Reland of [cleanup] CodeStubAssembler: s/compiler::Node/Node/

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"
@@ skipping 29 matching lines @@
   V(TrueValue, True)                                  \
   V(UndefinedValue, Undefined)
 
 // Provides JavaScript-specific "macro-assembler" functionality on top of the
 // CodeAssembler. By factoring the JavaScript-isms out of the CodeAssembler,
 // it's possible to add JavaScript-specific useful CodeAssembler "macros"
 // without modifying files in the compiler directory (and requiring a review
 // 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) {}
 
   enum AllocationFlag : uint8_t {
     kNone = 0,
     kDoubleAlignment = 1,
     kPretenured = 1 << 1
   };
 
   typedef base::Flags<AllocationFlag> AllocationFlags;
 
   // TODO(ishell): Fix all loads/stores from arrays by int32 offsets/indices
   // and eventually remove INTEGER_PARAMETERS in favour of INTPTR_PARAMETERS.
   enum ParameterMode { INTEGER_PARAMETERS, SMI_PARAMETERS, INTPTR_PARAMETERS };
 
   // On 32-bit platforms, there is a slight performance advantage to doing all
   // of the array offset/index arithmetic with SMIs, since it's possible
   // to save a few tag/untag operations without paying an extra expense when
   // calculating array offset (the smi math can be folded away) and there are
   // fewer live ranges. Thus only convert indices to untagged value on 64-bit
   // platforms.
   ParameterMode OptimalParameterMode() const {
     return Is64() ? INTPTR_PARAMETERS : SMI_PARAMETERS;
   }
 
-  compiler::Node* UntagParameter(compiler::Node* value, ParameterMode mode) {
+  Node* UntagParameter(Node* value, ParameterMode mode) {
     if (mode != SMI_PARAMETERS) value = SmiUntag(value);
     return value;
   }
 
-  compiler::Node* TagParameter(compiler::Node* value, ParameterMode mode) {
+  Node* TagParameter(Node* value, ParameterMode mode) {
     if (mode != SMI_PARAMETERS) value = SmiTag(value);
     return value;
   }
 
-  compiler::Node* NoContextConstant();
-#define HEAP_CONSTANT_ACCESSOR(rootName, name) compiler::Node* name##Constant();
+  Node* NoContextConstant();
+#define HEAP_CONSTANT_ACCESSOR(rootName, name) Node* name##Constant();
   HEAP_CONSTANT_LIST(HEAP_CONSTANT_ACCESSOR)
 #undef HEAP_CONSTANT_ACCESSOR
 
-#define HEAP_CONSTANT_TEST(rootName, name) \
-  compiler::Node* Is##name(compiler::Node* value);
+#define HEAP_CONSTANT_TEST(rootName, name) Node* Is##name(Node* value);
   HEAP_CONSTANT_LIST(HEAP_CONSTANT_TEST)
 #undef HEAP_CONSTANT_TEST
 
-  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);
+  Node* HashSeed();
+  Node* StaleRegisterConstant();
+
+  Node* IntPtrOrSmiConstant(int value, ParameterMode mode);
+
+  Node* IntPtrAddFoldConstants(Node* left, Node* right);
+  Node* IntPtrSubFoldConstants(Node* left, Node* right);
   // Round the 32bits payload of the provided word up to the next power of two.
-  compiler::Node* IntPtrRoundUpToPowerOfTwo32(compiler::Node* value);
-  compiler::Node* IntPtrMax(compiler::Node* left, compiler::Node* right);
+  Node* IntPtrRoundUpToPowerOfTwo32(Node* value);
+  Node* IntPtrMax(Node* left, Node* right);
 
   // Float64 operations.
-  compiler::Node* Float64Ceil(compiler::Node* x);
-  compiler::Node* Float64Floor(compiler::Node* x);
-  compiler::Node* Float64Round(compiler::Node* x);
-  compiler::Node* Float64Trunc(compiler::Node* x);
+  Node* Float64Ceil(Node* x);
+  Node* Float64Floor(Node* x);
+  Node* Float64Round(Node* x);
+  Node* Float64Trunc(Node* x);
 
   // Tag a Word as a Smi value.
-  compiler::Node* SmiTag(compiler::Node* value);
+  Node* SmiTag(Node* value);
   // Untag a Smi value as a Word.
-  compiler::Node* SmiUntag(compiler::Node* value);
+  Node* SmiUntag(Node* value);
 
   // Smi conversions.
-  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);
+  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);
 
