| Index: src/code-stub-assembler.h
 | 
| diff --git a/src/code-stub-assembler.h b/src/code-stub-assembler.h
 | 
| index c776e303d1d119dd2073455462c0becfb839b601..4c77ea2ebb7cf3612a2a07c1357fb4325ecedf45 100644
 | 
| --- a/src/code-stub-assembler.h
 | 
| +++ b/src/code-stub-assembler.h
 | 
| @@ -46,8 +46,6 @@
 | 
|  // from a compiler directory OWNER).
 | 
|  class V8_EXPORT_PRIVATE CodeStubAssembler : public compiler::CodeAssembler {
 | 
|   public:
 | 
| -  typedef compiler::Node Node;
 | 
| -
 | 
|    CodeStubAssembler(compiler::CodeAssemblerState* state)
 | 
|        : compiler::CodeAssembler(state) {}
 | 
|  
 | 
| @@ -73,225 +71,242 @@
 | 
|      return Is64() ? INTPTR_PARAMETERS : SMI_PARAMETERS;
 | 
|    }
 | 
|  
 | 
| -  Node* UntagParameter(Node* value, ParameterMode mode) {
 | 
| +  compiler::Node* UntagParameter(compiler::Node* value, ParameterMode mode) {
 | 
|      if (mode != SMI_PARAMETERS) value = SmiUntag(value);
 | 
|      return value;
 | 
|    }
 | 
|  
 | 
| -  Node* TagParameter(Node* value, ParameterMode mode) {
 | 
| +  compiler::Node* TagParameter(compiler::Node* value, ParameterMode mode) {
 | 
|      if (mode != SMI_PARAMETERS) value = SmiTag(value);
 | 
|      return value;
 | 
|    }
 | 
|  
 | 
| -  Node* NoContextConstant();
 | 
| -#define HEAP_CONSTANT_ACCESSOR(rootName, name) Node* name##Constant();
 | 
| +  compiler::Node* NoContextConstant();
 | 
| +#define HEAP_CONSTANT_ACCESSOR(rootName, name) compiler::Node* name##Constant();
 | 
|    HEAP_CONSTANT_LIST(HEAP_CONSTANT_ACCESSOR)
 | 
|  #undef HEAP_CONSTANT_ACCESSOR
 | 
|  
 | 
| -#define HEAP_CONSTANT_TEST(rootName, name) Node* Is##name(Node* value);
 | 
| +#define HEAP_CONSTANT_TEST(rootName, name) \
 | 
| +  compiler::Node* Is##name(compiler::Node* value);
 | 
|    HEAP_CONSTANT_LIST(HEAP_CONSTANT_TEST)
 | 
|  #undef HEAP_CONSTANT_TEST
 | 
|  
 | 
| -  Node* HashSeed();
 | 
| -  Node* StaleRegisterConstant();
 | 
| -
 | 
| -  Node* IntPtrOrSmiConstant(int value, ParameterMode mode);
 | 
| -
 | 
| -  Node* IntPtrAddFoldConstants(Node* left, Node* right);
 | 
| -  Node* IntPtrSubFoldConstants(Node* left, Node* right);
 | 
| +  compiler::Node* HashSeed();
 | 
| +  compiler::Node* StaleRegisterConstant();
 | 
| +
 | 
| +  compiler::Node* IntPtrOrSmiConstant(int value, ParameterMode mode);
 | 
| +
 | 
| +  compiler::Node* IntPtrAddFoldConstants(compiler::Node* left,
 | 
| +                                         compiler::Node* right);
 | 
| +  compiler::Node* IntPtrSubFoldConstants(compiler::Node* left,
 | 
| +                                         compiler::Node* right);
 | 
|    // Round the 32bits payload of the provided word up to the next power of two.
 | 
| -  Node* IntPtrRoundUpToPowerOfTwo32(Node* value);
 | 
| -  Node* IntPtrMax(Node* left, Node* right);
 | 
| +  compiler::Node* IntPtrRoundUpToPowerOfTwo32(compiler::Node* value);
 | 
| +  compiler::Node* IntPtrMax(compiler::Node* left, compiler::Node* right);
 | 
|  
 | 
|    // Float64 operations.
 | 
| -  Node* Float64Ceil(Node* x);
 | 
| -  Node* Float64Floor(Node* x);
 | 
| -  Node* Float64Round(Node* x);
 | 
| -  Node* Float64Trunc(Node* x);
 | 
| +  compiler::Node* Float64Ceil(compiler::Node* x);
 | 
| +  compiler::Node* Float64Floor(compiler::Node* x);
 | 
| +  compiler::Node* Float64Round(compiler::Node* x);
 | 
| +  compiler::Node* Float64Trunc(compiler::Node* x);
 | 
|  
 | 
|    // Tag a Word as a Smi value.
 | 
| -  Node* SmiTag(Node* value);
 | 
| +  compiler::Node* SmiTag(compiler::Node* value);
 | 
|    // Untag a Smi value as a Word.
 | 
| -  Node* SmiUntag(Node* value);
 | 
| +  compiler::Node* SmiUntag(compiler::Node* value);
 | 
|  
 | 
|    // Smi conversions.
 | 
| -  Node* SmiToFloat64(Node* value);
 | 
| -  Node* SmiFromWord(Node* value) { return SmiTag(value); }
 | 
| -  Node* SmiFromWord32(Node* value);
 | 
| -  Node* SmiToWord(Node* value) { return SmiUntag(value); }
 | 
| -  Node* SmiToWord32(Node* value);
 | 
| +  compiler::Node* SmiToFloat64(compiler::Node* value);
 | 
| +  compiler::Node* SmiFromWord(compiler::Node* value) { return SmiTag(value); }
 | 
| +  compiler::Node* SmiFromWord32(compiler::Node* value);
 | 
| +  compiler::Node* SmiToWord(compiler::Node* value) { return SmiUntag(value); }
 | 
| +  compiler::Node* SmiToWord32(compiler::Node* value);
 | 
|  
 | 
|    // Smi operations.
 | 
| -  Node* SmiAdd(Node* a, Node* b);
 | 
| -  Node* SmiSub(Node* a, Node* b);
 | 
| -  Node* SmiEqual(Node* a, Node* b);
 | 
| -  Node* SmiAbove(Node* a, Node* b);
 | 
| -  Node* SmiAboveOrEqual(Node* a, Node* b);
 | 
| -  Node* SmiBelow(Node* a, Node* b);
 | 
| -  Node* SmiLessThan(Node* a, Node* b);
 | 
| -  Node* SmiLessThanOrEqual(Node* a, Node* b);
 | 
| -  Node* SmiMax(Node* a, Node* b);
 | 
| -  Node* SmiMin(Node* a, Node* b);
 | 
| +  compiler::Node* SmiAdd(compiler::Node* a, compiler::Node* b);
 | 
| +  compiler::Node* SmiSub(compiler::Node* a, compiler::Node* b);
 | 
| +  compiler::Node* SmiEqual(compiler::Node* a, compiler::Node* b);
 | 
| +  compiler::Node* SmiAbove(compiler::Node* a, compiler::Node* b);
 | 
| +  compiler::Node* SmiAboveOrEqual(compiler::Node* a, compiler::Node* b);
 | 
| +  compiler::Node* SmiBelow(compiler::Node* a, compiler::Node* b);
 | 
| +  compiler::Node* SmiLessThan(compiler::Node* a, compiler::Node* b);
 | 
| +  compiler::Node* SmiLessThanOrEqual(compiler::Node* a, compiler::Node* b);
 | 
| +  compiler::Node* SmiMax(compiler::Node* a, compiler::Node* b);
 | 
| +  compiler::Node* SmiMin(compiler::Node* a, compiler::Node* b);
 | 
|    // Computes a % b for Smi inputs a and b; result is not necessarily a Smi.
 | 
| -  Node* SmiMod(Node* a, Node* b);
 | 
| +  compiler::Node* SmiMod(compiler::Node* a, compiler::Node* b);
 | 
|    // Computes a * b for Smi inputs a and b; result is not necessarily a Smi.
 | 
| -  Node* SmiMul(Node* a, Node* b);
 | 
| -  Node* SmiOr(Node* a, Node* b) {
 | 
| +  compiler::Node* SmiMul(compiler::Node* a, compiler::Node* b);
 | 
| +  compiler::Node* SmiOr(compiler::Node* a, compiler::Node* b) {
 | 
|      return BitcastWordToTaggedSigned(
 | 
|          WordOr(BitcastTaggedToWord(a), BitcastTaggedToWord(b)));
 | 
|    }
 | 
|  
 | 
|    // Smi | HeapNumber operations.
 | 
| -  Node* NumberInc(Node* value);
 | 
| +  compiler::Node* NumberInc(compiler::Node* value);
 | 
|  
 | 
|    // Allocate an object of the given size.
 | 
| -  Node* Allocate(Node* size, AllocationFlags flags = kNone);
 | 
| -  Node* Allocate(int size, AllocationFlags flags = kNone);
 | 
| -  Node* InnerAllocate(Node* previous, int offset);
 | 
| -  Node* InnerAllocate(Node* previous, Node* offset);
 | 
| -  Node* IsRegularHeapObjectSize(Node* size);
 | 
| -
 | 
| -  typedef std::function<Node*()> ConditionBody;
 | 
| +  compiler::Node* Allocate(compiler::Node* size, AllocationFlags flags = kNone);
 | 
| +  compiler::Node* Allocate(int size, AllocationFlags flags = kNone);
 | 
| +  compiler::Node* InnerAllocate(compiler::Node* previous, int offset);
 | 
| +  compiler::Node* InnerAllocate(compiler::Node* previous,
 | 
| +                                compiler::Node* offset);
 | 
| +  compiler::Node* IsRegularHeapObjectSize(compiler::Node* size);
 | 
| +
 | 
| +  typedef std::function<compiler::Node*()> ConditionBody;
 | 
|    void Assert(ConditionBody condition_body, const char* string = nullptr,
 | 
|                const char* file = nullptr, int line = 0);
 | 
|  
 | 
|    // Check a value for smi-ness
 | 
| -  Node* TaggedIsSmi(Node* a);
 | 
| +  compiler::Node* TaggedIsSmi(compiler::Node* a);
 | 
|    // Check that the value is a non-negative smi.
 | 
| -  Node* WordIsPositiveSmi(Node* a);
 | 
| +  compiler::Node* WordIsPositiveSmi(compiler::Node* a);
 | 
|    // Check that a word has a word-aligned address.
 | 
| -  Node* WordIsWordAligned(Node* word);
 | 
| -  Node* WordIsPowerOfTwo(Node* value);
 | 
| -
 | 
| -  void BranchIfSmiEqual(Node* a, Node* b, Label* if_true, Label* if_false) {
 | 
| +  compiler::Node* WordIsWordAligned(compiler::Node* word);
 | 
| +  compiler::Node* WordIsPowerOfTwo(compiler::Node* value);
 | 
| +
 | 
| +  void BranchIfSmiEqual(compiler::Node* a, compiler::Node* b, Label* if_true,
 | 
| +                        Label* if_false) {
 | 
|      Branch(SmiEqual(a, b), if_true, if_false);
 | 
|    }
 | 
|  
 | 
| -  void BranchIfSmiLessThan(Node* a, Node* b, Label* if_true, Label* if_false) {
 | 
| +  void BranchIfSmiLessThan(compiler::Node* a, compiler::Node* b, Label* if_true,
 | 
| +                           Label* if_false) {
 | 
|      Branch(SmiLessThan(a, b), if_true, if_false);
 | 
|    }
 | 
|  
 | 
| -  void BranchIfSmiLessThanOrEqual(Node* a, Node* b, Label* if_true,
 | 
| -                                  Label* if_false) {
 | 
| +  void BranchIfSmiLessThanOrEqual(compiler::Node* a, compiler::Node* b,
 | 
| +                                  Label* if_true, Label* if_false) {
 | 
|      Branch(SmiLessThanOrEqual(a, b), if_true, if_false);
 | 
|    }
 | 
|  
 | 
| -  void BranchIfFloat64IsNaN(Node* value, Label* if_true, Label* if_false) {
 | 
| +  void BranchIfFloat64IsNaN(compiler::Node* value, Label* if_true,
 | 
| +                            Label* if_false) {
 | 
|      Branch(Float64Equal(value, value), if_false, if_true);
 | 
|    }
 | 
|  
 | 
|    // Branches to {if_true} if ToBoolean applied to {value} yields true,
 | 
|    // otherwise goes to {if_false}.
