Added type recording for unary minus and unary bitwise negation. Note that the

src/ic.h

 // Copyright 2006-2009 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 35 matching lines @@
   ICU(SharedStoreIC_ExtendStorage)                    \
   ICU(KeyedStoreIC_Miss)                              \
   /* Utilities for IC stubs. */                       \
   ICU(LoadCallbackProperty)                           \
   ICU(StoreCallbackProperty)                          \
   ICU(LoadPropertyWithInterceptorOnly)                \
   ICU(LoadPropertyWithInterceptorForLoad)             \
   ICU(LoadPropertyWithInterceptorForCall)             \
   ICU(KeyedLoadPropertyWithInterceptor)               \
   ICU(StoreInterceptorProperty)                       \
+  ICU(TypeRecordingUnaryOp_Patch)                     \
   ICU(TypeRecordingBinaryOp_Patch)                    \
   ICU(CompareIC_Miss)
 //
 // IC is the base class for LoadIC, StoreIC, CallIC, KeyedLoadIC,
 // and KeyedStoreIC.
 //
 class IC {
  public:
 
   // The ids for utility called from the generated code.
@@ skipping 456 matching lines @@
     return isolate()->builtins()->builtin(
         Builtins::kKeyedStoreIC_Generic_Strict);
   }
 
   static void Clear(Address address, Code* target);
 
   friend class IC;
 };
 
 
+class TRUnaryOpIC: public IC {
+ public:
+
+  // sorted: increasingly more unspecific (ignoring UNINITIALIZED)
+  // TODO(svenpanne) Using enums+switch is an antipattern, use a class instead.
+  enum TypeInfo {
+    UNINITIALIZED,
+    SMI,
+    HEAP_NUMBER,
+    GENERIC
+  };
+
+  explicit TRUnaryOpIC(Isolate* isolate) : IC(NO_EXTRA_FRAME, isolate) { }
+
+  void patch(Code* code);
+
+  static const char* GetName(TypeInfo type_info);
+
+  static State ToState(TypeInfo type_info);
+
+  static TypeInfo GetTypeInfo(Handle<Object> operand);
+
+  static TypeInfo JoinTypes(TypeInfo x, TypeInfo y);
+};
+
+
 // Type Recording BinaryOpIC, that records the types of the inputs and outputs.
 class TRBinaryOpIC: public IC {
  public:
 
   enum TypeInfo {
     UNINITIALIZED,
     SMI,
     INT32,
     HEAP_NUMBER,
     ODDBALL,
@@ skipping 53 matching lines @@
 
   Token::Value op_;
 };
 
 // Helper for TRBinaryOpIC and CompareIC.
 void PatchInlinedSmiCode(Address address);
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_H_