Make it possible to Crankshaft all kinds of stubs.

src/objects.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 4309 matching lines @@
 class Code: public HeapObject {
  public:
   // Opaque data type for encapsulating code flags like kind, inline
   // cache state, and arguments count.
   typedef uint32_t Flags;
 
 #define CODE_KIND_LIST(V) \
   V(FUNCTION)             \
   V(OPTIMIZED_FUNCTION)   \
   V(STUB)                 \
-  V(COMPILED_STUB)        \
   V(BUILTIN)              \
   V(LOAD_IC)              \
   V(KEYED_LOAD_IC)        \
   V(CALL_IC)              \
   V(KEYED_CALL_IC)        \
   V(STORE_IC)             \
   V(KEYED_STORE_IC)       \
   V(UNARY_OP_IC)          \
   V(BINARY_OP_IC)         \
   V(COMPARE_IC)           \
@@ skipping 122 matching lines @@
   inline bool is_keyed_call_stub() { return kind() == KEYED_CALL_IC; }
   inline bool is_unary_op_stub() { return kind() == UNARY_OP_IC; }
   inline bool is_binary_op_stub() { return kind() == BINARY_OP_IC; }
   inline bool is_compare_ic_stub() { return kind() == COMPARE_IC; }
   inline bool is_to_boolean_ic_stub() { return kind() == TO_BOOLEAN_IC; }
 
   // [major_key]: For kind STUB or BINARY_OP_IC, the major key.
   inline int major_key();
   inline void set_major_key(int value);
 
+  // For kind STUB or ICs, tells whether or not a code object was generated by
+  // the optimizing compiler (but it may not be an optimized function).
+  bool is_crankshafted();
+  inline void set_is_crankshafted(bool value);
+
   // For stubs, tells whether they should always exist, so that they can be
   // called from other stubs.
   inline bool is_pregenerated();
   inline void set_is_pregenerated(bool value);
 
   // [optimizable]: For FUNCTION kind, tells if it is optimizable.
   inline bool optimizable();
   inline void set_optimizable(bool value);
 
   // [has_deoptimization_support]: For FUNCTION kind, tells if it has
@@ skipping 295 matching lines @@
   class UnaryOpTypeField: public BitField<int,
       kUnaryOpTypeFirstBit, kUnaryOpTypeBitCount> {};  // NOLINT
   class ToBooleanStateField: public BitField<int,
       kToBooleanStateFirstBit, kToBooleanStateBitCount> {};  // NOLINT
   class HasFunctionCacheField: public BitField<bool,
       kHasFunctionCacheFirstBit, kHasFunctionCacheBitCount> {};  // NOLINT
   class MarkedForDeoptimizationField: public BitField<bool,
       kMarkedForDeoptimizationFirstBit,
       kMarkedForDeoptimizationBitCount> {};  // NOLINT
 
+  // KindSpecificFlags2 layout (ALL)
+  static const int kIsCrankshaftedBit = 0;
+  class IsCrankshaftedField: public BitField<bool,
+      kIsCrankshaftedBit, 1> {};  // NOLINT
+
   // KindSpecificFlags2 layout (STUB and OPTIMIZED_FUNCTION)
-  static const int kStubMajorKeyFirstBit = 0;
+  static const int kStubMajorKeyFirstBit = kIsCrankshaftedBit + 1;
   static const int kSafepointTableOffsetFirstBit =
       kStubMajorKeyFirstBit + kStubMajorKeyBits;
-  static const int kSafepointTableOffsetBitCount = 26;
+  static const int kSafepointTableOffsetBitCount = 25;
 
   STATIC_ASSERT(kStubMajorKeyFirstBit + kStubMajorKeyBits <= 32);
   STATIC_ASSERT(kSafepointTableOffsetFirstBit +
                 kSafepointTableOffsetBitCount <= 32);
+  STATIC_ASSERT(1 + kStubMajorKeyBits +
+                kSafepointTableOffsetBitCount <= 32);
 
   class SafepointTableOffsetField: public BitField<int,
       kSafepointTableOffsetFirstBit,
       kSafepointTableOffsetBitCount> {};  // NOLINT
   class StubMajorKeyField: public BitField<int,
       kStubMajorKeyFirstBit, kStubMajorKeyBits> {};  // NOLINT
 
   // KindSpecificFlags2 layout (FUNCTION)
-  class BackEdgeTableOffsetField: public BitField<int, 0, 31> {};
-  class BackEdgesPatchedForOSRField: public BitField<bool, 31, 1> {};
+  class BackEdgeTableOffsetField: public BitField<int,
+      kIsCrankshaftedBit + 1, 29> {};  // NOLINT
+  class BackEdgesPatchedForOSRField: public BitField<bool,
+      kIsCrankshaftedBit + 1 + 29, 1> {};  // NOLINT
 
   // Signed field cannot be encoded using the BitField class.
   static const int kArgumentsCountShift = 17;
   static const int kArgumentsCountMask = ~((1 << kArgumentsCountShift) - 1);
   static const int kArgumentsBits =
       PlatformSmiTagging::kSmiValueSize - Code::kArgumentsCountShift + 1;
   static const int kMaxArguments = (1 << kArgumentsBits) - 1;
 
   // This constant should be encodable in an ARM instruction.
   static const int kFlagsNotUsedInLookup =
@@ skipping 4575 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_