 | 
| -  void BranchIfToBooleanIsTrue(Node* value, Label* if_true, Label* if_false);
 | 
| -
 | 
| -  void BranchIfSimd128Equal(Node* lhs, Node* lhs_map, Node* rhs, Node* rhs_map,
 | 
| +  void BranchIfToBooleanIsTrue(compiler::Node* value, Label* if_true,
 | 
| +                               Label* if_false);
 | 
| +
 | 
| +  void BranchIfSimd128Equal(compiler::Node* lhs, compiler::Node* lhs_map,
 | 
| +                            compiler::Node* rhs, compiler::Node* rhs_map,
 | 
|                              Label* if_equal, Label* if_notequal);
 | 
| -  void BranchIfSimd128Equal(Node* lhs, Node* rhs, Label* if_equal,
 | 
| -                            Label* if_notequal) {
 | 
| +  void BranchIfSimd128Equal(compiler::Node* lhs, compiler::Node* rhs,
 | 
| +                            Label* if_equal, Label* if_notequal) {
 | 
|      BranchIfSimd128Equal(lhs, LoadMap(lhs), rhs, LoadMap(rhs), if_equal,
 | 
|                           if_notequal);
 | 
|    }
 | 
|  
 | 
| -  void BranchIfJSReceiver(Node* object, Label* if_true, Label* if_false);
 | 
| -  void BranchIfJSObject(Node* object, Label* if_true, Label* if_false);
 | 
| -  void BranchIfFastJSArray(Node* object, Node* context, Label* if_true,
 | 
| -                           Label* if_false);
 | 
| +  void BranchIfJSReceiver(compiler::Node* object, Label* if_true,
 | 
| +                          Label* if_false);
 | 
| +  void BranchIfJSObject(compiler::Node* object, Label* if_true,
 | 
| +                        Label* if_false);
 | 
| +  void BranchIfFastJSArray(compiler::Node* object, compiler::Node* context,
 | 
| +                           Label* if_true, Label* if_false);
 | 
|  
 | 
|    // Load value from current frame by given offset in bytes.
 | 
| -  Node* LoadFromFrame(int offset, MachineType rep = MachineType::AnyTagged());
 | 
| +  compiler::Node* LoadFromFrame(int offset,
 | 
| +                                MachineType rep = MachineType::AnyTagged());
 | 
|    // Load value from current parent frame by given offset in bytes.
 | 
| -  Node* LoadFromParentFrame(int offset,
 | 
| -                            MachineType rep = MachineType::AnyTagged());
 | 
| +  compiler::Node* LoadFromParentFrame(
 | 
| +      int offset, MachineType rep = MachineType::AnyTagged());
 | 
|  
 | 
|    // Load an object pointer from a buffer that isn't in the heap.
 | 
| -  Node* LoadBufferObject(Node* buffer, int offset,
 | 
| -                         MachineType rep = MachineType::AnyTagged());
 | 
| +  compiler::Node* LoadBufferObject(compiler::Node* buffer, int offset,
 | 
| +                                   MachineType rep = MachineType::AnyTagged());
 | 
|    // Load a field from an object on the heap.
 | 
| -  Node* LoadObjectField(Node* object, int offset,
 | 
| -                        MachineType rep = MachineType::AnyTagged());
 | 
| -  Node* LoadObjectField(Node* object, Node* offset,
 | 
| -                        MachineType rep = MachineType::AnyTagged());
 | 
| +  compiler::Node* LoadObjectField(compiler::Node* object, int offset,
 | 
| +                                  MachineType rep = MachineType::AnyTagged());
 | 
| +  compiler::Node* LoadObjectField(compiler::Node* object,
 | 
| +                                  compiler::Node* offset,
 | 
| +                                  MachineType rep = MachineType::AnyTagged());
 | 
|    // Load a SMI field and untag it.
 | 
| -  Node* LoadAndUntagObjectField(Node* object, int offset);
 | 
| +  compiler::Node* LoadAndUntagObjectField(compiler::Node* object, int offset);
 | 
|    // Load a SMI field, untag it, and convert to Word32.
 | 
| -  Node* LoadAndUntagToWord32ObjectField(Node* object, int offset);
 | 
| +  compiler::Node* LoadAndUntagToWord32ObjectField(compiler::Node* object,
 | 
| +                                                  int offset);
 | 
|    // Load a SMI and untag it.
 | 
| -  Node* LoadAndUntagSmi(Node* base, int index);
 | 
| +  compiler::Node* LoadAndUntagSmi(compiler::Node* base, int index);
 | 
|    // Load a SMI root, untag it, and convert to Word32.
 | 
| -  Node* LoadAndUntagToWord32Root(Heap::RootListIndex root_index);
 | 
| +  compiler::Node* LoadAndUntagToWord32Root(Heap::RootListIndex root_index);
 | 
|  
 | 
|    // Load the floating point value of a HeapNumber.
 | 
| -  Node* LoadHeapNumberValue(Node* object);
 | 
| +  compiler::Node* LoadHeapNumberValue(compiler::Node* object);
 | 
|    // Load the Map of an HeapObject.
 | 
| -  Node* LoadMap(Node* object);
 | 
| +  compiler::Node* LoadMap(compiler::Node* object);
 | 
|    // Load the instance type of an HeapObject.
 | 
| -  Node* LoadInstanceType(Node* object);
 | 
| +  compiler::Node* LoadInstanceType(compiler::Node* object);
 | 
|    // Compare the instance the type of the object against the provided one.
 | 
| -  Node* HasInstanceType(Node* object, InstanceType type);
 | 
| +  compiler::Node* HasInstanceType(compiler::Node* object, InstanceType type);
 | 
|    // Load the properties backing store of a JSObject.
 | 
| -  Node* LoadProperties(Node* object);
 | 
| +  compiler::Node* LoadProperties(compiler::Node* object);
 | 
|    // Load the elements backing store of a JSObject.
 | 
| -  Node* LoadElements(Node* object);
 | 
| +  compiler::Node* LoadElements(compiler::Node* object);
 | 
|    // Load the length of a JSArray instance.
 | 
| -  Node* LoadJSArrayLength(Node* array);
 | 
| +  compiler::Node* LoadJSArrayLength(compiler::Node* array);
 | 
|    // Load the length of a fixed array base instance.
 | 
| -  Node* LoadFixedArrayBaseLength(Node* array);
 | 
| +  compiler::Node* LoadFixedArrayBaseLength(compiler::Node* array);
 | 
|    // Load the length of a fixed array base instance.
 | 
| -  Node* LoadAndUntagFixedArrayBaseLength(Node* array);
 | 
| +  compiler::Node* LoadAndUntagFixedArrayBaseLength(compiler::Node* array);
 | 
|    // Load the bit field of a Map.
 | 
| -  Node* LoadMapBitField(Node* map);
 | 
| +  compiler::Node* LoadMapBitField(compiler::Node* map);
 | 
|    // Load bit field 2 of a map.
 | 
| -  Node* LoadMapBitField2(Node* map);
 | 
| +  compiler::Node* LoadMapBitField2(compiler::Node* map);
 | 
|    // Load bit field 3 of a map.
 | 
| -  Node* LoadMapBitField3(Node* map);
 | 
| +  compiler::Node* LoadMapBitField3(compiler::Node* map);
 | 
|    // Load the instance type of a map.
 | 
| -  Node* LoadMapInstanceType(Node* map);
 | 
| +  compiler::Node* LoadMapInstanceType(compiler::Node* map);
 | 
|    // Load the ElementsKind of a map.
 | 
| -  Node* LoadMapElementsKind(Node* map);
 | 
| +  compiler::Node* LoadMapElementsKind(compiler::Node* map);
 | 
|    // Load the instance descriptors of a map.
 | 
| -  Node* LoadMapDescriptors(Node* map);
 | 
| +  compiler::Node* LoadMapDescriptors(compiler::Node* map);
 | 
|    // Load the prototype of a map.
 | 
| -  Node* LoadMapPrototype(Node* map);
 | 
| +  compiler::Node* LoadMapPrototype(compiler::Node* map);
 | 
|    // Load the prototype info of a map. The result has to be checked if it is a
 | 
|    // prototype info object or not.
 | 
| -  Node* LoadMapPrototypeInfo(Node* map, Label* if_has_no_proto_info);
 | 
| +  compiler::Node* LoadMapPrototypeInfo(compiler::Node* map,
 | 
| +                                       Label* if_has_no_proto_info);
 | 
|    // Load the instance size of a Map.
 | 
| -  Node* LoadMapInstanceSize(Node* map);
 | 
| +  compiler::Node* LoadMapInstanceSize(compiler::Node* map);
 | 
|    // Load the inobject properties count of a Map (valid only for JSObjects).
 | 
| -  Node* LoadMapInobjectProperties(Node* map);
 | 
| +  compiler::Node* LoadMapInobjectProperties(compiler::Node* map);
 | 
|    // Load the constructor function index of a Map (only for primitive maps).
 | 
| -  Node* LoadMapConstructorFunctionIndex(Node* map);
 | 
| +  compiler::Node* LoadMapConstructorFunctionIndex(compiler::Node* map);
 | 
|    // Load the constructor of a Map (equivalent to Map::GetConstructor()).
 | 
| -  Node* LoadMapConstructor(Node* map);
 | 
| +  compiler::Node* LoadMapConstructor(compiler::Node* map);
 | 
|    // Check if the map is set for slow properties.
 | 
| -  Node* IsDictionaryMap(Node* map);
 | 
| +  compiler::Node* IsDictionaryMap(compiler::Node* map);
 | 
|  
 | 
|    // Load the hash field of a name as an uint32 value.
 | 
| -  Node* LoadNameHashField(Node* name);
 | 
| +  compiler::Node* LoadNameHashField(compiler::Node* name);
 | 
|    // Load the hash value of a name as an uint32 value.
 | 
|    // If {if_hash_not_computed} label is specified then it also checks if
 | 
|    // hash is actually computed.
 | 
| -  Node* LoadNameHash(Node* name, Label* if_hash_not_computed = nullptr);
 | 
| +  compiler::Node* LoadNameHash(compiler::Node* name,
 | 
| +                               Label* if_hash_not_computed = nullptr);
 | 
|  
 | 
|    // Load length field of a String object.
 | 
| -  Node* LoadStringLength(Node* object);
 | 
| +  compiler::Node* LoadStringLength(compiler::Node* object);
 | 
|    // Load value field of a JSValue object.
 | 
| -  Node* LoadJSValueValue(Node* object);
 | 
| +  compiler::Node* LoadJSValueValue(compiler::Node* object);
 | 
|    // Load value field of a WeakCell object.
 | 
| -  Node* LoadWeakCellValueUnchecked(Node* weak_cell);
 | 
| -  Node* LoadWeakCellValue(Node* weak_cell, Label* if_cleared = nullptr);
 | 
| +  compiler::Node* LoadWeakCellValueUnchecked(compiler::Node* weak_cell);
 | 
| +  compiler::Node* LoadWeakCellValue(compiler::Node* weak_cell,
 | 
| +                                    Label* if_cleared = nullptr);
 | 
|  
 | 
|    // Load an array element from a FixedArray.
 | 
| -  Node* LoadFixedArrayElement(
 | 
| -      Node* object, Node* index, int additional_offset = 0,
 | 
| +  compiler::Node* LoadFixedArrayElement(
 | 
| +      compiler::Node* object, compiler::Node* index, int additional_offset = 0,
 | 
|        ParameterMode parameter_mode = INTEGER_PARAMETERS);
 | 
|    // Load an array element from a FixedArray, untag it and return it as Word32.
 | 
| -  Node* LoadAndUntagToWord32FixedArrayElement(
 | 
| -      Node* object, Node* index, int additional_offset = 0,
 | 
| +  compiler::Node* LoadAndUntagToWord32FixedArrayElement(
 | 
| +      compiler::Node* object, compiler::Node* index, int additional_offset = 0,
 | 
|        ParameterMode parameter_mode = INTEGER_PARAMETERS);
 | 
|    // Load an array element from a FixedDoubleArray.
