VM: Remove dead code from flow graph optimizer.

runtime/vm/flow_graph_optimizer.h

 // Copyright (c) 2012, 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 VM_FLOW_GRAPH_OPTIMIZER_H_
 #define VM_FLOW_GRAPH_OPTIMIZER_H_
 
 #include "vm/intermediate_language.h"
 #include "vm/flow_graph.h"
 
@@ skipping 36 matching lines @@
 
   // Returns true if any instructions were canonicalized away.
   bool Canonicalize();
 
   void EliminateDeadPhis();
 
   void SelectRepresentations();
 
   void WidenSmiToInt32();
 
-  void InferIntRanges();
-
-  void SelectIntegerInstructions();
-
-  void AnalyzeTryCatch();
-
   bool TryInlineRecognizedMethod(intptr_t receiver_cid,
                                  const Function& target,
                                  Instruction* call,
                                  Definition* receiver,
                                  TokenPosition token_pos,
                                  const ICData& ic_data,
                                  TargetEntryInstr** entry,
                                  Definition** last);
 
   // Remove environments from the instructions which do not deoptimize.
@@ skipping 89 matching lines @@
 
   bool InlineDoubleOp(Token::Kind op_kind,
                       Instruction* call,
                       TargetEntryInstr** entry,
                       Definition** last);
 
   bool InlineByteArrayBaseLoad(Instruction* call,
                                Definition* receiver,
                                intptr_t array_cid,
                                intptr_t view_cid,
-                               const ICData& ic_data,
                                TargetEntryInstr** entry,
                                Definition** last);
 
   bool InlineByteArrayBaseStore(const Function& target,
                                 Instruction* call,
                                 Definition* receiver,
                                 intptr_t array_cid,
                                 intptr_t view_cid,
-                                const ICData& ic_data,
                                 TargetEntryInstr** entry,
                                 Definition** last);
 
   intptr_t PrepareInlineByteArrayBaseOp(Instruction* call,
                                         intptr_t array_cid,
                                         intptr_t view_cid,
                                         Definition** array,
                                         Definition* index,
                                         Instruction** cursor);
 
@@ skipping 57 matching lines @@
 
   void ReplaceWithMathCFunction(InstanceCallInstr* call,
                                 MethodRecognizer::Kind recognized_kind);
 
   void OptimizeLeftShiftBitAndSmiOp(Definition* bit_and_instr,
                                     Definition* left_instr,
                                     Definition* right_instr);
   void TryMergeTruncDivMod(GrowableArray<BinarySmiOpInstr*>* merge_candidates);
   void TryMergeMathUnary(GrowableArray<MathUnaryInstr*>* merge_candidates);
 
-  void AppendLoadIndexedForMerged(Definition* instr, intptr_t ix, intptr_t cid);
   void AppendExtractNthOutputForMerged(Definition* instr, intptr_t ix,
                                        Representation rep, intptr_t cid);
   bool TryStringLengthOneEquality(InstanceCallInstr* call, Token::Kind op_kind);
 
   void InstanceCallNoopt(InstanceCallInstr* instr);
 
   RawField* GetField(intptr_t class_id, const String& field_name);
 
   Thread* thread() const { return flow_graph_->thread(); }
   Isolate* isolate() const { return flow_graph_->isolate(); }
   Zone* zone() const { return flow_graph_->zone(); }
 
   const Function& function() const { return flow_graph_->function(); }
 
   bool IsBlackListedForInlining(intptr_t deopt_id);
 
   FlowGraph* flow_graph_;
 
   const bool use_speculative_inlining_;
 
   GrowableArray<intptr_t>* inlining_black_list_;
 
   DISALLOW_COPY_AND_ASSIGN(FlowGraphOptimizer);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_OPTIMIZER_H_