[ic] Support data handlers that represent transitioning stores.

src/code-stub-assembler.h

 // Copyright 2016 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_CODE_STUB_ASSEMBLER_H_
 #define V8_CODE_STUB_ASSEMBLER_H_
 
 #include <functional>
 
 #include "src/compiler/code-assembler.h"
 #include "src/globals.h"
 #include "src/objects.h"
 
 namespace v8 {
 namespace internal {
 
 class CallInterfaceDescriptor;
 class StatsCounter;
 class StubCache;
 
 enum class PrimitiveType { kBoolean, kNumber, kString, kSymbol };
 
 enum class IterationKind { kKeys, kValues, kEntries };
 
 #define HEAP_CONSTANT_LIST(V)                 \
   V(BooleanMap, BooleanMap)                   \
+  V(CodeMap, CodeMap)                         \
   V(empty_string, EmptyString)                \
   V(EmptyFixedArray, EmptyFixedArray)         \
   V(FalseValue, False)                        \
   V(FixedArrayMap, FixedArrayMap)             \
   V(FixedCOWArrayMap, FixedCOWArrayMap)       \
   V(FixedDoubleArrayMap, FixedDoubleArrayMap) \
   V(HeapNumberMap, HeapNumberMap)             \
   V(MinusZeroValue, MinusZero)                \
   V(NanValue, Nan)                            \
   V(NullValue, Null)                          \
@@ skipping 1108 matching lines @@
                                 compiler::Node* handler, Variable* var_holder,
                                 Variable* var_smi_handler,
                                 Label* if_smi_handler, Label* miss);
 
   void CheckPrototype(compiler::Node* prototype_cell, compiler::Node* name,
                       Label* miss);
 
   void NameDictionaryNegativeLookup(compiler::Node* object,
                                     compiler::Node* name, Label* miss);
 
+  // If |transition| is nullptr then the normal field store is generated or
+  // transitioning store otherwise.
   void HandleStoreFieldAndReturn(compiler::Node* handler_word,
                                  compiler::Node* holder,
                                  Representation representation,
                                  compiler::Node* value,
-                                 bool transition_to_field, Label* miss);
+                                 compiler::Node* transition, Label* miss);
 
+  // If |transition| is nullptr then the normal field store is generated or
+  // transitioning store otherwise.
   void HandleStoreICSmiHandlerCase(compiler::Node* handler_word,
                                    compiler::Node* holder,
                                    compiler::Node* value,
-                                   bool transition_to_field, Label* miss);
+                                   compiler::Node* transition, Label* miss);
+
+  void HandleStoreICProtoHandler(const StoreICParameters* p,
+                                 compiler::Node* handler, Label* miss);
 
   compiler::Node* TryToIntptr(compiler::Node* key, Label* miss);
   void EmitFastElementsBoundsCheck(compiler::Node* object,
                                    compiler::Node* elements,
                                    compiler::Node* intptr_index,
                                    compiler::Node* is_jsarray_condition,
                                    Label* miss);
   void EmitElementLoad(compiler::Node* object, compiler::Node* elements,
                        compiler::Node* elements_kind, compiler::Node* key,
                        compiler::Node* is_jsarray_condition, Label* if_hole,
@@ skipping 104 matching lines @@
   }
 #else
 #define CSA_SLOW_ASSERT(csa, x) ((void)0)
 #endif
 
 DEFINE_OPERATORS_FOR_FLAGS(CodeStubAssembler::AllocationFlags);
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_CODE_STUB_ASSEMBLER_H_