 | 
| -  Node* LoadFixedDoubleArrayElement(
 | 
| -      Node* object, Node* index, MachineType machine_type,
 | 
| +  compiler::Node* LoadFixedDoubleArrayElement(
 | 
| +      compiler::Node* object, compiler::Node* index, MachineType machine_type,
 | 
|        int additional_offset = 0,
 | 
|        ParameterMode parameter_mode = INTEGER_PARAMETERS,
 | 
|        Label* if_hole = nullptr);
 | 
| @@ -299,152 +314,191 @@
 | 
|    // Load Float64 value by |base| + |offset| address. If the value is a double
 | 
|    // hole then jump to |if_hole|. If |machine_type| is None then only the hole
 | 
|    // check is generated.
 | 
| -  Node* LoadDoubleWithHoleCheck(
 | 
| -      Node* base, Node* offset, Label* if_hole,
 | 
| +  compiler::Node* LoadDoubleWithHoleCheck(
 | 
| +      compiler::Node* base, compiler::Node* offset, Label* if_hole,
 | 
|        MachineType machine_type = MachineType::Float64());
 | 
| -  Node* LoadFixedTypedArrayElement(
 | 
| -      Node* data_pointer, Node* index_node, ElementsKind elements_kind,
 | 
| +  compiler::Node* LoadFixedTypedArrayElement(
 | 
| +      compiler::Node* data_pointer, compiler::Node* index_node,
 | 
| +      ElementsKind elements_kind,
 | 
|        ParameterMode parameter_mode = INTEGER_PARAMETERS);
 | 
|  
 | 
|    // Context manipulation
 | 
| -  Node* LoadContextElement(Node* context, int slot_index);
 | 
| -  Node* LoadContextElement(Node* context, Node* slot_index);
 | 
| -  Node* StoreContextElement(Node* context, int slot_index, Node* value);
 | 
| -  Node* StoreContextElement(Node* context, Node* slot_index, Node* value);
 | 
| -  Node* LoadNativeContext(Node* context);
 | 
| -
 | 
| -  Node* LoadJSArrayElementsMap(ElementsKind kind, Node* native_context);
 | 
| +  compiler::Node* LoadContextElement(compiler::Node* context, int slot_index);
 | 
| +  compiler::Node* LoadContextElement(compiler::Node* context,
 | 
| +                                     compiler::Node* slot_index);
 | 
| +  compiler::Node* StoreContextElement(compiler::Node* context, int slot_index,
 | 
| +                                      compiler::Node* value);
 | 
| +  compiler::Node* StoreContextElement(compiler::Node* context,
 | 
| +                                      compiler::Node* slot_index,
 | 
| +                                      compiler::Node* value);
 | 
| +  compiler::Node* LoadNativeContext(compiler::Node* context);
 | 
| +
 | 
| +  compiler::Node* LoadJSArrayElementsMap(ElementsKind kind,
 | 
| +                                         compiler::Node* native_context);
 | 
|  
 | 
|    // Store the floating point value of a HeapNumber.
 | 
| -  Node* StoreHeapNumberValue(Node* object, Node* value);
 | 
| +  compiler::Node* StoreHeapNumberValue(compiler::Node* object,
 | 
| +                                       compiler::Node* value);
 | 
|    // Store a field to an object on the heap.
 | 
| -  Node* StoreObjectField(Node* object, int offset, Node* value);
 | 
| -  Node* StoreObjectField(Node* object, Node* offset, Node* value);
 | 
| -  Node* StoreObjectFieldNoWriteBarrier(
 | 
| -      Node* object, int offset, Node* value,
 | 
| +  compiler::Node* StoreObjectField(
 | 
| +      compiler::Node* object, int offset, compiler::Node* value);
 | 
| +  compiler::Node* StoreObjectField(compiler::Node* object,
 | 
| +                                   compiler::Node* offset,
 | 
| +                                   compiler::Node* value);
 | 
| +  compiler::Node* StoreObjectFieldNoWriteBarrier(
 | 
| +      compiler::Node* object, int offset, compiler::Node* value,
 | 
|        MachineRepresentation rep = MachineRepresentation::kTagged);
 | 
| -  Node* StoreObjectFieldNoWriteBarrier(
 | 
| -      Node* object, Node* offset, Node* value,
 | 
| +  compiler::Node* StoreObjectFieldNoWriteBarrier(
 | 
| +      compiler::Node* object, compiler::Node* offset, compiler::Node* value,
 | 
|        MachineRepresentation rep = MachineRepresentation::kTagged);
 | 
|    // Store the Map of an HeapObject.
 | 
| -  Node* StoreMapNoWriteBarrier(Node* object, Node* map);
 | 
| -  Node* StoreObjectFieldRoot(Node* object, int offset,
 | 
| -                             Heap::RootListIndex root);
 | 
| +  compiler::Node* StoreMapNoWriteBarrier(compiler::Node* object,
 | 
| +                                         compiler::Node* map);
 | 
| +  compiler::Node* StoreObjectFieldRoot(compiler::Node* object, int offset,
 | 
| +                                       Heap::RootListIndex root);
 | 
|    // Store an array element to a FixedArray.
 | 
| -  Node* StoreFixedArrayElement(
 | 
| -      Node* object, int index, Node* value,
 | 
| +  compiler::Node* StoreFixedArrayElement(
 | 
| +      compiler::Node* object, int index, compiler::Node* value,
 | 
|        WriteBarrierMode barrier_mode = UPDATE_WRITE_BARRIER) {
 | 
|      return StoreFixedArrayElement(object, IntPtrConstant(index), value,
 | 
|                                    barrier_mode, 0, INTPTR_PARAMETERS);
 | 
|    }
 | 
|  
 | 
| -  Node* StoreFixedArrayElement(
 | 
| -      Node* object, Node* index, Node* value,
 | 
| +  compiler::Node* StoreFixedArrayElement(
 | 
| +      compiler::Node* object, compiler::Node* index, compiler::Node* value,
 | 
|        WriteBarrierMode barrier_mode = UPDATE_WRITE_BARRIER,
 | 
|        int additional_offset = 0,
 | 
|        ParameterMode parameter_mode = INTEGER_PARAMETERS);
 | 
|  
 | 
| -  Node* StoreFixedDoubleArrayElement(
 | 
| -      Node* object, Node* index, Node* value,
 | 
| +  compiler::Node* StoreFixedDoubleArrayElement(
 | 
| +      compiler::Node* object, compiler::Node* index, compiler::Node* value,
 | 
|        ParameterMode parameter_mode = INTEGER_PARAMETERS);
 | 
|  
 | 
| -  void StoreFieldsNoWriteBarrier(Node* start_address, Node* end_address,
 | 
| -                                 Node* value);
 | 
| +  void StoreFieldsNoWriteBarrier(compiler::Node* start_address,
 | 
| +                                 compiler::Node* end_address,
 | 
| +                                 compiler::Node* value);
 | 
|  
 | 
|    // Allocate a HeapNumber without initializing its value.
 | 
| -  Node* AllocateHeapNumber(MutableMode mode = IMMUTABLE);
 | 
| +  compiler::Node* AllocateHeapNumber(MutableMode mode = IMMUTABLE);
 | 
|    // Allocate a HeapNumber with a specific value.
 | 
| -  Node* AllocateHeapNumberWithValue(Node* value, MutableMode mode = IMMUTABLE);
 | 
| +  compiler::Node* AllocateHeapNumberWithValue(compiler::Node* value,
 | 
| +                                              MutableMode mode = IMMUTABLE);
 | 
|    // Allocate a SeqOneByteString with the given length.
 | 
| -  Node* AllocateSeqOneByteString(int length, AllocationFlags flags = kNone);
 | 
| -  Node* AllocateSeqOneByteString(Node* context, Node* length,
 | 
| -                                 ParameterMode mode = INTPTR_PARAMETERS,
 | 
| -                                 AllocationFlags flags = kNone);
 | 
| +  compiler::Node* AllocateSeqOneByteString(int length,
 | 
| +                                           AllocationFlags flags = kNone);
 | 
| +  compiler::Node* AllocateSeqOneByteString(
 | 
| +      compiler::Node* context, compiler::Node* length,
 | 
| +      ParameterMode mode = INTPTR_PARAMETERS, AllocationFlags flags = kNone);
 | 
|    // Allocate a SeqTwoByteString with the given length.
 | 
| -  Node* AllocateSeqTwoByteString(int length, AllocationFlags flags = kNone);
 | 
| -  Node* AllocateSeqTwoByteString(Node* context, Node* length,
 | 
| -                                 ParameterMode mode = INTPTR_PARAMETERS,
 | 
| -                                 AllocationFlags flags = kNone);
 | 
| +  compiler::Node* AllocateSeqTwoByteString(int length,
 | 
| +                                           AllocationFlags flags = kNone);
 | 
| +  compiler::Node* AllocateSeqTwoByteString(
 | 
| +      compiler::Node* context, compiler::Node* length,
 | 
| +      ParameterMode mode = INTPTR_PARAMETERS, AllocationFlags flags = kNone);
 | 
|  
 | 
|    // Allocate a SlicedOneByteString with the given length, parent and offset.
 | 
|    // |length| and |offset| are expected to be tagged.
 | 
| -  Node* AllocateSlicedOneByteString(Node* length, Node* parent, Node* offset);
 | 
| +  compiler::Node* AllocateSlicedOneByteString(compiler::Node* length,
 | 
| +                                              compiler::Node* parent,
 | 
| +                                              compiler::Node* offset);
 | 
|    // Allocate a SlicedTwoByteString with the given length, parent and offset.
 | 
|    // |length| and |offset| are expected to be tagged.
 | 
| -  Node* AllocateSlicedTwoByteString(Node* length, Node* parent, Node* offset);
 | 
| +  compiler::Node* AllocateSlicedTwoByteString(compiler::Node* length,
 | 
| +                                              compiler::Node* parent,
 | 
| +                                              compiler::Node* offset);
 | 
|  
 | 
|    // Allocate a one-byte ConsString with the given length, first and second
 | 
|    // parts. |length| is expected to be tagged, and |first| and |second| are
 | 
|    // expected to be one-byte strings.
 | 
| -  Node* AllocateOneByteConsString(Node* length, Node* first, Node* second,
 | 
| -                                  AllocationFlags flags = kNone);
 | 
| +  compiler::Node* AllocateOneByteConsString(compiler::Node* length,
 | 
| +                                            compiler::Node* first,
 | 
| +                                            compiler::Node* second,
 | 
| +                                            AllocationFlags flags = kNone);
 | 
|    // Allocate a two-byte ConsString with the given length, first and second
 | 
|    // parts. |length| is expected to be tagged, and |first| and |second| are
 | 
|    // expected to be two-byte strings.
 | 
| -  Node* AllocateTwoByteConsString(Node* length, Node* first, Node* second,
 | 
| -                                  AllocationFlags flags = kNone);
 | 
| +  compiler::Node* AllocateTwoByteConsString(compiler::Node* length,
 | 
| +                                            compiler::Node* first,
 | 
| +                                            compiler::Node* second,
 | 
| +                                            AllocationFlags flags = kNone);
 | 
|  
 | 
|    // Allocate an appropriate one- or two-byte ConsString with the first and
 | 
|    // second parts specified by |first| and |second|.
 | 
| -  Node* NewConsString(Node* context, Node* length, Node* left, Node* right,
 | 
| -                      AllocationFlags flags = kNone);
 | 
| +  compiler::Node* NewConsString(compiler::Node* context, compiler::Node* length,
 | 
| +                                compiler::Node* left, compiler::Node* right,
 | 
| +                                AllocationFlags flags = kNone);
 | 
|  
 | 
|    // Allocate a RegExpResult with the given length (the number of captures,
 | 
|    // including the match itself), index (the index where the match starts),
 | 
|    // and input string. |length| and |index| are expected to be tagged, and
 | 
|    // |input| must be a string.
