Convert ToBooleanStub to a HydrogenStub. Currently just using HBranch, which is still fully impleme…

src/ic.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 44 matching lines @@
   ICU(LoadPropertyWithInterceptorOnly)                \
   ICU(LoadPropertyWithInterceptorForLoad)             \
   ICU(LoadPropertyWithInterceptorForCall)             \
   ICU(KeyedLoadPropertyWithInterceptor)               \
   ICU(StoreInterceptorProperty)                       \
   ICU(UnaryOp_Patch)                                  \
   ICU(BinaryOp_Patch)                                 \
   ICU(CompareIC_Miss)                                 \
   ICU(CompareNilIC_Miss)                              \
   ICU(Unreachable)                                    \
-  ICU(ToBoolean_Patch)
+  ICU(ToBooleanIC_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.
   enum UtilityId {
   #define CONST_NAME(name) k##name,
     IC_UTIL_LIST(CONST_NAME)
@@ skipping 716 matching lines @@
   void patch(Code* code);
 
   static MUST_USE_RESULT MaybeObject* DoCompareNilSlow(EqualityKind kind,
                                                        NilValue nil,
                                                        Handle<Object> object);
 };
 
 
 class ToBooleanIC: public IC {
  public:
-  explicit ToBooleanIC(Isolate* isolate) : IC(NO_EXTRA_FRAME, isolate) { }
+  explicit ToBooleanIC(Isolate* isolate) : IC(EXTRA_CALL_FRAME, isolate) { }
 
   void patch(Code* code);
+
+  MaybeObject* ToBoolean(Handle<Object> object, Code::ExtraICState state);
 };
 
 
 // Helper for BinaryOpIC and CompareIC.
 enum InlinedSmiCheck { ENABLE_INLINED_SMI_CHECK, DISABLE_INLINED_SMI_CHECK };
 void PatchInlinedSmiCode(Address address, InlinedSmiCheck check);
 
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, KeyedLoadIC_MissFromStubFailure);
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, KeyedStoreIC_MissFromStubFailure);
-DECLARE_RUNTIME_FUNCTION(MaybeObject*, CompareNilIC_MissLight);
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, CompareNilIC_Miss);
+DECLARE_RUNTIME_FUNCTION(MaybeObject*, ToBooleanIC_Miss);
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_H_