   // Smi operations.
-  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);
+  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);
   // Computes a % b for Smi inputs a and b; result is not necessarily a Smi.
-  compiler::Node* SmiMod(compiler::Node* a, compiler::Node* b);
+  Node* SmiMod(Node* a, Node* b);
   // Computes a * b for Smi inputs a and b; result is not necessarily a Smi.
-  compiler::Node* SmiMul(compiler::Node* a, compiler::Node* b);
-  compiler::Node* SmiOr(compiler::Node* a, compiler::Node* b) {
+  Node* SmiMul(Node* a, Node* b);
+  Node* SmiOr(Node* a, Node* b) {
     return BitcastWordToTaggedSigned(
         WordOr(BitcastTaggedToWord(a), BitcastTaggedToWord(b)));
   }
 
   // Smi | HeapNumber operations.
-  compiler::Node* NumberInc(compiler::Node* value);
+  Node* NumberInc(Node* value);
 
   // Allocate an object of the given size.
-  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;
+  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;
   void Assert(ConditionBody condition_body, const char* string = nullptr,
               const char* file = nullptr, int line = 0);
 
   // Check a value for smi-ness
-  compiler::Node* TaggedIsSmi(compiler::Node* a);
+  Node* TaggedIsSmi(Node* a);
   // Check that the value is a non-negative smi.
-  compiler::Node* WordIsPositiveSmi(compiler::Node* a);
+  Node* WordIsPositiveSmi(Node* a);
   // Check that a word has a word-aligned address.
-  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) {
+  Node* WordIsWordAligned(Node* word);
+  Node* WordIsPowerOfTwo(Node* value);
+
+  void BranchIfSmiEqual(Node* a, Node* b, Label* if_true, Label* if_false) {
     Branch(SmiEqual(a, b), if_true, if_false);
   }
 
-  void BranchIfSmiLessThan(compiler::Node* a, compiler::Node* b, Label* if_true,
-                           Label* if_false) {
+  void BranchIfSmiLessThan(Node* a, Node* b, Label* if_true, Label* if_false) {
     Branch(SmiLessThan(a, b), if_true, if_false);
   }
 
-  void BranchIfSmiLessThanOrEqual(compiler::Node* a, compiler::Node* b,
-                                  Label* if_true, Label* if_false) {
+  void BranchIfSmiLessThanOrEqual(Node* a, Node* b, Label* if_true,
+                                  Label* if_false) {
     Branch(SmiLessThanOrEqual(a, b), if_true, if_false);
   }
 
-  void BranchIfFloat64IsNaN(compiler::Node* value, Label* if_true,
-                            Label* if_false) {
+  void BranchIfFloat64IsNaN(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(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,
+  void BranchIfToBooleanIsTrue(Node* value, Label* if_true, Label* if_false);
+
+  void BranchIfSimd128Equal(Node* lhs, Node* lhs_map, Node* rhs, Node* rhs_map,
                             Label* if_equal, Label* if_notequal);
-  void BranchIfSimd128Equal(compiler::Node* lhs, compiler::Node* rhs,
-                            Label* if_equal, Label* if_notequal) {
+  void BranchIfSimd128Equal(Node* lhs, Node* rhs, Label* if_equal,
+                            Label* if_notequal) {
     BranchIfSimd128Equal(lhs, LoadMap(lhs), rhs, LoadMap(rhs), if_equal,
                          if_notequal);
   }
 
-  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);
+  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);
 
   // Load value from current frame by given offset in bytes.
-  compiler::Node* LoadFromFrame(int offset,
-                                MachineType rep = MachineType::AnyTagged());
+  Node* LoadFromFrame(int offset, MachineType rep = MachineType::AnyTagged());
   // Load value from current parent frame by given offset in bytes.
-  compiler::Node* LoadFromParentFrame(
-      int offset, MachineType rep = MachineType::AnyTagged());
+  Node* LoadFromParentFrame(int offset,
+                            MachineType rep = MachineType::AnyTagged());
 