 | 
| -  Node* AllocateRegExpResult(Node* context, Node* length, Node* index,
 | 
| -                             Node* input);
 | 
| -
 | 
| -  Node* AllocateNameDictionary(int capacity);
 | 
| -  Node* AllocateNameDictionary(Node* capacity);
 | 
| -
 | 
| -  Node* AllocateJSObjectFromMap(Node* map, Node* properties = nullptr,
 | 
| -                                Node* elements = nullptr);
 | 
| -
 | 
| -  void InitializeJSObjectFromMap(Node* object, Node* map, Node* size,
 | 
| -                                 Node* properties = nullptr,
 | 
| -                                 Node* elements = nullptr);
 | 
| -
 | 
| -  void InitializeJSObjectBody(Node* object, Node* map, Node* size,
 | 
| +  compiler::Node* AllocateRegExpResult(compiler::Node* context,
 | 
| +                                       compiler::Node* length,
 | 
| +                                       compiler::Node* index,
 | 
| +                                       compiler::Node* input);
 | 
| +
 | 
| +  compiler::Node* AllocateNameDictionary(int capacity);
 | 
| +  compiler::Node* AllocateNameDictionary(compiler::Node* capacity);
 | 
| +
 | 
| +  compiler::Node* AllocateJSObjectFromMap(compiler::Node* map,
 | 
| +                                          compiler::Node* properties = nullptr,
 | 
| +                                          compiler::Node* elements = nullptr);
 | 
| +
 | 
| +  void InitializeJSObjectFromMap(compiler::Node* object, compiler::Node* map,
 | 
| +                                 compiler::Node* size,
 | 
| +                                 compiler::Node* properties = nullptr,
 | 
| +                                 compiler::Node* elements = nullptr);
 | 
| +
 | 
| +  void InitializeJSObjectBody(compiler::Node* object, compiler::Node* map,
 | 
| +                              compiler::Node* size,
 | 
|                                int start_offset = JSObject::kHeaderSize);
 | 
|  
 | 
|    // Allocate a JSArray without elements and initialize the header fields.
 | 
| -  Node* AllocateUninitializedJSArrayWithoutElements(ElementsKind kind,
 | 
| -                                                    Node* array_map,
 | 
| -                                                    Node* length,
 | 
| -                                                    Node* allocation_site);
 | 
| +  compiler::Node* AllocateUninitializedJSArrayWithoutElements(
 | 
| +      ElementsKind kind, compiler::Node* array_map, compiler::Node* length,
 | 
| +      compiler::Node* allocation_site);
 | 
|    // Allocate and return a JSArray with initialized header fields and its
 | 
|    // uninitialized elements.
 | 
|    // The ParameterMode argument is only used for the capacity parameter.
 | 
| -  std::pair<Node*, Node*> AllocateUninitializedJSArrayWithElements(
 | 
| -      ElementsKind kind, Node* array_map, Node* length, Node* allocation_site,
 | 
| -      Node* capacity, ParameterMode capacity_mode = INTEGER_PARAMETERS);
 | 
| +  std::pair<compiler::Node*, compiler::Node*>
 | 
| +  AllocateUninitializedJSArrayWithElements(
 | 
| +      ElementsKind kind, compiler::Node* array_map, compiler::Node* length,
 | 
| +      compiler::Node* allocation_site, compiler::Node* capacity,
 | 
| +      ParameterMode capacity_mode = INTEGER_PARAMETERS);
 | 
|    // Allocate a JSArray and fill elements with the hole.
 | 
|    // The ParameterMode argument is only used for the capacity parameter.
 | 
| -  Node* AllocateJSArray(ElementsKind kind, Node* array_map, Node* capacity,
 | 
| -                        Node* length, Node* allocation_site = nullptr,
 | 
| -                        ParameterMode capacity_mode = INTEGER_PARAMETERS);
 | 
| -
 | 
| -  Node* AllocateFixedArray(ElementsKind kind, Node* capacity,
 | 
| -                           ParameterMode mode = INTEGER_PARAMETERS,
 | 
| -                           AllocationFlags flags = kNone);
 | 
| +  compiler::Node* AllocateJSArray(
 | 
| +      ElementsKind kind, compiler::Node* array_map, compiler::Node* capacity,
 | 
| +      compiler::Node* length, compiler::Node* allocation_site = nullptr,
 | 
| +      ParameterMode capacity_mode = INTEGER_PARAMETERS);
 | 
| +
 | 
| +  compiler::Node* AllocateFixedArray(ElementsKind kind,
 | 
| +                                     compiler::Node* capacity,
 | 
| +                                     ParameterMode mode = INTEGER_PARAMETERS,
 | 
| +                                     AllocationFlags flags = kNone);
 | 
|  
 | 
|    // Perform CreateArrayIterator (ES6 #sec-createarrayiterator).
 | 
| -  Node* CreateArrayIterator(Node* array, Node* array_map, Node* array_type,
 | 
| -                            Node* context, IterationKind mode);
 | 
| -
 | 
| -  Node* AllocateJSArrayIterator(Node* array, Node* array_map, Node* map);
 | 
| -
 | 
| -  void FillFixedArrayWithValue(ElementsKind kind, Node* array, Node* from_index,
 | 
| -                               Node* to_index,
 | 
| +  compiler::Node* CreateArrayIterator(compiler::Node* array,
 | 
| +                                      compiler::Node* array_map,
 | 
| +                                      compiler::Node* array_type,
 | 
| +                                      compiler::Node* context,
 | 
| +                                      IterationKind mode);
 | 
| +
 | 
| +  compiler::Node* AllocateJSArrayIterator(compiler::Node* array,
 | 
| +                                          compiler::Node* array_map,
 | 
| +                                          compiler::Node* map);
 | 
| +
 | 
| +  void FillFixedArrayWithValue(ElementsKind kind, compiler::Node* array,
 | 
| +                               compiler::Node* from_index,
 | 
| +                               compiler::Node* to_index,
 | 
|                                 Heap::RootListIndex value_root_index,
 | 
|                                 ParameterMode mode = INTEGER_PARAMETERS);
 | 
|  
 | 
|    // Copies all elements from |from_array| of |length| size to
 | 
|    // |to_array| of the same size respecting the elements kind.
 | 
|    void CopyFixedArrayElements(
 | 
| -      ElementsKind kind, Node* from_array, Node* to_array, Node* length,
 | 
| +      ElementsKind kind, compiler::Node* from_array, compiler::Node* to_array,
 | 
| +      compiler::Node* length,
 | 
|        WriteBarrierMode barrier_mode = UPDATE_WRITE_BARRIER,
 | 
|        ParameterMode mode = INTEGER_PARAMETERS) {
 | 
|      CopyFixedArrayElements(kind, from_array, kind, to_array, length, length,
 | 
| @@ -454,8 +508,9 @@
 | 
|    // Copies |element_count| elements from |from_array| to |to_array| of
 | 
|    // |capacity| size respecting both array's elements kinds.
 | 
|    void CopyFixedArrayElements(
 | 
| -      ElementsKind from_kind, Node* from_array, ElementsKind to_kind,
 | 
| -      Node* to_array, Node* element_count, Node* capacity,
 | 
| +      ElementsKind from_kind, compiler::Node* from_array, ElementsKind to_kind,
 | 
| +      compiler::Node* to_array, compiler::Node* element_count,
 | 
| +      compiler::Node* capacity,
 | 
|        WriteBarrierMode barrier_mode = UPDATE_WRITE_BARRIER,
 | 
|        ParameterMode mode = INTEGER_PARAMETERS);
 | 
|  
 | 
| @@ -467,9 +522,11 @@
 | 
|    // intptr_ts depending on |mode| s.t. 0 <= |from_index| <= |from_index| +
 | 
|    // |character_count| <= from_string.length and 0 <= |to_index| <= |to_index| +
 | 
|    // |character_count| <= to_string.length.
 | 
| -  void CopyStringCharacters(Node* from_string, Node* to_string,
 | 
| -                            Node* from_index, Node* to_index,
 | 
| -                            Node* character_count,
 | 
| +  void CopyStringCharacters(compiler::Node* from_string,
 | 
| +                            compiler::Node* to_string,
 | 
| +                            compiler::Node* from_index,
 | 
| +                            compiler::Node* to_index,
 | 
| +                            compiler::Node* character_count,
 | 
|                              String::Encoding from_encoding,
 | 
|                              String::Encoding to_encoding, ParameterMode mode);
 | 
|  
 | 
| @@ -477,131 +534,154 @@
 | 
|    // (NOTE: not index!), does a hole check if |if_hole| is provided and
 | 
|    // converts the value so that it becomes ready for storing to array of
 | 
|    // |to_kind| elements.
 | 
| -  Node* LoadElementAndPrepareForStore(Node* array, Node* offset,
 | 
| -                                      ElementsKind from_kind,
 | 
| -                                      ElementsKind to_kind, Label* if_hole);
 | 
| -
 | 
| -  Node* CalculateNewElementsCapacity(Node* old_capacity,
 | 
| -                                     ParameterMode mode = INTEGER_PARAMETERS);
 | 
| +  compiler::Node* LoadElementAndPrepareForStore(compiler::Node* array,
 | 
| +                                                compiler::Node* offset,
 | 
| +                                                ElementsKind from_kind,
 | 
| +                                                ElementsKind to_kind,
 | 
| +                                                Label* if_hole);
 | 
| +
 | 
| +  compiler::Node* CalculateNewElementsCapacity(
 | 
| +      compiler::Node* old_capacity, ParameterMode mode = INTEGER_PARAMETERS);
 | 
|  
 | 
|    // Tries to grow the |elements| array of given |object| to store the |key|
 | 
|    // or bails out if the growing gap is too big. Returns new elements.
 | 
| -  Node* TryGrowElementsCapacity(Node* object, Node* elements, ElementsKind kind,
 | 
| -                                Node* key, Label* bailout);
 | 
| +  compiler::Node* TryGrowElementsCapacity(compiler::Node* object,
 | 
| +                                          compiler::Node* elements,
 | 
| +                                          ElementsKind kind,
 | 
| +                                          compiler::Node* key, Label* bailout);
 | 
|  
 | 
|    // Tries to grow the |capacity|-length |elements| array of given |object|
 | 
|    // to store the |key| or bails out if the growing gap is too big. Returns
 | 
|    // new elements.
 | 
| -  Node* TryGrowElementsCapacity(Node* object, Node* elements, ElementsKind kind,
 | 
| -                                Node* key, Node* capacity, ParameterMode mode,
 | 
| -                                Label* bailout);
 | 
| +  compiler::Node* TryGrowElementsCapacity(compiler::Node* object,
 | 
| +                                          compiler::Node* elements,
 | 
| +                                          ElementsKind kind,
 | 
| +                                          compiler::Node* key,
 | 
| +                                          compiler::Node* capacity,
 | 
| +                                          ParameterMode mode, Label* bailout);
 | 
|  
 | 
|    // Grows elements capacity of given object. Returns new elements.
 | 
| -  Node* GrowElementsCapacity(Node* object, Node* elements,
 | 
| -                             ElementsKind from_kind, ElementsKind to_kind,
 | 
| -                             Node* capacity, Node* new_capacity,
 | 
| -                             ParameterMode mode, Label* bailout);
 | 
| +  compiler::Node* GrowElementsCapacity(
 | 
| +      compiler::Node* object, compiler::Node* elements, ElementsKind from_kind,
 | 
| +      ElementsKind to_kind, compiler::Node* capacity,
 | 
| +      compiler::Node* new_capacity, ParameterMode mode, Label* bailout);
 | 
|  
 | 
|    // Allocation site manipulation
 | 
| -  void InitializeAllocationMemento(Node* base_allocation,
 | 
| +  void InitializeAllocationMemento(compiler::Node* base_allocation,
 | 
|                                     int base_allocation_size,
 | 
| -                                   Node* allocation_site);
 | 
| -
 | 
| -  Node* TryTaggedToFloat64(Node* value, Label* if_valueisnotnumber);
 | 
| -  Node* TruncateTaggedToFloat64(Node* context, Node* value);
 | 
| -  Node* TruncateTaggedToWord32(Node* context, Node* value);
 | 
| +                                   compiler::Node* allocation_site);
 | 
| +
 | 
| +  compiler::Node* TryTaggedToFloat64(compiler::Node* value,
 | 
| +                                     Label* if_valueisnotnumber);
 | 
| +  compiler::Node* TruncateTaggedToFloat64(compiler::Node* context,
 | 
| +                                          compiler::Node* value);
 | 
| +  compiler::Node* TruncateTaggedToWord32(compiler::Node* context,
 | 
| +                                         compiler::Node* value);
 | 
|    // Truncate the floating point value of a HeapNumber to an Int32.
