow_graph)
       : flow_graph_(flow_graph), candidates_(5), materializations_(5) {}
 
@@ skipping 52 matching lines @@
   Zone* zone() const { return flow_graph_->zone(); }
 
   FlowGraph* flow_graph_;
 
   GrowableArray<Definition*> candidates_;
   GrowableArray<MaterializeObjectInstr*> materializations_;
 
   ExitsCollector exits_collector_;
 };
 
-
 // A simple common subexpression elimination based
 // on the dominator tree.
 class DominatorBasedCSE : public AllStatic {
  public:
   // Return true, if the optimization changed the flow graph.
   // False, if nothing changed.
   static bool Optimize(FlowGraph* graph);
 
  private:
   static bool OptimizeRecursive(FlowGraph* graph,
                                 BlockEntryInstr* entry,
                                 CSEInstructionMap* map);
 };
 
-
 class DeadStoreElimination : public AllStatic {
  public:
   static void Optimize(FlowGraph* graph);
 };
 
-
 class DeadCodeElimination : public AllStatic {
  public:
   static void EliminateDeadPhis(FlowGraph* graph);
 };
 
-
 // Optimize spill stores inside try-blocks by identifying values that always
 // contain a single known constant at catch block entry.
 class TryCatchAnalyzer : public AllStatic {
  public:
   static void Optimize(FlowGraph* flow_graph);
 };
 
-
 // Loop invariant code motion.
 class LICM : public ValueObject {
  public:
   explicit LICM(FlowGraph* flow_graph);
 
   void Optimize();
 
   void OptimisticallySpecializeSmiPhis();
 
  private:
   FlowGraph* flow_graph() const { return flow_graph_; }
 
   void Hoist(ForwardInstructionIterator* it,
              BlockEntryInstr* pre_header,
              Instruction* current);
 
   void TrySpecializeSmiPhi(PhiInstr* phi,
                            BlockEntryInstr* header,
                            BlockEntryInstr* pre_header);
 
   FlowGraph* const flow_graph_;
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_REDUNDANCY_ELIMINATION_H_