Forking the type system between Crankshaft & Turbofan.

src/crankshaft/hydrogen.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_CRANKSHAFT_HYDROGEN_H_
 #define V8_CRANKSHAFT_HYDROGEN_H_
 
 #include "src/accessors.h"
 #include "src/allocation.h"
 #include "src/ast/ast-type-bounds.h"
@@ skipping 1378 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, Type* type);
+  HValue* BuildNumberToString(HValue* object, AstType* type);
   HValue* BuildToNumber(HValue* input);
   HValue* BuildToObject(HValue* receiver);
 
   void BuildJSObjectCheck(HValue* receiver,
                           int bit_field_mask);
 
   // Checks a key value that's being used for a keyed element access context. If
   // the key is a index, i.e. a smi or a number in a unique string with a cached
   // numeric value, the "true" of the continuation is joined. Otherwise,
   // if the key is a name or a unique string, the "false" of the continuation is
@@ skipping 83 matching lines @@
                               HValue* dependency = NULL);
   HLoadNamedField* AddLoadElements(HValue* object,
                                    HValue* dependency = NULL);
 
   bool MatchRotateRight(HValue* left,
                         HValue* right,
                         HValue** operand,
                         HValue** shift_amount);
 
   HValue* BuildBinaryOperation(Token::Value op, HValue* left, HValue* right,
-                               Type* left_type, Type* right_type,
-                               Type* result_type, Maybe<int> fixed_right_arg,
+                               AstType* left_type, AstType* right_type,
+                               AstType* result_type, Maybe<int> fixed_right_arg,
                                HAllocationMode allocation_mode,
                                BailoutId opt_id = BailoutId::None());
 
   HLoadNamedField* AddLoadFixedArrayLength(HValue *object,
                                            HValue *dependency = NULL);
 
   HLoadNamedField* AddLoadArrayLength(HValue *object,
                                       ElementsKind kind,
                                       HValue *dependency = NULL);
 
   HValue* AddLoadJSBuiltin(int context_index);
 
-  HValue* EnforceNumberType(HValue* number, Type* expected);
-  HValue* TruncateToNumber(HValue* value, Type** expected);
+  HValue* EnforceNumberType(HValue* number, AstType* expected);
+  HValue* TruncateToNumber(HValue* value, AstType** expected);
 
   void FinishExitWithHardDeoptimization(DeoptimizeReason reason);
 
   void AddIncrementCounter(StatsCounter* counter);
 
   class IfBuilder final {
    public:
     // If using this constructor, Initialize() must be called explicitly!
     IfBuilder();
 
@@ skipping 1171 matching lines @@
   void HandleLiteralCompareNil(CompareOperation* expr,
                                Expression* sub_expr,
                                NilValue nil);
 
   enum PushBeforeSimulateBehavior {
     PUSH_BEFORE_SIMULATE,
     NO_PUSH_BEFORE_SIMULATE
   };
 
   HControlInstruction* BuildCompareInstruction(
-      Token::Value op, HValue* left, HValue* right, Type* left_type,
-      Type* right_type, Type* combined_type, SourcePosition left_position,
+      Token::Value op, HValue* left, HValue* right, AstType* left_type,
+      AstType* right_type, AstType* combined_type, SourcePosition left_position,
       SourcePosition right_position, PushBeforeSimulateBehavior push_sim_result,
       BailoutId bailout_id);
 
   HInstruction* BuildStringCharCodeAt(HValue* string,
                                       HValue* index);
 
   HValue* BuildBinaryOperation(
       BinaryOperation* expr,
       HValue* left,
       HValue* right,
@@ skipping 319 matching lines @@
   }
 
  private:
   HOptimizedGraphBuilder* builder_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_HYDROGEN_H_