 | 
| -  Node* TruncateHeapNumberValueToWord32(Node* object);
 | 
| +  compiler::Node* TruncateHeapNumberValueToWord32(compiler::Node* object);
 | 
|  
 | 
|    // Conversions.
 | 
| -  Node* ChangeFloat64ToTagged(Node* value);
 | 
| -  Node* ChangeInt32ToTagged(Node* value);
 | 
| -  Node* ChangeUint32ToTagged(Node* value);
 | 
| +  compiler::Node* ChangeFloat64ToTagged(compiler::Node* value);
 | 
| +  compiler::Node* ChangeInt32ToTagged(compiler::Node* value);
 | 
| +  compiler::Node* ChangeUint32ToTagged(compiler::Node* value);
 | 
|  
 | 
|    // Type conversions.
 | 
|    // Throws a TypeError for {method_name} if {value} is not coercible to Object,
 | 
|    // or returns the {value} converted to a String otherwise.
 | 
| -  Node* ToThisString(Node* context, Node* value, char const* method_name);
 | 
| +  compiler::Node* ToThisString(compiler::Node* context, compiler::Node* value,
 | 
| +                               char const* method_name);
 | 
|    // Throws a TypeError for {method_name} if {value} is neither of the given
 | 
|    // {primitive_type} nor a JSValue wrapping a value of {primitive_type}, or
 | 
|    // returns the {value} (or wrapped value) otherwise.
 | 
| -  Node* ToThisValue(Node* context, Node* value, PrimitiveType primitive_type,
 | 
| -                    char const* method_name);
 | 
| +  compiler::Node* ToThisValue(compiler::Node* context, compiler::Node* value,
 | 
| +                              PrimitiveType primitive_type,
 | 
| +                              char const* method_name);
 | 
|  
 | 
|    // Throws a TypeError for {method_name} if {value} is not of the given
 | 
|    // instance type. Returns {value}'s map.
 | 
| -  Node* ThrowIfNotInstanceType(Node* context, Node* value,
 | 
| -                               InstanceType instance_type,
 | 
| -                               char const* method_name);
 | 
| +  compiler::Node* ThrowIfNotInstanceType(compiler::Node* context,
 | 
| +                                         compiler::Node* value,
 | 
| +                                         InstanceType instance_type,
 | 
| +                                         char const* method_name);
 | 
|  
 | 
|    // Type checks.
 | 
|    // Check whether the map is for an object with special properties, such as a
 | 
|    // JSProxy or an object with interceptors.
 | 
| -  Node* IsSpecialReceiverMap(Node* map);
 | 
| -  Node* IsSpecialReceiverInstanceType(Node* instance_type);
 | 
| -  Node* IsStringInstanceType(Node* instance_type);
 | 
| -  Node* IsString(Node* object);
 | 
| -  Node* IsJSObject(Node* object);
 | 
| -  Node* IsJSGlobalProxy(Node* object);
 | 
| -  Node* IsJSReceiverInstanceType(Node* instance_type);
 | 
| -  Node* IsJSReceiver(Node* object);
 | 
| -  Node* IsMap(Node* object);
 | 
| -  Node* IsCallableMap(Node* map);
 | 
| -  Node* IsName(Node* object);
 | 
| -  Node* IsJSValue(Node* object);
 | 
| -  Node* IsJSArray(Node* object);
 | 
| -  Node* IsNativeContext(Node* object);
 | 
| -  Node* IsWeakCell(Node* object);
 | 
| -  Node* IsFixedDoubleArray(Node* object);
 | 
| -  Node* IsHashTable(Node* object);
 | 
| -  Node* IsDictionary(Node* object);
 | 
| -  Node* IsUnseededNumberDictionary(Node* object);
 | 
| +  compiler::Node* IsSpecialReceiverMap(compiler::Node* map);
 | 
| +  compiler::Node* IsSpecialReceiverInstanceType(compiler::Node* instance_type);
 | 
| +  compiler::Node* IsStringInstanceType(compiler::Node* instance_type);
 | 
| +  compiler::Node* IsString(compiler::Node* object);
 | 
| +  compiler::Node* IsJSObject(compiler::Node* object);
 | 
| +  compiler::Node* IsJSGlobalProxy(compiler::Node* object);
 | 
| +  compiler::Node* IsJSReceiverInstanceType(compiler::Node* instance_type);
 | 
| +  compiler::Node* IsJSReceiver(compiler::Node* object);
 | 
| +  compiler::Node* IsMap(compiler::Node* object);
 | 
| +  compiler::Node* IsCallableMap(compiler::Node* map);
 | 
| +  compiler::Node* IsName(compiler::Node* object);
 | 
| +  compiler::Node* IsJSValue(compiler::Node* object);
 | 
| +  compiler::Node* IsJSArray(compiler::Node* object);
 | 
| +  compiler::Node* IsNativeContext(compiler::Node* object);
 | 
| +  compiler::Node* IsWeakCell(compiler::Node* object);
 | 
| +  compiler::Node* IsFixedDoubleArray(compiler::Node* object);
 | 
| +  compiler::Node* IsHashTable(compiler::Node* object);
 | 
| +  compiler::Node* IsDictionary(compiler::Node* object);
 | 
| +  compiler::Node* IsUnseededNumberDictionary(compiler::Node* object);
 | 
|  
 | 
|    // ElementsKind helpers:
 | 
| -  Node* IsFastElementsKind(Node* elements_kind);
 | 
| -  Node* IsHoleyFastElementsKind(Node* elements_kind);
 | 
| +  compiler::Node* IsFastElementsKind(compiler::Node* elements_kind);
 | 
| +  compiler::Node* IsHoleyFastElementsKind(compiler::Node* elements_kind);
 | 
|  
 | 
|    // String helpers.
 | 
|    // Load a character from a String (might flatten a ConsString).
 | 
| -  Node* StringCharCodeAt(Node* string, Node* smi_index);
 | 
| +  compiler::Node* StringCharCodeAt(compiler::Node* string,
 | 
| +                                   compiler::Node* smi_index);
 | 
|    // Return the single character string with only {code}.
 | 
| -  Node* StringFromCharCode(Node* code);
 | 
| +  compiler::Node* StringFromCharCode(compiler::Node* code);
 | 
|    // Return a new string object which holds a substring containing the range
 | 
|    // [from,to[ of string.  |from| and |to| are expected to be tagged.
 | 
| -  Node* SubString(Node* context, Node* string, Node* from, Node* to);
 | 
| +  compiler::Node* SubString(compiler::Node* context, compiler::Node* string,
 | 
| +                            compiler::Node* from, compiler::Node* to);
 | 
|  
 | 
|    // Return a new string object produced by concatenating |first| with |second|.
 | 
| -  Node* StringAdd(Node* context, Node* first, Node* second,
 | 
| -                  AllocationFlags flags = kNone);
 | 
| +  compiler::Node* StringAdd(compiler::Node* context, compiler::Node* first,
 | 
| +                            compiler::Node* second,
 | 
| +                            AllocationFlags flags = kNone);
 | 
|  
 | 
|    // Return the first index >= {from} at which {needle_char} was found in
 | 
|    // {string}, or -1 if such an index does not exist. The returned value is
 | 
|    // a Smi, {string} is expected to be a String, {needle_char} is an intptr,
 | 
|    // and {from} is expected to be tagged.
 | 
| -  Node* StringIndexOfChar(Node* context, Node* string, Node* needle_char,
 | 
| -                          Node* from);
 | 
| -
 | 
| -  Node* StringFromCodePoint(Node* codepoint, UnicodeEncoding encoding);
 | 
| +  compiler::Node* StringIndexOfChar(compiler::Node* context,
 | 
| +                                    compiler::Node* string,
 | 
| +                                    compiler::Node* needle_char,
 | 
| +                                    compiler::Node* from);
 | 
| +
 | 
| +  compiler::Node* StringFromCodePoint(compiler::Node* codepoint,
 | 
| +                                      UnicodeEncoding encoding);
 | 
|  
 | 
|    // Type conversion helpers.
 | 
|    // Convert a String to a Number.
 | 
| -  Node* StringToNumber(Node* context, Node* input);
 | 
| -  Node* NumberToString(Node* context, Node* input);
 | 
| +  compiler::Node* StringToNumber(compiler::Node* context,
 | 
| +                                 compiler::Node* input);
 | 
| +  compiler::Node* NumberToString(compiler::Node* context,
 | 
| +                                 compiler::Node* input);
 | 
|    // Convert an object to a name.
 | 
| -  Node* ToName(Node* context, Node* input);
 | 
| +  compiler::Node* ToName(compiler::Node* context, compiler::Node* input);
 | 
|    // Convert a Non-Number object to a Number.
 | 
| -  Node* NonNumberToNumber(Node* context, Node* input);
 | 
| +  compiler::Node* NonNumberToNumber(compiler::Node* context,
 | 
| +                                    compiler::Node* input);
 | 
|    // Convert any object to a Number.
 | 
| -  Node* ToNumber(Node* context, Node* input);
 | 
| +  compiler::Node* ToNumber(compiler::Node* context, compiler::Node* input);
 | 
|  
 | 
|    // Convert any object to a String.
 | 
| -  Node* ToString(Node* context, Node* input);
 | 
| +  compiler::Node* ToString(compiler::Node* context, compiler::Node* input);
 | 
|  
 | 
|    // Convert any object to a Primitive.
 | 
| -  Node* JSReceiverToPrimitive(Node* context, Node* input);
 | 
| +  compiler::Node* JSReceiverToPrimitive(compiler::Node* context,
 | 
| +                                        compiler::Node* input);
 | 
|  
 | 
|    // Convert a String to a flat String.
 | 
| -  Node* FlattenString(Node* string);
 | 
| +  compiler::Node* FlattenString(compiler::Node* string);
 | 
|  
 | 
|    enum ToIntegerTruncationMode {
 | 
|      kNoTruncation,
 | 
| @@ -609,51 +689,53 @@
 | 
|    };
 | 
|  
 | 
|    // Convert any object to an Integer.
 | 
| -  Node* ToInteger(Node* context, Node* input,
 | 
| -                  ToIntegerTruncationMode mode = kNoTruncation);
 | 
| +  compiler::Node* ToInteger(compiler::Node* context, compiler::Node* input,
 | 
| +                            ToIntegerTruncationMode mode = kNoTruncation);
 | 
|  
 | 
|    // Returns a node that contains a decoded (unsigned!) value of a bit
 | 
|    // field |T| in |word32|. Returns result as an uint32 node.
 | 
|    template <typename T>
 | 
| -  Node* DecodeWord32(Node* word32) {
 | 
| +  compiler::Node* DecodeWord32(compiler::Node* word32) {
 | 
|      return DecodeWord32(word32, T::kShift, T::kMask);
 | 
|    }
 | 
|  
 | 
|    // Returns a node that contains a decoded (unsigned!) value of a bit
 | 
|    // field |T| in |word|. Returns result as a word-size node.
 | 
|    template <typename T>
 | 
| -  Node* DecodeWord(Node* word) {
 | 
| +  compiler::Node* DecodeWord(compiler::Node* word) {
 | 
|      return DecodeWord(word, T::kShift, T::kMask);
 | 
|    }
 | 
|  
 | 
|    // Returns a node that contains a decoded (unsigned!) value of a bit
 | 
|    // field |T| in |word32|. Returns result as a word-size node.
 | 
|    template <typename T>
 | 
| -  Node* DecodeWordFromWord32(Node* word32) {
 | 
| +  compiler::Node* DecodeWordFromWord32(compiler::Node* word32) {
 | 
|      return DecodeWord<T>(ChangeUint32ToWord(word32));
 | 
|    }
 | 
|  
 | 
|    // Decodes an unsigned (!) value from |word32| to an uint32 node.
