VM: Remove more duplicate code between AOT and JIT compiler.

runtime/vm/jit_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_JIT_OPTIMIZER_H_
 #define VM_JIT_OPTIMIZER_H_
 
 #include "vm/intermediate_language.h"
 #include "vm/flow_graph.h"
 
@@ skipping 12 matching lines @@
   virtual ~JitOptimizer() {}
 
   FlowGraph* flow_graph() const { return flow_graph_; }
 
   // Use ICData to optimize, replace or eliminate instructions.
   void ApplyICData();
 
   // Use propagated class ids to optimize, replace or eliminate instructions.
   void ApplyClassIds();
 
-  // Optimize (a << b) & c pattern: if c is a positive Smi or zero, then the
-  // shift can be a truncating Smi shift-left and result is always Smi.
-  // Merge instructions (only per basic-block).
-  void TryOptimizePatterns();
-
   virtual void VisitStaticCall(StaticCallInstr* instr);
   virtual void VisitInstanceCall(InstanceCallInstr* instr);
   virtual void VisitStoreInstanceField(StoreInstanceFieldInstr* instr);
   virtual void VisitAllocateContext(AllocateContextInstr* instr);
   virtual void VisitLoadCodeUnits(LoadCodeUnitsInstr* instr);
 
   void InsertBefore(Instruction* next,
                     Instruction* instr,
                     Environment* env,
                     FlowGraph::UseKind use_kind) {
@@ skipping 51 matching lines @@
   // call, using the call's IC data to determine the check, and the call's
   // deopt ID and deoptimization environment if the check fails.
   void AddReceiverCheck(InstanceCallInstr* call);
 
   void ReplaceCall(Definition* call, Definition* replacement);
 
 
   bool InstanceCallNeedsClassCheck(InstanceCallInstr* call,
                                    RawFunction::Kind kind) const;
 
-  bool InlineFloat32x4Getter(InstanceCallInstr* call,
-                             MethodRecognizer::Kind getter);
-  bool InlineFloat64x2Getter(InstanceCallInstr* call,
-                             MethodRecognizer::Kind getter);
-  bool InlineInt32x4Getter(InstanceCallInstr* call,
-                            MethodRecognizer::Kind getter);
   bool InlineFloat32x4BinaryOp(InstanceCallInstr* call,
                                Token::Kind op_kind);
   bool InlineInt32x4BinaryOp(InstanceCallInstr* call,
                               Token::Kind op_kind);
   bool InlineFloat64x2BinaryOp(InstanceCallInstr* call,
                                Token::Kind op_kind);
   bool InlineImplicitInstanceGetter(InstanceCallInstr* call);
 
   RawBool* InstanceOfAsBool(const ICData& ic_data,
                             const AbstractType& type,
                             ZoneGrowableArray<intptr_t>* results) const;
 
   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 AppendExtractNthOutputForMerged(Definition* instr, intptr_t ix,
-                                       Representation rep, intptr_t cid);
   bool TryStringLengthOneEquality(InstanceCallInstr* call, Token::Kind op_kind);
 
   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(); }
 
   FlowGraph* flow_graph_;
 
   DISALLOW_COPY_AND_ASSIGN(JitOptimizer);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_JIT_OPTIMIZER_H_