   // Load an object pointer from a buffer that isn't in the heap.
-  compiler::Node* LoadBufferObject(compiler::Node* buffer, int offset,
-                                   MachineType rep = MachineType::AnyTagged());
+  Node* LoadBufferObject(Node* buffer, int offset,
+                         MachineType rep = MachineType::AnyTagged());
   // Load a field from an object on the heap.
-  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());
+  Node* LoadObjectField(Node* object, int offset,
+                        MachineType rep = MachineType::AnyTagged());
+  Node* LoadObjectField(Node* object, Node* offset,
+                        MachineType rep = MachineType::AnyTagged());
   // Load a SMI field and untag it.
-  compiler::Node* LoadAndUntagObjectField(compiler::Node* object, int offset);
+  Node* LoadAndUntagObjectField(Node* object, int offset);
   // Load a SMI field, untag it, and convert to Word32.
-  compiler::Node* LoadAndUntagToWord32ObjectField(compiler::Node* object,
-                                                  int offset);
+  Node* LoadAndUntagToWord32ObjectField(Node* object, int offset);
   // Load a SMI and untag it.
-  compiler::Node* LoadAndUntagSmi(compiler::Node* base, int index);
+  Node* LoadAndUntagSmi(Node* base, int index);
   // Load a SMI root, untag it, and convert to Word32.
-  compiler::Node* LoadAndUntagToWord32Root(Heap::RootListIndex root_index);
+  Node* LoadAndUntagToWord32Root(Heap::RootListIndex root_index);
 
   // Load the floating point value of a HeapNumber.
-  compiler::Node* LoadHeapNumberValue(compiler::Node* object);
+  Node* LoadHeapNumberValue(Node* object);
   // Load the Map of an HeapObject.
-  compiler::Node* LoadMap(compiler::Node* object);
+  Node* LoadMap(Node* object);
   // Load the instance type of an HeapObject.
-  compiler::Node* LoadInstanceType(compiler::Node* object);
+  Node* LoadInstanceType(Node* object);
   // Compare the instance the type of the object against the provided one.
-  compiler::Node* HasInstanceType(compiler::Node* object, InstanceType type);
+  Node* HasInstanceType(Node* object, InstanceType type);
   // Load the properties backing store of a JSObject.
-  compiler::Node* LoadProperties(compiler::Node* object);
+  Node* LoadProperties(Node* object);
   // Load the elements backing store of a JSObject.
-  compiler::Node* LoadElements(compiler::Node* object);
+  Node* LoadElements(Node* object);
   // Load the length of a JSArray instance.
-  compiler::Node* LoadJSArrayLength(compiler::Node* array);
+  Node* LoadJSArrayLength(Node* array);
   // Load the length of a fixed array base instance.
-  compiler::Node* LoadFixedArrayBaseLength(compiler::Node* array);
+  Node* LoadFixedArrayBaseLength(Node* array);
   // Load the length of a fixed array base instance.
-  compiler::Node* LoadAndUntagFixedArrayBaseLength(compiler::Node* array);
+  Node* LoadAndUntagFixedArrayBaseLength(Node* array);
   // Load the bit field of a Map.
-  compiler::Node* LoadMapBitField(compiler::Node* map);
+  Node* LoadMapBitField(Node* map);
   // Load bit field 2 of a map.
-  compiler::Node* LoadMapBitField2(compiler::Node* map);
+  Node* LoadMapBitField2(Node* map);
   // Load bit field 3 of a map.
-  compiler::Node* LoadMapBitField3(compiler::Node* map);
+  Node* LoadMapBitField3(Node* map);
   // Load the instance type of a map.
-  compiler::Node* LoadMapInstanceType(compiler::Node* map);
+  Node* LoadMapInstanceType(Node* map);
   // Load the ElementsKind of a map.
-  compiler::Node* LoadMapElementsKind(compiler::Node* map);
+  Node* LoadMapElementsKind(Node* map);
   // Load the instance descriptors of a map.
-  compiler::Node* LoadMapDescriptors(compiler::Node* map);
+  Node* LoadMapDescriptors(Node* map);
   // Load the prototype of a map.
-  compiler::Node* LoadMapPrototype(compiler::Node* map);
+  Node* LoadMapPrototype(Node* map);
   // Load the prototype info of a map. The result has to be checked if it is a
   // prototype info object or not.
-  compiler::Node* LoadMapPrototypeInfo(compiler::Node* map,
-                                       Label* if_has_no_proto_info);
+  Node* LoadMapPrototypeInfo(Node* map, Label* if_has_no_proto_info);
   // Load the instance size of a Map.
-  compiler::Node* LoadMapInstanceSize(compiler::Node* map);
+  Node* LoadMapInstanceSize(Node* map);
   // Load the inobject properties count of a Map (valid only for JSObjects).
-  compiler::Node* LoadMapInobjectProperties(compiler::Node* map);
+  Node* LoadMapInobjectProperties(Node* map);
   // Load the constructor function index of a Map (only for primitive maps).
-  compiler::Node* LoadMapConstructorFunctionIndex(compiler::Node* map);
+  Node* LoadMapConstructorFunctionIndex(Node* map);
   // Load the constructor of a Map (equivalent to Map::GetConstructor()).
-  compiler::Node* LoadMapConstructor(compiler::Node* map);
+  Node* LoadMapConstructor(Node* map);
   // Check if the map is set for slow properties.
-  compiler::Node* IsDictionaryMap(compiler::Node* map);
+  Node* IsDictionaryMap(Node* map);
 
   // Load the hash field of a name as an uint32 value.
-  compiler::Node* LoadNameHashField(compiler::Node* name);
+  Node* LoadNameHashField(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.
-  compiler::Node* LoadNameHash(compiler::Node* name,
-                               Label* if_hash_not_computed = nullptr);
+  Node* LoadNameHash(Node* name, Label* if_hash_not_computed = nullptr);
 
   // Load length field of a String object.
-  compiler::Node* LoadStringLength(compiler::Node* object);
+  Node* LoadStringLength(Node* object);
   // Load value field of a JSValue object.
-  compiler::Node* LoadJSValueValue(compiler::Node* object);
+  Node* LoadJSValueValue(Node* object);
   // Load value field of a WeakCell object.
-  compiler::Node* LoadWeakCellValueUnchecked(compiler::Node* weak_cell);
-  compiler::Node* LoadWeakCellValue(compiler::Node* weak_cell,
-                                    Label* if_cleared = nullptr);
+  Node* LoadWeakCellValueUnchecked(Node* weak_cell);
+  Node* LoadWeakCellValue(Node* weak_cell, Label* if_cleared = nullptr);
 
   // Load an array element from a FixedArray.
-  compiler::Node* LoadFixedArrayElement(
-      compiler::Node* object, compiler::Node* index, int additional_offset = 0,
+  Node* LoadFixedArrayElement(
+      Node* object, 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.
-  compiler::Node* LoadAndUntagToWord32FixedArrayElement(
-      compiler::Node* object, compiler::Node* index, int additional_offset = 0,
+  Node* LoadAndUntagToWord32FixedArrayElement(
+      Node* object, Node* index, int additional_offset = 0,
       ParameterMode parameter_mode = INTEGER_PARAMETERS);
   // Load an array element from a FixedDoubleArray.
-  compiler::Node* LoadFixedDoubleArrayElement(
-      compiler::Node* object, compiler::Node* index, MachineType machine_type,
+  Node* LoadFixedDoubleArrayElement(
+      Node* object, Node* index, MachineType machine_type,
       int additional_offset = 0,
       ParameterMode parameter_mode = INTEGER_PARAMETERS,
       Label* if_hole = nullptr);
 
   // 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.
-  compiler::Node* LoadDoubleWithHoleCheck(
-      compiler::Node* base, compiler::Node* offset, Label* if_hole,
+  Node* LoadDoubleWithHoleCheck(
+      Node* base, Node* offset, Label* if_hole,
       MachineType machine_type = MachineType::Float64());
-  compiler::Node* LoadFixedTypedArrayElement(
-      compiler::Node* data_pointer, compiler::Node* index_node,
-      ElementsKind elements_kind,
+  Node* LoadFixedTypedArrayElement(
+      Node* data_pointer, Node* index_node, ElementsKind elements_kind,
       ParameterMode parameter_mode = INTEGER_PARAMETERS);
 
   // Context manipulation
-  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);
+  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);
 
-  compiler::Node* LoadJSArrayElementsMap(ElementsKind kind,
-                                         compiler::Node* native_context);
+  Node* LoadJSArrayElementsMap(ElementsKind kind, Node* native_context);
 
   // Store the floating point value of a HeapNumber.
-  compiler::Node* StoreHeapNumberValue(compiler::Node* object,
-                                       compiler::Node* value);
+  Node* StoreHeapNumberValue(Node* object, Node* value);
   // Store a field to an object on the heap.
-  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,
+  Node* StoreObjectField(Node* object, int offset, Node* value);
+  Node* StoreObjectField(Node* object, Node* offset, Node* value);
+  Node* StoreObjectFieldNoWriteBarrier(
+      Node* object, int offset, Node* value,
       MachineRepresentation rep = MachineRepresentation::kTagged);
-  compiler::Node* StoreObjectFieldNoWriteBarrier(
-      compiler::Node* object, compiler::Node* offset, compiler::Node* value,
+  Node* StoreObjectFieldNoWriteBarrier(
+      Node* object, Node* offset, Node* value,
       MachineRepresentation rep = MachineRepresentation::kTagged);
   // Store the Map of an HeapObject.
-  compiler::Node* StoreMapNoWriteBarrier(compiler::Node* object,
-                                         compiler::Node* map);
-  compiler::Node* StoreObjectFieldRoot(compiler::Node* object, int offset,
-                                       Heap::RootListIndex root);
+  Node* StoreMapNoWriteBarrier(Node* object, Node* map);
+  Node* StoreObjectFieldRoot(Node* object, int offset,
+                             Heap::RootListIndex root);
   // Store an array element to a FixedArray.
-  compiler::Node* StoreFixedArrayElement(
-      compiler::Node* object, int index, compiler::Node* value,
+  Node* StoreFixedArrayElement(
+      Node* object, int index, Node* value,
       WriteBarrierMode barrier_mode = UPDATE_WRITE_BARRIER) {
     return StoreFixedArrayElement(object, IntPtrConstant(index), value,
                                   barrier_mode, 0, INTPTR_PARAMETERS);
   }
 
-  compiler::Node* StoreFixedArrayElement(
-      compiler::Node* object, compiler::Node* index, compiler::Node* value,
+  Node* StoreFixedArrayElement(
+      Node* object, Node* index, Node* value,
       WriteBarrierMode barrier_mode = UPDATE_WRITE_BARRIER,
       int additional_offset = 0,
       ParameterMode parameter_mode = INTEGER_PARAMETERS);
 
-  compiler::Node* StoreFixedDoubleArrayElement(
-      compiler::Node* object, compiler::Node* index, compiler::Node* value,
+  Node* StoreFixedDoubleArrayElement(
+      Node* object, Node* index, Node* value,
       ParameterMode parameter_mode = INTEGER_PARAMETERS);
 
-  void StoreFieldsNoWriteBarrier(compiler::Node* start_address,
-                                 compiler::Node* end_address,
-                                 compiler::Node* value);
+  void StoreFieldsNoWriteBarrier(Node* start_address, Node* end_address,
+                                 Node* value);
 
   // Allocate a HeapNumber without initializing its value.
-  compiler::Node* AllocateHeapNumber(MutableMode mode = IMMUTABLE);
+  Node* AllocateHeapNumber(MutableMode mode = IMMUTABLE);
   // Allocate a HeapNumber with a specific value.
-  compiler::Node* AllocateHeapNumberWithValue(compiler::Node* value,
-                                              MutableMode mode = IMMUTABLE);
+  Node* AllocateHeapNumberWithValue(Node* value, MutableMode mode = IMMUTABLE);
   // Allocate a SeqOneByteString with the given length.
-  compiler::Node* AllocateSeqOneByteString(int length,
-                                           AllocationFlags flags = kNone);
-  compiler::Node* AllocateSeqOneByteString(
-      compiler::Node* context, compiler::Node* length,
-      ParameterMode mode = INTPTR_PARAMETERS, AllocationFlags flags = kNone);
+  Node* AllocateSeqOneByteString(int length, AllocationFlags flags = kNone);
+  Node* AllocateSeqOneByteString(Node* context, Node* length,
+                                 ParameterMode mode = INTPTR_PARAMETERS,
+                                 AllocationFlags flags = kNone);
   // Allocate a SeqTwoByteString with the given length.
-  compiler::Node* AllocateSeqTwoByteString(int length,
-                                           AllocationFlags flags = kNone);
-  compiler::Node* AllocateSeqTwoByteString(
-      compiler::Node* context, compiler::Node* length,
-      ParameterMode mode = INTPTR_PARAMETERS, AllocationFlags flags = kNone);
+  Node* AllocateSeqTwoByteString(int length, AllocationFlags flags = kNone);
+  Node* AllocateSeqTwoByteString(Node* context, 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.
-  compiler::Node* AllocateSlicedOneByteString(compiler::Node* length,
-                                              compiler::Node* parent,
-                                              compiler::Node* offset);
+  Node* AllocateSlicedOneByteString(Node* length, Node* parent, Node* offset);
   // Allocate a SlicedTwoByteString with the given length, parent and offset.
   // |length| and |offset| are expected to be tagged.
-  compiler::Node* AllocateSlicedTwoByteString(compiler::Node* length,
-                                              compiler::Node* parent,
-                                              compiler::Node* offset);
+  Node* AllocateSlicedTwoByteString(Node* length, Node* parent, 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.
-  compiler::Node* AllocateOneByteConsString(compiler::Node* length,
-                                            compiler::Node* first,
-                                            compiler::Node* second,
-                                            AllocationFlags flags = kNone);
+  Node* AllocateOneByteConsString(Node* length, Node* first, 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.
-  compiler::Node* AllocateTwoByteConsString(compiler::Node* length,
-                                            compiler::Node* first,
-                                            compiler::Node* second,
-                                            AllocationFlags flags = kNone);
+  Node* AllocateTwoByteConsString(Node* length, Node* first, Node* second,
+                                  AllocationFlags flags = kNone);
 
   // Allocate an appropriate one- or two-byte ConsString with the first and
   // second parts specified by |first| and |second|.
-  compiler::Node* NewConsString(compiler::Node* context, compiler::Node* length,
-                                compiler::Node* left, compiler::Node* right,
-                                AllocationFlags flags = kNone);
+  Node* NewConsString(Node* context, Node* length, Node* left, 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.
-  compiler::Node* AllocateRegExpResult(compiler::Node* context,
-                                       compiler::Node* length,
-                                       compiler::Node* index,
-                                       compiler::Node* input);
+  Node* AllocateRegExpResult(Node* context, Node* length, Node* index,
+                             Node* input);
 
-  compiler::Node* AllocateNameDictionary(int capacity);
-  compiler::Node* AllocateNameDictionary(compiler::Node* capacity);
+  Node* AllocateNameDictionary(int capacity);
+  Node* AllocateNameDictionary(Node* capacity);
 
-  compiler::Node* AllocateJSObjectFromMap(compiler::Node* map,
-                                          compiler::Node* properties = nullptr,
-                                          compiler::Node* elements = nullptr);
+  Node* AllocateJSObjectFromMap(Node* map, Node* properties = nullptr,
+                                Node* elements = nullptr);
 
-  void InitializeJSObjectFromMap(compiler::Node* object, compiler::Node* map,
-                                 compiler::Node* size,
-                                 compiler::Node* properties = nullptr,
-                                 compiler::Node* elements = nullptr);
+  void InitializeJSObjectFromMap(Node* object, Node* map, Node* size,
+                                 Node* properties = nullptr,
+                                 Node* elements = nullptr);
 
-  void InitializeJSObjectBody(compiler::Node* object, compiler::Node* map,
-                              compiler::Node* size,
+  void InitializeJSObjectBody(Node* object, Node* map, Node* size,
                               int start_offset = JSObject::kHeaderSize);
 
   // Allocate a JSArray without elements and initialize the header fields.
-  compiler::Node* AllocateUninitializedJSArrayWithoutElements(
-      ElementsKind kind, compiler::Node* array_map, compiler::Node* length,
-      compiler::Node* allocation_site);
+  Node* AllocateUninitializedJSArrayWithoutElements(ElementsKind kind,
+                                                    Node* array_map,
+                                                    Node* length,
+                                                    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<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);
+  std::pair<Node*, Node*> AllocateUninitializedJSArrayWithElements(
+      ElementsKind kind, Node* array_map, Node* length, Node* allocation_site,
+      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.
-  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);
+  Node* AllocateJSArray(ElementsKind kind, Node* array_map, Node* capacity,
+                        Node* length, Node* allocation_site = nullptr,
+                        ParameterMode capacity_mode = INTEGER_PARAMETERS);
 
-  compiler::Node* AllocateFixedArray(ElementsKind kind,
-                                     compiler::Node* capacity,
-                                     ParameterMode mode = INTEGER_PARAMETERS,
-                                     AllocationFlags flags = kNone);
+  Node* AllocateFixedArray(ElementsKind kind, Node* capacity,
+                           ParameterMode mode = INTEGER_PARAMETERS,
+                           AllocationFlags flags = kNone);
 
   // Perform CreateArrayIterator (ES6 #sec-createarrayiterator).
-  compiler::Node* CreateArrayIterator(compiler::Node* array,
-                                      compiler::Node* array_map,
-                                      compiler::Node* array_type,
-                                      compiler::Node* context,
-                                      IterationKind mode);
+  Node* CreateArrayIterator(Node* array, Node* array_map, Node* array_type,
+                            Node* context, IterationKind mode);
 
-  compiler::Node* AllocateJSArrayIterator(compiler::Node* array,
-                                          compiler::Node* array_map,
-                                          compiler::Node* map);
+  Node* AllocateJSArrayIterator(Node* array, Node* array_map, Node* map);
 