 | 
| -  Node* DecodeWord32(Node* word32, uint32_t shift, uint32_t mask);
 | 
| +  compiler::Node* DecodeWord32(compiler::Node* word32, uint32_t shift,
 | 
| +                               uint32_t mask);
 | 
|  
 | 
|    // Decodes an unsigned (!) value from |word| to a word-size node.
 | 
| -  Node* DecodeWord(Node* word, uint32_t shift, uint32_t mask);
 | 
| +  compiler::Node* DecodeWord(compiler::Node* word, uint32_t shift,
 | 
| +                             uint32_t mask);
 | 
|  
 | 
|    // Returns true if any of the |T|'s bits in given |word32| are set.
 | 
|    template <typename T>
 | 
| -  Node* IsSetWord32(Node* word32) {
 | 
| +  compiler::Node* IsSetWord32(compiler::Node* word32) {
 | 
|      return IsSetWord32(word32, T::kMask);
 | 
|    }
 | 
|  
 | 
|    // Returns true if any of the mask's bits in given |word32| are set.
 | 
| -  Node* IsSetWord32(Node* word32, uint32_t mask) {
 | 
| +  compiler::Node* IsSetWord32(compiler::Node* word32, uint32_t mask) {
 | 
|      return Word32NotEqual(Word32And(word32, Int32Constant(mask)),
 | 
|                            Int32Constant(0));
 | 
|    }
 | 
|  
 | 
|    // Returns true if any of the |T|'s bits in given |word| are set.
 | 
|    template <typename T>
 | 
| -  Node* IsSetWord(Node* word) {
 | 
| +  compiler::Node* IsSetWord(compiler::Node* word) {
 | 
|      return WordNotEqual(WordAnd(word, IntPtrConstant(T::kMask)),
 | 
|                          IntPtrConstant(0));
 | 
|    }
 | 
| @@ -668,34 +750,36 @@
 | 
|    void Use(Label* label);
 | 
|  
 | 
|    // Various building blocks for stubs doing property lookups.
 | 
| -  void TryToName(Node* key, Label* if_keyisindex, Variable* var_index,
 | 
| +  void TryToName(compiler::Node* key, Label* if_keyisindex, Variable* var_index,
 | 
|                   Label* if_keyisunique, Label* if_bailout);
 | 
|  
 | 
|    // Calculates array index for given dictionary entry and entry field.
 | 
|    // See Dictionary::EntryToIndex().
 | 
|    template <typename Dictionary>
 | 
| -  Node* EntryToIndex(Node* entry, int field_index);
 | 
| +  compiler::Node* EntryToIndex(compiler::Node* entry, int field_index);
 | 
|    template <typename Dictionary>
 | 
| -  Node* EntryToIndex(Node* entry) {
 | 
| +  compiler::Node* EntryToIndex(compiler::Node* entry) {
 | 
|      return EntryToIndex<Dictionary>(entry, Dictionary::kEntryKeyIndex);
 | 
|    }
 | 
|    // Calculate a valid size for the a hash table.
 | 
| -  Node* HashTableComputeCapacity(Node* at_least_space_for);
 | 
| +  compiler::Node* HashTableComputeCapacity(compiler::Node* at_least_space_for);
 | 
|  
 | 
|    template <class Dictionary>
 | 
| -  Node* GetNumberOfElements(Node* dictionary);
 | 
| +  compiler::Node* GetNumberOfElements(compiler::Node* dictionary);
 | 
|  
 | 
|    template <class Dictionary>
 | 
| -  void SetNumberOfElements(Node* dictionary, Node* num_elements_smi);
 | 
| +  void SetNumberOfElements(compiler::Node* dictionary,
 | 
| +                           compiler::Node* num_elements_smi);
 | 
|  
 | 
|    template <class Dictionary>
 | 
| -  Node* GetCapacity(Node* dictionary);
 | 
| +  compiler::Node* GetCapacity(compiler::Node* dictionary);
 | 
|  
 | 
|    template <class Dictionary>
 | 
| -  Node* GetNextEnumerationIndex(Node* dictionary);
 | 
| +  compiler::Node* GetNextEnumerationIndex(compiler::Node* dictionary);
 | 
|  
 | 
|    template <class Dictionary>
 | 
| -  void SetNextEnumerationIndex(Node* dictionary, Node* next_enum_index_smi);
 | 
| +  void SetNextEnumerationIndex(compiler::Node* dictionary,
 | 
| +                               compiler::Node* next_enum_index_smi);
 | 
|  
 | 
|    // Looks up an entry in a NameDictionaryBase successor. If the entry is found
 | 
|    // control goes to {if_found} and {var_name_index} contains an index of the
 | 
| @@ -704,51 +788,60 @@
 | 
|    static const int kInlinedDictionaryProbes = 4;
 | 
|    enum LookupMode { kFindExisting, kFindInsertionIndex };
 | 
|    template <typename Dictionary>
 | 
| -  void NameDictionaryLookup(Node* dictionary, Node* unique_name,
 | 
| -                            Label* if_found, Variable* var_name_index,
 | 
| -                            Label* if_not_found,
 | 
| +  void NameDictionaryLookup(compiler::Node* dictionary,
 | 
| +                            compiler::Node* unique_name, Label* if_found,
 | 
| +                            Variable* var_name_index, Label* if_not_found,
 | 
|                              int inlined_probes = kInlinedDictionaryProbes,
 | 
|                              LookupMode mode = kFindExisting);
 | 
|  
 | 
| -  Node* ComputeIntegerHash(Node* key, Node* seed);
 | 
| +  compiler::Node* ComputeIntegerHash(compiler::Node* key, compiler::Node* seed);
 | 
|  
 | 
|    template <typename Dictionary>
 | 
| -  void NumberDictionaryLookup(Node* dictionary, Node* intptr_index,
 | 
| -                              Label* if_found, Variable* var_entry,
 | 
| -                              Label* if_not_found);
 | 
| +  void NumberDictionaryLookup(compiler::Node* dictionary,
 | 
| +                              compiler::Node* intptr_index, Label* if_found,
 | 
| +                              Variable* var_entry, Label* if_not_found);
 | 
|  
 | 
|    template <class Dictionary>
 | 
| -  void FindInsertionEntry(Node* dictionary, Node* key, Variable* var_key_index);
 | 
| +  void FindInsertionEntry(compiler::Node* dictionary, compiler::Node* key,
 | 
| +                          Variable* var_key_index);
 | 
|  
 | 
|    template <class Dictionary>
 | 
| -  void InsertEntry(Node* dictionary, Node* key, Node* value, Node* index,
 | 
| -                   Node* enum_index);
 | 
| +  void InsertEntry(compiler::Node* dictionary, compiler::Node* key,
 | 
| +                   compiler::Node* value, compiler::Node* index,
 | 
| +                   compiler::Node* enum_index);
 | 
|  
 | 
|    template <class Dictionary>
 | 
| -  void Add(Node* dictionary, Node* key, Node* value, Label* bailout);
 | 
| +  void Add(compiler::Node* dictionary, compiler::Node* key,
 | 
| +           compiler::Node* value, Label* bailout);
 | 
|  
 | 
|    // Tries to check if {object} has own {unique_name} property.
 | 
| -  void TryHasOwnProperty(Node* object, Node* map, Node* instance_type,
 | 
| -                         Node* unique_name, Label* if_found,
 | 
| +  void TryHasOwnProperty(compiler::Node* object, compiler::Node* map,
 | 
| +                         compiler::Node* instance_type,
 | 
| +                         compiler::Node* unique_name, Label* if_found,
 | 
|                           Label* if_not_found, Label* if_bailout);
 | 
|  
 | 
|    // Tries to get {object}'s own {unique_name} property value. If the property
 | 
|    // is an accessor then it also calls a getter. If the property is a double
 | 
|    // field it re-wraps value in an immutable heap number.
 | 
| -  void TryGetOwnProperty(Node* context, Node* receiver, Node* object, Node* map,
 | 
| -                         Node* instance_type, Node* unique_name,
 | 
| -                         Label* if_found, Variable* var_value,
 | 
| -                         Label* if_not_found, Label* if_bailout);
 | 
| -
 | 
| -  void LoadPropertyFromFastObject(Node* object, Node* map, Node* descriptors,
 | 
| -                                  Node* name_index, Variable* var_details,
 | 
| -                                  Variable* var_value);
 | 
| -
 | 
| -  void LoadPropertyFromNameDictionary(Node* dictionary, Node* entry,
 | 
| +  void TryGetOwnProperty(compiler::Node* context, compiler::Node* receiver,
 | 
| +                         compiler::Node* object, compiler::Node* map,
 | 
| +                         compiler::Node* instance_type,
 | 
| +                         compiler::Node* unique_name, Label* if_found,
 | 
| +                         Variable* var_value, Label* if_not_found,
 | 
| +                         Label* if_bailout);
 | 
| +
 | 
| +  void LoadPropertyFromFastObject(compiler::Node* object, compiler::Node* map,
 | 
| +                                  compiler::Node* descriptors,
 | 
| +                                  compiler::Node* name_index,
 | 
| +                                  Variable* var_details, Variable* var_value);
 | 
| +
 | 
| +  void LoadPropertyFromNameDictionary(compiler::Node* dictionary,
 | 
| +                                      compiler::Node* entry,
 | 
|                                        Variable* var_details,
 | 
|                                        Variable* var_value);
 | 
|  
 | 
| -  void LoadPropertyFromGlobalDictionary(Node* dictionary, Node* entry,
 | 
| +  void LoadPropertyFromGlobalDictionary(compiler::Node* dictionary,
 | 
| +                                        compiler::Node* entry,
 | 
|                                          Variable* var_details,
 | 
|                                          Variable* var_value, Label* if_deleted);
 | 
|  
 | 
| @@ -764,21 +857,24 @@
 | 
|    //
 | 
|    // Note: this code does not check if the global dictionary points to deleted
 | 
|    // entry! This has to be done by the caller.
 | 
| -  void TryLookupProperty(Node* object, Node* map, Node* instance_type,
 | 
| -                         Node* unique_name, Label* if_found_fast,
 | 
| +  void TryLookupProperty(compiler::Node* object, compiler::Node* map,
 | 
| +                         compiler::Node* instance_type,
 | 
| +                         compiler::Node* unique_name, Label* if_found_fast,
 | 
|                           Label* if_found_dict, Label* if_found_global,
 | 
|                           Variable* var_meta_storage, Variable* var_name_index,
 | 
|                           Label* if_not_found, Label* if_bailout);
 | 
|  
 | 
| -  void TryLookupElement(Node* object, Node* map, Node* instance_type,
 | 
| -                        Node* intptr_index, Label* if_found,
 | 
| +  void TryLookupElement(compiler::Node* object, compiler::Node* map,
 | 
| +                        compiler::Node* instance_type,
 | 
| +                        compiler::Node* intptr_index, Label* if_found,
 | 
|                          Label* if_not_found, Label* if_bailout);
 | 
|  
 | 
|    // This is a type of a lookup in holder generator function. In case of a
 | 
|    // property lookup the {key} is guaranteed to be a unique name and in case of
 | 
|    // element lookup the key is an Int32 index.
 | 
| -  typedef std::function<void(Node* receiver, Node* holder, Node* map,
 | 
| -                             Node* instance_type, Node* key, Label* next_holder,
 | 
| +  typedef std::function<void(compiler::Node* receiver, compiler::Node* holder,
 | 
| +                             compiler::Node* map, compiler::Node* instance_type,
 | 
| +                             compiler::Node* key, Label* next_holder,
 | 
|                               Label* if_bailout)>
 | 
|        LookupInHolder;
 | 
|  
 | 
| @@ -788,105 +884,124 @@
 | 
|    // Upon reaching the end of prototype chain the control goes to {if_end}.
 | 
|    // If it can't handle the case {receiver}/{key} case then the control goes
 | 
|    // to {if_bailout}.
 | 
| -  void TryPrototypeChainLookup(Node* receiver, Node* key,
 | 
| +  void TryPrototypeChainLookup(compiler::Node* receiver, compiler::Node* key,
 | 
|                                 LookupInHolder& lookup_property_in_holder,
 | 
|                                 LookupInHolder& lookup_element_in_holder,
 | 
|                                 Label* if_end, Label* if_bailout);
 | 
|  
 | 
|    // Instanceof helpers.
