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

src/ic.h

Index: src/ic.h
===================================================================
--- src/ic.h	(revision 7683)
+++ src/ic.h	(working copy)
@@ -53,6 +53,7 @@
   ICU(LoadPropertyWithInterceptorForCall)             \
   ICU(KeyedLoadPropertyWithInterceptor)               \
   ICU(StoreInterceptorProperty)                       \
+  ICU(TypeRecordingUnaryOp_Patch)                     \
   ICU(TypeRecordingBinaryOp_Patch)                    \
   ICU(CompareIC_Miss)
 //
@@ -529,6 +530,32 @@
 };
 
 
+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: