[ic] [stubs] Remove InlineCacheState field from the code flags.

src/objects.h

 // Copyright 2015 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/assert-scope.h"
@@ skipping 4846 matching lines @@
  public:
   // Opaque data type for encapsulating code flags like kind, inline
   // cache state, and arguments count.
   typedef uint32_t Flags;
 
 #define NON_IC_KIND_LIST(V) \
   V(FUNCTION)               \
   V(OPTIMIZED_FUNCTION)     \
   V(BYTECODE_HANDLER)       \
   V(STUB)                   \
+  V(DEBUG_STUB)             \
   V(HANDLER)                \
   V(BUILTIN)                \
   V(REGEXP)                 \
   V(WASM_FUNCTION)          \
   V(WASM_TO_JS_FUNCTION)    \
   V(JS_TO_WASM_FUNCTION)
 
 #define IC_KIND_LIST(V) \
   V(LOAD_IC)            \
   V(KEYED_LOAD_IC)      \
@@ skipping 85 matching lines @@
   inline ByteArray* unchecked_relocation_info();
 
   inline int relocation_size();
 
   // [flags]: Various code flags.
   inline Flags flags();
   inline void set_flags(Flags flags);
 
   // [flags]: Access to specific code flags.
   inline Kind kind();
-  inline InlineCacheState ic_state();  // Only valid for IC stubs.
+  InlineCacheState ic_state();           // Only valid for IC stubs.
   inline ExtraICState extra_ic_state();  // Only valid for IC stubs.
 
   // Testers for IC stub kinds.
   inline bool is_inline_cache_stub();
   inline bool is_debug_stub();
   inline bool is_handler();
   inline bool is_call_stub();
   inline bool is_binary_op_stub();
   inline bool is_compare_ic_stub();
   inline bool is_to_boolean_ic_stub();
@@ skipping 115 matching lines @@
   // snapshot so that it can be written in one, fast, memcpy during
   // deserialization. The deserializer will overwrite some pointers, rather
   // like a runtime linker, but the random allocation addresses used in the
   // mksnapshot process would still be present in the unlinked snapshot data,
   // which would make snapshot production non-reproducible. This method wipes
   // out the to-be-overwritten header data for reproducible snapshots.
   inline void WipeOutHeader();
 
   // Flags operations.
   static inline Flags ComputeFlags(
-      Kind kind, InlineCacheState ic_state = UNINITIALIZED,
-      ExtraICState extra_ic_state = kNoExtraICState,
-      CacheHolderFlag holder = kCacheOnReceiver);
-
-  static inline Flags ComputeMonomorphicFlags(
       Kind kind, ExtraICState extra_ic_state = kNoExtraICState,
       CacheHolderFlag holder = kCacheOnReceiver);
 
   static inline Flags ComputeHandlerFlags(
       Kind handler_kind, CacheHolderFlag holder = kCacheOnReceiver);
 
-  static inline InlineCacheState ExtractICStateFromFlags(Flags flags);
   static inline CacheHolderFlag ExtractCacheHolderFromFlags(Flags flags);
   static inline Kind ExtractKindFromFlags(Flags flags);
   static inline ExtraICState ExtractExtraICStateFromFlags(Flags flags);
 
   static inline Flags RemoveHolderFromFlags(Flags flags);
 
   // Convert a target address into a code object.
   static inline Code* GetCodeFromTargetAddress(Address address);
 
   // Convert an entry address into an object.
@@ skipping 151 matching lines @@
   static const int kFullCodeFlags = kKindSpecificFlags1Offset;
   class FullCodeFlagsHasDeoptimizationSupportField:
       public BitField<bool, 0, 1> {};  // NOLINT
   class FullCodeFlagsHasDebugBreakSlotsField: public BitField<bool, 1, 1> {};
   class FullCodeFlagsHasRelocInfoForSerialization
       : public BitField<bool, 2, 1> {};
   // Bit 3 in this bitfield is unused.
   class ProfilerTicksField : public BitField<int, 4, 28> {};
 
   // Flags layout.  BitField<type, shift, size>.
-  class ICStateField : public BitField<InlineCacheState, 0, 3> {};
-  class CacheHolderField : public BitField<CacheHolderFlag, 3, 2> {};
-  class KindField : public BitField<Kind, 5, 5> {};
-  class ExtraICStateField
-      : public BitField<ExtraICState, 10, PlatformSmiTagging::kSmiValueSize -
-                                              10 + 1> {};  // NOLINT
+  class CacheHolderField : public BitField<CacheHolderFlag, 0, 2> {};
+  class KindField : public BitField<Kind, CacheHolderField::kNext, 5> {};
+  class ExtraICStateField : public BitField<ExtraICState, KindField::kNext,
+                                            PlatformSmiTagging::kSmiValueSize -
+                                                KindField::kNext + 1> {};
 
   // KindSpecificFlags1 layout (STUB, BUILTIN and OPTIMIZED_FUNCTION)
   static const int kStackSlotsFirstBit = 0;
   static const int kStackSlotsBitCount = 24;
   static const int kMarkedForDeoptimizationBit =
       kStackSlotsFirstBit + kStackSlotsBitCount;
   static const int kIsTurbofannedBit = kMarkedForDeoptimizationBit + 1;
   static const int kCanHaveWeakObjects = kIsTurbofannedBit + 1;
 
   STATIC_ASSERT(kStackSlotsFirstBit + kStackSlotsBitCount <= 32);
@@ skipping 5499 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_