 | 
|    // ES6 section 7.3.19 OrdinaryHasInstance (C, O)
 | 
| -  Node* OrdinaryHasInstance(Node* context, Node* callable, Node* object);
 | 
| +  compiler::Node* OrdinaryHasInstance(compiler::Node* context,
 | 
| +                                      compiler::Node* callable,
 | 
| +                                      compiler::Node* object);
 | 
|  
 | 
|    // Load type feedback vector from the stub caller's frame.
 | 
| -  Node* LoadTypeFeedbackVectorForStub();
 | 
| +  compiler::Node* LoadTypeFeedbackVectorForStub();
 | 
|  
 | 
|    // Update the type feedback vector.
 | 
| -  void UpdateFeedback(Node* feedback, Node* type_feedback_vector,
 | 
| -                      Node* slot_id);
 | 
| -
 | 
| -  Node* LoadReceiverMap(Node* receiver);
 | 
| +  void UpdateFeedback(compiler::Node* feedback,
 | 
| +                      compiler::Node* type_feedback_vector,
 | 
| +                      compiler::Node* slot_id);
 | 
| +
 | 
| +  compiler::Node* LoadReceiverMap(compiler::Node* receiver);
 | 
|  
 | 
|    // Extends properties backing store by JSObject::kFieldsAdded elements.
 | 
| -  void ExtendPropertiesBackingStore(Node* object);
 | 
| -
 | 
| -  Node* PrepareValueForWrite(Node* value, Representation representation,
 | 
| -                             Label* bailout);
 | 
| -
 | 
| -  void StoreNamedField(Node* object, FieldIndex index,
 | 
| -                       Representation representation, Node* value,
 | 
| +  void ExtendPropertiesBackingStore(compiler::Node* object);
 | 
| +
 | 
| +  compiler::Node* PrepareValueForWrite(compiler::Node* value,
 | 
| +                                       Representation representation,
 | 
| +                                       Label* bailout);
 | 
| +
 | 
| +  void StoreNamedField(compiler::Node* object, FieldIndex index,
 | 
| +                       Representation representation, compiler::Node* value,
 | 
|                         bool transition_to_field);
 | 
|  
 | 
| -  void StoreNamedField(Node* object, Node* offset, bool is_inobject,
 | 
| -                       Representation representation, Node* value,
 | 
| -                       bool transition_to_field);
 | 
| +  void StoreNamedField(compiler::Node* object, compiler::Node* offset,
 | 
| +                       bool is_inobject, Representation representation,
 | 
| +                       compiler::Node* value, bool transition_to_field);
 | 
|  
 | 
|    // Emits keyed sloppy arguments load. Returns either the loaded value.
 | 
| -  Node* LoadKeyedSloppyArguments(Node* receiver, Node* key, Label* bailout) {
 | 
| +  compiler::Node* LoadKeyedSloppyArguments(compiler::Node* receiver,
 | 
| +                                           compiler::Node* key,
 | 
| +                                           Label* bailout) {
 | 
|      return EmitKeyedSloppyArguments(receiver, key, nullptr, bailout);
 | 
|    }
 | 
|  
 | 
|    // Emits keyed sloppy arguments store.
 | 
| -  void StoreKeyedSloppyArguments(Node* receiver, Node* key, Node* value,
 | 
| -                                 Label* bailout) {
 | 
| +  void StoreKeyedSloppyArguments(compiler::Node* receiver, compiler::Node* key,
 | 
| +                                 compiler::Node* value, Label* bailout) {
 | 
|      DCHECK_NOT_NULL(value);
 | 
|      EmitKeyedSloppyArguments(receiver, key, value, bailout);
 | 
|    }
 | 
|  
 | 
|    // Loads script context from the script context table.
 | 
| -  Node* LoadScriptContext(Node* context, int context_index);
 | 
| -
 | 
| -  Node* ClampedToUint8(Node* int32_value);
 | 
| +  compiler::Node* LoadScriptContext(compiler::Node* context, int context_index);
 | 
| +
 | 
| +  compiler::Node* ClampedToUint8(compiler::Node* int32_value);
 | 
|  
 | 
|    // Store value to an elements array with given elements kind.
 | 
| -  void StoreElement(Node* elements, ElementsKind kind, Node* index, Node* value,
 | 
| +  void StoreElement(compiler::Node* elements, ElementsKind kind,
 | 
| +                    compiler::Node* index, compiler::Node* value,
 | 
|                      ParameterMode mode);
 | 
|  
 | 
| -  void EmitElementStore(Node* object, Node* key, Node* value, bool is_jsarray,
 | 
| +  void EmitElementStore(compiler::Node* object, compiler::Node* key,
 | 
| +                        compiler::Node* value, bool is_jsarray,
 | 
|                          ElementsKind elements_kind,
 | 
|                          KeyedAccessStoreMode store_mode, Label* bailout);
 | 
|  
 | 
| -  Node* CheckForCapacityGrow(Node* object, Node* elements, ElementsKind kind,
 | 
| -                             Node* length, Node* key, ParameterMode mode,
 | 
| -                             bool is_js_array, Label* bailout);
 | 
| -
 | 
| -  Node* CopyElementsOnWrite(Node* object, Node* elements, ElementsKind kind,
 | 
| -                            Node* length, ParameterMode mode, Label* bailout);
 | 
| -
 | 
| -  void TransitionElementsKind(Node* object, Node* map, ElementsKind from_kind,
 | 
| -                              ElementsKind to_kind, bool is_jsarray,
 | 
| -                              Label* bailout);
 | 
| -
 | 
| -  void TrapAllocationMemento(Node* object, Label* memento_found);
 | 
| -
 | 
| -  Node* PageFromAddress(Node* address);
 | 
| +  compiler::Node* CheckForCapacityGrow(compiler::Node* object,
 | 
| +                                       compiler::Node* elements,
 | 
| +                                       ElementsKind kind,
 | 
| +                                       compiler::Node* length,
 | 
| +                                       compiler::Node* key, ParameterMode mode,
 | 
| +                                       bool is_js_array, Label* bailout);
 | 
| +
 | 
| +  compiler::Node* CopyElementsOnWrite(compiler::Node* object,
 | 
| +                                      compiler::Node* elements,
 | 
| +                                      ElementsKind kind, compiler::Node* length,
 | 
| +                                      ParameterMode mode, Label* bailout);
 | 
| +
 | 
| +  void TransitionElementsKind(compiler::Node* object, compiler::Node* map,
 | 
| +                              ElementsKind from_kind, ElementsKind to_kind,
 | 
| +                              bool is_jsarray, Label* bailout);
 | 
| +
 | 
| +  void TrapAllocationMemento(compiler::Node* object, Label* memento_found);
 | 
| +
 | 
| +  compiler::Node* PageFromAddress(compiler::Node* address);
 | 
|  
 | 
|    // Get the enumerable length from |map| and return the result as a Smi.
 | 
| -  Node* EnumLength(Node* map);
 | 
| +  compiler::Node* EnumLength(compiler::Node* map);
 | 
|  
 | 
|    // Check the cache validity for |receiver|. Branch to |use_cache| if
 | 
|    // the cache is valid, otherwise branch to |use_runtime|.
 | 
| -  void CheckEnumCache(Node* receiver, CodeStubAssembler::Label* use_cache,
 | 
| +  void CheckEnumCache(compiler::Node* receiver,
 | 
| +                      CodeStubAssembler::Label* use_cache,
 | 
|                        CodeStubAssembler::Label* use_runtime);
 | 
|  
 | 
|    // Create a new weak cell with a specified value and install it into a
 | 
|    // feedback vector.
 | 
| -  Node* CreateWeakCellInFeedbackVector(Node* feedback_vector, Node* slot,
 | 
| -                                       Node* value);
 | 
| +  compiler::Node* CreateWeakCellInFeedbackVector(
 | 
| +      compiler::Node* feedback_vector, compiler::Node* slot,
 | 
| +      compiler::Node* value);
 | 
|  
 | 
|    // Create a new AllocationSite and install it into a feedback vector.
 | 
| -  Node* CreateAllocationSiteInFeedbackVector(Node* feedback_vector, Node* slot);
 | 
| +  compiler::Node* CreateAllocationSiteInFeedbackVector(
 | 
| +      compiler::Node* feedback_vector, compiler::Node* slot);
 | 
|  
 | 
|    enum class IndexAdvanceMode { kPre, kPost };
 | 
|  
 | 
|    void BuildFastLoop(
 | 
|        const VariableList& var_list, MachineRepresentation index_rep,
 | 
| -      Node* start_index, Node* end_index,
 | 
| -      std::function<void(CodeStubAssembler* assembler, Node* index)> body,
 | 
| +      compiler::Node* start_index, compiler::Node* end_index,
 | 
| +      std::function<void(CodeStubAssembler* assembler, compiler::Node* index)>
 | 
| +          body,
 | 
|        int increment, IndexAdvanceMode mode = IndexAdvanceMode::kPre);
 | 
|  
 | 
|    void BuildFastLoop(
 | 
| -      MachineRepresentation index_rep, Node* start_index, Node* end_index,
 | 
| -      std::function<void(CodeStubAssembler* assembler, Node* index)> body,
 | 
| +      MachineRepresentation index_rep, compiler::Node* start_index,
 | 
| +      compiler::Node* end_index,
 | 
| +      std::function<void(CodeStubAssembler* assembler, compiler::Node* index)>
 | 
| +          body,
 | 
|        int increment, IndexAdvanceMode mode = IndexAdvanceMode::kPre) {
 | 
|      BuildFastLoop(VariableList(0, zone()), index_rep, start_index, end_index,
 | 
|                    body, increment, mode);
 | 
| @@ -895,21 +1010,24 @@
 | 
|    enum class ForEachDirection { kForward, kReverse };
 | 
|  
 | 
|    void BuildFastFixedArrayForEach(
 | 
| -      Node* fixed_array, ElementsKind kind, Node* first_element_inclusive,
 | 
| -      Node* last_element_exclusive,
 | 
| -      std::function<void(CodeStubAssembler* assembler, Node* fixed_array,
 | 
| -                         Node* offset)>
 | 
| +      compiler::Node* fixed_array, ElementsKind kind,
 | 
| +      compiler::Node* first_element_inclusive,
 | 
| +      compiler::Node* last_element_exclusive,
 | 
| +      std::function<void(CodeStubAssembler* assembler,
 | 
| +                         compiler::Node* fixed_array, compiler::Node* offset)>
 | 
|            body,
 | 
|        ParameterMode mode = INTPTR_PARAMETERS,
 | 
|        ForEachDirection direction = ForEachDirection::kReverse);
 | 
|  
 | 
| -  Node* GetArrayAllocationSize(Node* element_count, ElementsKind kind,
 | 
| -                               ParameterMode mode, int header_size) {
 | 
| +  compiler::Node* GetArrayAllocationSize(compiler::Node* element_count,
 | 
| +                                         ElementsKind kind, ParameterMode mode,
 | 
| +                                         int header_size) {
 | 
|      return ElementOffsetFromIndex(element_count, kind, mode, header_size);
 | 
|    }
 | 
|  
 | 
| -  Node* GetFixedArrayAllocationSize(Node* element_count, ElementsKind kind,
 | 
| -                                    ParameterMode mode) {
 | 
| +  compiler::Node* GetFixedArrayAllocationSize(compiler::Node* element_count,
 | 
| +                                              ElementsKind kind,
 | 
| +                                              ParameterMode mode) {
 | 
|      return GetArrayAllocationSize(element_count, kind, mode,
 | 
|                                    FixedArray::kHeaderSize);
 | 
|    }
 | 
| @@ -921,133 +1039,160 @@
 | 
|      kGreaterThanOrEqual
 | 
|    };
 | 
|  
 | 
| -  Node* RelationalComparison(RelationalComparisonMode mode, Node* lhs,
 | 
| -                             Node* rhs, Node* context);
 | 
| +  compiler::Node* RelationalComparison(RelationalComparisonMode mode,
 | 
| +                                       compiler::Node* lhs, compiler::Node* rhs,
 | 
| +                                       compiler::Node* context);
 | 
|  
 | 
|    void BranchIfNumericRelationalComparison(RelationalComparisonMode mode,
 | 
| -                                           Node* lhs, Node* rhs, Label* if_true,
 | 
| +                                           compiler::Node* lhs,
 | 
| +                                           compiler::Node* rhs, Label* if_true,
 | 
|                                             Label* if_false);
 | 
|  
 | 
| -  void GotoUnlessNumberLessThan(Node* lhs, Node* rhs, Label* if_false);
 | 
| +  void GotoUnlessNumberLessThan(compiler::Node* lhs, compiler::Node* rhs,
 | 
| +                                Label* if_false);
 | 
|  
 | 
|    enum ResultMode { kDontNegateResult, kNegateResult };
 | 
|  
 | 
| -  Node* Equal(ResultMode mode, Node* lhs, Node* rhs, Node* context);
 | 
| -
 | 
| -  Node* StrictEqual(ResultMode mode, Node* lhs, Node* rhs, Node* context);
 | 
| +  compiler::Node* Equal(ResultMode mode, compiler::Node* lhs,
 | 
| +                        compiler::Node* rhs, compiler::Node* context);
 | 
| +
 | 
| +  compiler::Node* StrictEqual(ResultMode mode, compiler::Node* lhs,
 | 
| +                              compiler::Node* rhs, compiler::Node* context);
 | 
|  
 | 
|    // ECMA#sec-samevalue
 | 
|    // Similar to StrictEqual except that NaNs are treated as equal and minus zero
 | 
|    // differs from positive zero.