-  void FillFixedArrayWithValue(ElementsKind kind, compiler::Node* array,
-                               compiler::Node* from_index,
-                               compiler::Node* to_index,
+  void FillFixedArrayWithValue(ElementsKind kind, Node* array, Node* from_index,
+                               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, compiler::Node* from_array, compiler::Node* to_array,
-      compiler::Node* length,
+      ElementsKind kind, Node* from_array, Node* to_array, Node* length,
       WriteBarrierMode barrier_mode = UPDATE_WRITE_BARRIER,
       ParameterMode mode = INTEGER_PARAMETERS) {
     CopyFixedArrayElements(kind, from_array, kind, to_array, length, length,
                            barrier_mode, mode);
   }
 
   // Copies |element_count| elements from |from_array| to |to_array| of
   // |capacity| size respecting both array's elements kinds.
   void CopyFixedArrayElements(
-      ElementsKind from_kind, compiler::Node* from_array, ElementsKind to_kind,
-      compiler::Node* to_array, compiler::Node* element_count,
-      compiler::Node* capacity,
+      ElementsKind from_kind, Node* from_array, ElementsKind to_kind,
+      Node* to_array, Node* element_count, Node* capacity,
       WriteBarrierMode barrier_mode = UPDATE_WRITE_BARRIER,
       ParameterMode mode = INTEGER_PARAMETERS);
 
   // Copies |character_count| elements from |from_string| to |to_string|
   // starting at the |from_index|'th character. |from_string| and |to_string|
   // can either be one-byte strings or two-byte strings, although if
   // |from_string| is two-byte, then |to_string| must be two-byte.
   // |from_index|, |to_index| and |character_count| must be either Smis or
   // 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(compiler::Node* from_string,
-                            compiler::Node* to_string,
-                            compiler::Node* from_index,
-                            compiler::Node* to_index,
-                            compiler::Node* character_count,
+  void CopyStringCharacters(Node* from_string, Node* to_string,
+                            Node* from_index, Node* to_index,
+                            Node* character_count,
                             String::Encoding from_encoding,
                             String::Encoding to_encoding, ParameterMode mode);
 
   // Loads an element from |array| of |from_kind| elements by given |offset|
   // (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.
-  compiler::Node* LoadElementAndPrepareForStore(compiler::Node* array,
-                                                compiler::Node* offset,
-                                                ElementsKind from_kind,
-                                                ElementsKind to_kind,
-                                                Label* if_hole);
+  Node* LoadElementAndPrepareForStore(Node* array, Node* offset,
+                                      ElementsKind from_kind,
+                                      ElementsKind to_kind, Label* if_hole);
 
-  compiler::Node* CalculateNewElementsCapacity(
-      compiler::Node* old_capacity, ParameterMode mode = INTEGER_PARAMETERS);
+  Node* CalculateNewElementsCapacity(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.
-  compiler::Node* TryGrowElementsCapacity(compiler::Node* object,
-                                          compiler::Node* elements,
-                                          ElementsKind kind,
-                                          compiler::Node* key, Label* bailout);
+  Node* TryGrowElementsCapacity(Node* object, Node* elements, ElementsKind kind,
+                                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.
-  compiler::Node* TryGrowElementsCapacity(compiler::Node* object,
-                                          compiler::Node* elements,
-                                          ElementsKind kind,
-                                          compiler::Node* key,
-                                          compiler::Node* capacity,
-                                          ParameterMode mode, Label* bailout);
+  Node* TryGrowElementsCapacity(Node* object, Node* elements, ElementsKind kind,
+                                Node* key, Node* capacity, ParameterMode mode,
+                                Label* bailout);
 
   // Grows elements capacity of given object. Returns new elements.
-  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);
+  Node* GrowElementsCapacity(Node* object, Node* elements,
+                             ElementsKind from_kind, ElementsKind to_kind,
+                             Node* capacity, Node* new_capacity,
+                             ParameterMode mode, Label* bailout);
 
   // Allocation site manipulation
-  void InitializeAllocationMemento(compiler::Node* base_allocation,
+  void InitializeAllocationMemento(Node* base_allocation,
                                    int base_allocation_size,
-                                   compiler::Node* allocation_site);
+                                   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);
+  Node* TryTaggedToFloat64(Node* value, Label* if_valueisnotnumber);
+  Node* TruncateTaggedToFloat64(Node* context, Node* value);
+  Node* TruncateTaggedToWord32(Node* context, Node* value);
   // Truncate the floating point value of a HeapNumber to an Int32.
-  compiler::Node* TruncateHeapNumberValueToWord32(compiler::Node* object);
+  Node* TruncateHeapNumberValueToWord32(Node* object);
 
