Zonify types in compiler frontend

src/hydrogen.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 1268 matching lines @@
                                    HValue* elements,
                                    ElementsKind kind,
                                    HValue* length);
 
   void BuildTransitionElementsKind(HValue* object,
                                    HValue* map,
                                    ElementsKind from_kind,
                                    ElementsKind to_kind,
                                    bool is_jsarray);
 
-  HValue* BuildNumberToString(HValue* object, Handle<Type> type);
+  HValue* BuildNumberToString(HValue* object, Type* type);
 
   HValue* BuildUncheckedDictionaryElementLoad(HValue* receiver,
                                               HValue* key);
 
   // Computes the size for a sequential string of the given length and encoding.
   HValue* BuildSeqStringSizeFor(HValue* length,
                                 String::Encoding encoding);
   // Copies characters from one sequential string to another.
   void BuildCopySeqStringChars(HValue* src,
                                HValue* src_offset,
@@ skipping 43 matching lines @@
   HLoadNamedField* AddLoadElements(HValue* object);
 
   bool MatchRotateRight(HValue* left,
                         HValue* right,
                         HValue** operand,
                         HValue** shift_amount);
 
   HValue* BuildBinaryOperation(Token::Value op,
                                HValue* left,
                                HValue* right,
-                               Handle<Type> left_type,
-                               Handle<Type> right_type,
-                               Handle<Type> result_type,
+                               Type* left_type,
+                               Type* right_type,
+                               Type* result_type,
                                Maybe<int> fixed_right_arg);
 
   HLoadNamedField* AddLoadFixedArrayLength(HValue *object);
 
   HValue* AddLoadJSBuiltin(Builtins::JavaScript builtin);
 
-  HValue* EnforceNumberType(HValue* number, Handle<Type> expected);
-  HValue* TruncateToNumber(HValue* value, Handle<Type>* expected);
+  HValue* EnforceNumberType(HValue* number, Type* expected);
+  HValue* TruncateToNumber(HValue* value, Type** expected);
 
   void FinishExitWithHardDeoptimization(const char* reason,
                                         HBasicBlock* continuation);
 
   void AddIncrementCounter(StatsCounter* counter);
 
   class IfBuilder V8_FINAL {
    public:
     explicit IfBuilder(HGraphBuilder* builder);
     IfBuilder(HGraphBuilder* builder,
@@ skipping 335 matching lines @@
   HValue* BuildCloneShallowArray(HValue* boilerplate,
                                  HValue* allocation_site,
                                  AllocationSiteMode mode,
                                  ElementsKind kind,
                                  int length);
 
   HValue* BuildElementIndexHash(HValue* index);
 
   void BuildCompareNil(
       HValue* value,
-      Handle<Type> type,
+      Type* type,
       HIfContinuation* continuation);
 
   void BuildCreateAllocationMemento(HValue* previous_object,
                                     HValue* previous_object_size,
                                     HValue* payload);
 
   HInstruction* BuildConstantMapCheck(Handle<JSObject> constant,
                                       CompilationInfo* info);
   HInstruction* BuildCheckPrototypeMaps(Handle<JSObject> prototype,
                                         Handle<JSObject> holder);
@@ skipping 590 matching lines @@
                                        Handle<String> name);
   void HandleLiteralCompareTypeof(CompareOperation* expr,
                                   Expression* sub_expr,
                                   Handle<String> check);
   void HandleLiteralCompareNil(CompareOperation* expr,
                                Expression* sub_expr,
                                NilValue nil);
   HControlInstruction* BuildCompareInstruction(Token::Value op,
                                                HValue* left,
                                                HValue* right,
-                                               Handle<Type> left_type,
-                                               Handle<Type> right_type,
-                                               Handle<Type> combined_type,
+                                               Type* left_type,
+                                               Type* right_type,
+                                               Type* combined_type,
                                                int left_position,
                                                int right_position,
                                                BailoutId bailout_id);
 
   HInstruction* BuildStringCharCodeAt(HValue* string,
                                       HValue* index);
   HValue* BuildBinaryOperation(BinaryOperation* expr,
                                HValue* left,
                                HValue* right);
   HInstruction* BuildIncrement(bool returns_original_input,
@@ skipping 297 matching lines @@
   }
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_