Split HCompareGeneric in a test and a branch part.

src/hydrogen-instructions.h

 // 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 49 matching lines @@
   V(BinaryOperation)                           \
   V(BitwiseBinaryOperation)                    \
   V(ControlInstruction)                        \
   V(Instruction)                               \
 
 
 #define HYDROGEN_CONCRETE_INSTRUCTION_LIST(V)  \
   V(AccessArgumentsAt)                         \
   V(Add)                                       \
   V(Allocate)                                  \
+  V(AndBranch)                                 \
   V(ApplyArguments)                            \
   V(ArgumentsElements)                         \
   V(ArgumentsLength)                           \
   V(ArgumentsObject)                           \
   V(Bitwise)                                   \
   V(BlockEntry)                                \
   V(BoundsCheck)                               \
   V(BoundsCheckBaseIndexInformation)           \
   V(Branch)                                    \
   V(CallConstantFunction)                      \
@@ skipping 1110 matching lines @@
   void InternalSetOperandAt(int i, HValue* value) V8_OVERRIDE {
     inputs_[i] = value;
   }
 
  private:
   EmbeddedContainer<HBasicBlock*, S> successors_;
   EmbeddedContainer<HValue*, V> inputs_;
 };
 
 
+class HConstant;
+
+
+class HAndBranch V8_FINAL : public HTemplateControlInstruction<2, 1> {
+ public:
+  DECLARE_INSTRUCTION_FACTORY_P2(HAndBranch,
+                                 HValue*,
+                                 Token::Value);
+
+  virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE {
+    return Representation::Smi();
+  }
+
+  HValue* value()        { return OperandAt(0); }
+  Token::Value op()      { return op_; }
+
+  DECLARE_CONCRETE_INSTRUCTION(AndBranch);
+
+ private:
+  HAndBranch(HValue* value, Token::Value op) : op_(op) {
+    ASSERT(value->representation().IsSmi());
+    SetOperandAt(0, value);
+  }
+
+  Token::Value op_;
+};
+
+
 class HBlockEntry V8_FINAL : public HTemplateInstruction<0> {
  public:
   virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE {
     return Representation::None();
   }
 
   DECLARE_CONCRETE_INSTRUCTION(BlockEntry)
 };
 
 
@@ skipping 2726 matching lines @@
 
 class HCompareGeneric V8_FINAL : public HBinaryOperation {
  public:
   HCompareGeneric(HValue* context,
                   HValue* left,
                   HValue* right,
                   Token::Value token)
       : HBinaryOperation(context, left, right, HType::Boolean()),
         token_(token) {
     ASSERT(Token::IsCompareOp(token));
-    set_representation(Representation::Tagged());
+    set_representation(Representation::Smi());
     SetAllSideEffects();
   }
 
   virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE {
-    return index == 0
-        ? Representation::Tagged()
-        : representation();
+    return Representation::Tagged();
   }
 
   Token::Value token() const { return token_; }
   virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
 
   DECLARE_CONCRETE_INSTRUCTION(CompareGeneric)
 
  private:
   Token::Value token_;
 };
@@ skipping 3035 matching lines @@
   virtual bool IsDeletable() const V8_OVERRIDE { return true; }
 };
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_