Simplify compilation of relational operators.

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 33 matching lines @@
 
   void InferSmiRanges();
 
   void AnalyzeTryCatch();
 
   // Remove environments from the instructions which do not deoptimize.
   void EliminateEnvironments();
 
   virtual void VisitStaticCall(StaticCallInstr* instr);
   virtual void VisitInstanceCall(InstanceCallInstr* instr);
-  virtual void VisitRelationalOp(RelationalOpInstr* instr);
   virtual void VisitEqualityCompare(EqualityCompareInstr* instr);
   virtual void VisitBranch(BranchInstr* instr);
   virtual void VisitStrictCompare(StrictCompareInstr* instr);
 
   void InsertBefore(Instruction* next,
                     Instruction* instr,
                     Environment* env,
                     Definition::UseKind use_kind) {
     flow_graph_->InsertBefore(next, instr, env, use_kind);
   }
@@ skipping 10 matching lines @@
                             Definition** index);
   bool TryReplaceWithStoreIndexed(InstanceCallInstr* call);
   void BuildStoreIndexed(InstanceCallInstr* call,
                          const ICData& value_check,
                          intptr_t class_id);
   bool TryReplaceWithLoadIndexed(InstanceCallInstr* call);
 
   bool TryReplaceWithBinaryOp(InstanceCallInstr* call, Token::Kind op_kind);
   bool TryReplaceWithUnaryOp(InstanceCallInstr* call, Token::Kind op_kind);
 
+  bool TryReplaceWithRelationalOp(InstanceCallInstr* call, Token::Kind op_kind);
+
   bool TryInlineInstanceGetter(InstanceCallInstr* call);
   bool TryInlineInstanceSetter(InstanceCallInstr* call,
                                const ICData& unary_ic_data);
 
   bool TryInlineInstanceMethod(InstanceCallInstr* call);
   bool TryInlineFloat32x4Constructor(StaticCallInstr* call,
                                      MethodRecognizer::Kind recognized_kind);
   bool TryInlineUint32x4Constructor(StaticCallInstr* call,
                                     MethodRecognizer::Kind recognized_kind);
   bool TryInlineFloat32x4Method(InstanceCallInstr* call,
@@ skipping 61 matching lines @@
   bool InlineUint32x4BinaryOp(InstanceCallInstr* call,
                               Token::Kind op_kind);
   void InlineImplicitInstanceGetter(InstanceCallInstr* call);
 
   RawBool* InstanceOfAsBool(const ICData& ic_data,
                             const AbstractType& type) const;
 
   void ReplaceWithMathCFunction(InstanceCallInstr* call,
                                 MethodRecognizer::Kind recognized_kind);
 
-  void HandleComparison(ComparisonInstr* comp,
-                        const ICData& ic_data,
-                        Instruction* current_instruction);
-
-  void HandleRelationalOp(RelationalOpInstr* comp);
-
   // Visit an equality compare.  The current instruction can be the
   // comparison itself or a branch on the comparison.
   template <typename T>
   void HandleEqualityCompare(EqualityCompareInstr* comp,
                              T current_instruction);
 
   static bool CanStrictifyEqualityCompare(EqualityCompareInstr* call);
 
   template <typename T>
   bool StrictifyEqualityCompare(EqualityCompareInstr* compare,
@@ skipping 188 matching lines @@
 // 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);
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_OPTIMIZER_H_