 | 
|    // Unlike Equal and StrictEqual, returns a value suitable for use in Branch
 | 
|    // instructions, e.g. Branch(SameValue(...), &label).
 | 
| -  Node* SameValue(Node* lhs, Node* rhs, Node* context);
 | 
| -
 | 
| -  Node* HasProperty(
 | 
| -      Node* object, Node* key, Node* context,
 | 
| +  compiler::Node* SameValue(compiler::Node* lhs, compiler::Node* rhs,
 | 
| +                            compiler::Node* context);
 | 
| +
 | 
| +  compiler::Node* HasProperty(
 | 
| +      compiler::Node* object, compiler::Node* key, compiler::Node* context,
 | 
|        Runtime::FunctionId fallback_runtime_function_id = Runtime::kHasProperty);
 | 
| -  Node* ForInFilter(Node* key, Node* object, Node* context);
 | 
| -
 | 
| -  Node* Typeof(Node* value, Node* context);
 | 
| -
 | 
| -  Node* InstanceOf(Node* object, Node* callable, Node* context);
 | 
| +  compiler::Node* ForInFilter(compiler::Node* key, compiler::Node* object,
 | 
| +                              compiler::Node* context);
 | 
| +
 | 
| +  compiler::Node* Typeof(compiler::Node* value, compiler::Node* context);
 | 
| +
 | 
| +  compiler::Node* InstanceOf(compiler::Node* object, compiler::Node* callable,
 | 
| +                             compiler::Node* context);
 | 
|  
 | 
|    // Debug helpers
 | 
| -  Node* IsDebugActive();
 | 
| +  compiler::Node* IsDebugActive();
 | 
|  
 | 
|    // TypedArray/ArrayBuffer helpers
 | 
| -  Node* IsDetachedBuffer(Node* buffer);
 | 
| -
 | 
| -  Node* ElementOffsetFromIndex(Node* index, ElementsKind kind,
 | 
| -                               ParameterMode mode, int base_size = 0);
 | 
| +  compiler::Node* IsDetachedBuffer(compiler::Node* buffer);
 | 
| +
 | 
| +  compiler::Node* ElementOffsetFromIndex(compiler::Node* index,
 | 
| +                                         ElementsKind kind, ParameterMode mode,
 | 
| +                                         int base_size = 0);
 | 
|  
 | 
|   protected:
 | 
| -  void DescriptorLookupLinear(Node* unique_name, Node* descriptors, Node* nof,
 | 
| +  void DescriptorLookupLinear(compiler::Node* unique_name,
 | 
| +                              compiler::Node* descriptors, compiler::Node* nof,
 | 
|                                Label* if_found, Variable* var_name_index,
 | 
|                                Label* if_not_found);
 | 
|  
 | 
| -  Node* CallGetterIfAccessor(Node* value, Node* details, Node* context,
 | 
| -                             Node* receiver, Label* if_bailout);
 | 
| -
 | 
| -  Node* TryToIntptr(Node* key, Label* miss);
 | 
| -
 | 
| -  void BranchIfPrototypesHaveNoElements(Node* receiver_map,
 | 
| +  compiler::Node* CallGetterIfAccessor(compiler::Node* value,
 | 
| +                                       compiler::Node* details,
 | 
| +                                       compiler::Node* context,
 | 
| +                                       compiler::Node* receiver,
 | 
| +                                       Label* if_bailout);
 | 
| +
 | 
| +  compiler::Node* TryToIntptr(compiler::Node* key, Label* miss);
 | 
| +
 | 
| +  void BranchIfPrototypesHaveNoElements(compiler::Node* receiver_map,
 | 
|                                          Label* definitely_no_elements,
 | 
|                                          Label* possibly_elements);
 | 
|  
 | 
|   private:
 | 
|    friend class CodeStubArguments;
 | 
|  
 | 
| -  Node* AllocateRawAligned(Node* size_in_bytes, AllocationFlags flags,
 | 
| -                           Node* top_address, Node* limit_address);
 | 
| -  Node* AllocateRawUnaligned(Node* size_in_bytes, AllocationFlags flags,
 | 
| -                             Node* top_adddress, Node* limit_address);
 | 
| +  compiler::Node* AllocateRawAligned(compiler::Node* size_in_bytes,
 | 
| +                                     AllocationFlags flags,
 | 
| +                                     compiler::Node* top_address,
 | 
| +                                     compiler::Node* limit_address);
 | 
| +  compiler::Node* AllocateRawUnaligned(compiler::Node* size_in_bytes,
 | 
| +                                       AllocationFlags flags,
 | 
| +                                       compiler::Node* top_adddress,
 | 
| +                                       compiler::Node* limit_address);
 | 
|    // Allocate and return a JSArray of given total size in bytes with header
 | 
|    // fields initialized.
 | 
| -  Node* AllocateUninitializedJSArray(ElementsKind kind, Node* array_map,
 | 
| -                                     Node* length, Node* allocation_site,
 | 
| -                                     Node* size_in_bytes);
 | 
| -
 | 
| -  Node* SmiShiftBitsConstant();
 | 
| +  compiler::Node* AllocateUninitializedJSArray(ElementsKind kind,
 | 
| +                                               compiler::Node* array_map,
 | 
| +                                               compiler::Node* length,
 | 
| +                                               compiler::Node* allocation_site,
 | 
| +                                               compiler::Node* size_in_bytes);
 | 
| +
 | 
| +  compiler::Node* SmiShiftBitsConstant();
 | 
|  
 | 
|    // Emits keyed sloppy arguments load if the |value| is nullptr or store
 | 
|    // otherwise. Returns either the loaded value or |value|.
 | 
| -  Node* EmitKeyedSloppyArguments(Node* receiver, Node* key, Node* value,
 | 
| -                                 Label* bailout);
 | 
| -
 | 
| -  Node* AllocateSlicedString(Heap::RootListIndex map_root_index, Node* length,
 | 
| -                             Node* parent, Node* offset);
 | 
| -
 | 
| -  Node* AllocateConsString(Heap::RootListIndex map_root_index, Node* length,
 | 
| -                           Node* first, Node* second, AllocationFlags flags);
 | 
| +  compiler::Node* EmitKeyedSloppyArguments(compiler::Node* receiver,
 | 
| +                                           compiler::Node* key,
 | 
| +                                           compiler::Node* value,
 | 
| +                                           Label* bailout);
 | 
| +
 | 
| +  compiler::Node* AllocateSlicedString(Heap::RootListIndex map_root_index,
 | 
| +                                       compiler::Node* length,
 | 
| +                                       compiler::Node* parent,
 | 
| +                                       compiler::Node* offset);
 | 
| +
 | 
| +  compiler::Node* AllocateConsString(Heap::RootListIndex map_root_index,
 | 
| +                                     compiler::Node* length,
 | 
| +                                     compiler::Node* first,
 | 
| +                                     compiler::Node* second,
 | 
| +                                     AllocationFlags flags);
 | 
|  
 | 
|    static const int kElementLoopUnrollThreshold = 8;
 | 
|  };
 | 
|  
 | 
|  class CodeStubArguments {
 | 
|   public:
 | 
| -  typedef compiler::Node Node;
 | 
| -
 | 
|    // |argc| specifies the number of arguments passed to the builtin excluding
 | 
|    // the receiver.
 | 
| -  CodeStubArguments(CodeStubAssembler* assembler, Node* argc,
 | 
| +  CodeStubArguments(CodeStubAssembler* assembler, compiler::Node* argc,
 | 
|                      CodeStubAssembler::ParameterMode mode =
 | 
|                          CodeStubAssembler::INTPTR_PARAMETERS);
 | 
|  
 | 
| -  Node* GetReceiver();
 | 
| +  compiler::Node* GetReceiver();
 | 
|  
 | 
|    // |index| is zero-based and does not include the receiver
 | 
| -  Node* AtIndex(Node* index, CodeStubAssembler::ParameterMode mode =
 | 
| -                                 CodeStubAssembler::INTPTR_PARAMETERS);
 | 
| -
 | 
| -  Node* AtIndex(int index);
 | 
| -
 | 
| -  typedef std::function<void(CodeStubAssembler* assembler, Node* arg)>
 | 
| +  compiler::Node* AtIndex(compiler::Node* index,
 | 
| +                          CodeStubAssembler::ParameterMode mode =
 | 
| +                              CodeStubAssembler::INTPTR_PARAMETERS);
 | 
| +
 | 
| +  compiler::Node* AtIndex(int index);
 | 
| +
 | 
| +  typedef std::function<void(CodeStubAssembler* assembler, compiler::Node* arg)>
 | 
|        ForEachBodyFunction;
 | 
|  
 | 
|    // Iteration doesn't include the receiver. |first| and |last| are zero-based.
 | 
| -  void ForEach(ForEachBodyFunction body, Node* first = nullptr,
 | 
| -               Node* last = nullptr, CodeStubAssembler::ParameterMode mode =
 | 
| -                                         CodeStubAssembler::INTPTR_PARAMETERS) {
 | 
| +  void ForEach(ForEachBodyFunction body, compiler::Node* first = nullptr,
 | 
| +               compiler::Node* last = nullptr,
 | 
| +               CodeStubAssembler::ParameterMode mode =
 | 
| +                   CodeStubAssembler::INTPTR_PARAMETERS) {
 | 
|      CodeStubAssembler::VariableList list(0, assembler_->zone());
 | 
|      ForEach(list, body, first, last);
 | 
|    }
 | 
|  
 | 
|    // Iteration doesn't include the receiver. |first| and |last| are zero-based.
 | 
|    void ForEach(const CodeStubAssembler::VariableList& vars,
 | 
| -               ForEachBodyFunction body, Node* first = nullptr,
 | 
| -               Node* last = nullptr, CodeStubAssembler::ParameterMode mode =
 | 
| -                                         CodeStubAssembler::INTPTR_PARAMETERS);
 | 
| -
 | 
| -  void PopAndReturn(Node* value);
 | 
| +               ForEachBodyFunction body, compiler::Node* first = nullptr,
 | 
| +               compiler::Node* last = nullptr,
 | 
| +               CodeStubAssembler::ParameterMode mode =
 | 
| +                   CodeStubAssembler::INTPTR_PARAMETERS);
 | 
| +
 | 
| +  void PopAndReturn(compiler::Node* value);
 | 
|  
 | 
|   private:
 | 
| -  Node* GetArguments();
 | 
| +  compiler::Node* GetArguments();
 | 
|  
 | 
|    CodeStubAssembler* assembler_;
 | 
| -  Node* argc_;
 | 
| -  Node* arguments_;
 | 
| -  Node* fp_;
 | 
| +  compiler::Node* argc_;
 | 
| +  compiler::Node* arguments_;
 | 
| +  compiler::Node* fp_;
 | 
|  };
 | 
|  
 | 
|  #ifdef DEBUG
 | 
| 
 |