   // Conversions.
-  compiler::Node* ChangeFloat64ToTagged(compiler::Node* value);
-  compiler::Node* ChangeInt32ToTagged(compiler::Node* value);
-  compiler::Node* ChangeUint32ToTagged(compiler::Node* value);
+  Node* ChangeFloat64ToTagged(Node* value);
+  Node* ChangeInt32ToTagged(Node* value);
+  Node* ChangeUint32ToTagged(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.
-  compiler::Node* ToThisString(compiler::Node* context, compiler::Node* value,
-                               char const* method_name);
+  Node* ToThisString(Node* context, 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.
-  compiler::Node* ToThisValue(compiler::Node* context, compiler::Node* value,
-                              PrimitiveType primitive_type,
-                              char const* method_name);
+  Node* ToThisValue(Node* context, 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.
-  compiler::Node* ThrowIfNotInstanceType(compiler::Node* context,
-                                         compiler::Node* value,
-                                         InstanceType instance_type,
-                                         char const* method_name);
+  Node* ThrowIfNotInstanceType(Node* context, 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.
-  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);
+  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);
 
   // ElementsKind helpers:
-  compiler::Node* IsFastElementsKind(compiler::Node* elements_kind);
-  compiler::Node* IsHoleyFastElementsKind(compiler::Node* elements_kind);
+  Node* IsFastElementsKind(Node* elements_kind);
+  Node* IsHoleyFastElementsKind(Node* elements_kind);
 
   // String helpers.
   // Load a character from a String (might flatten a ConsString).
-  compiler::Node* StringCharCodeAt(compiler::Node* string,
-                                   compiler::Node* smi_index);
+  Node* StringCharCodeAt(Node* string, Node* smi_index);
   // Return the single character string with only {code}.
-  compiler::Node* StringFromCharCode(compiler::Node* code);
+  Node* StringFromCharCode(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.
-  compiler::Node* SubString(compiler::Node* context, compiler::Node* string,
-                            compiler::Node* from, compiler::Node* to);
+  Node* SubString(Node* context, Node* string, Node* from, Node* to);
 
   // Return a new string object produced by concatenating |first| with |second|.
-  compiler::Node* StringAdd(compiler::Node* context, compiler::Node* first,
-                            compiler::Node* second,
-                            AllocationFlags flags = kNone);
+  Node* StringAdd(Node* context, Node* first, 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.
-  compiler::Node* StringIndexOfChar(compiler::Node* context,
-                                    compiler::Node* string,
-                                    compiler::Node* needle_char,
-                                    compiler::Node* from);
+  Node* StringIndexOfChar(Node* context, Node* string, Node* needle_char,
+                          Node* from);
 
-  compiler::Node* StringFromCodePoint(compiler::Node* codepoint,
-                                      UnicodeEncoding encoding);
+  Node* StringFromCodePoint(Node* codepoint, UnicodeEncoding encoding);
 
   // Type conversion helpers.
   // Convert a String to a Number.
-  compiler::Node* StringToNumber(compiler::Node* context,
-                                 compiler::Node* input);
-  compiler::Node* NumberToString(compiler::Node* context,
-                                 compiler::Node* input);
+  Node* StringToNumber(Node* context, Node* input);
+  Node* NumberToString(Node* context, Node* input);
   // Convert an object to a name.
-  compiler::Node* ToName(compiler::Node* context, compiler::Node* input);
+  Node* ToName(Node* context, Node* input);
   // Convert a Non-Number object to a Number.
-  compiler::Node* NonNumberToNumber(compiler::Node* context,
-                                    compiler::Node* input);
+  Node* NonNumberToNumber(Node* context, Node* input);
   // Convert any object to a Number.
-  compiler::Node* ToNumber(compiler::Node* context, compiler::Node* input);
+  Node* ToNumber(Node* context, Node* input);
 
   // Convert any object to a String.
-  compiler::Node* ToString(compiler::Node* context, compiler::Node* input);
+  Node* ToString(Node* context, Node* input);
 
   // Convert any object to a Primitive.
-  compiler::Node* JSReceiverToPrimitive(compiler::Node* context,
-                                        compiler::Node* input);
+  Node* JSReceiverToPrimitive(Node* context, Node* input);
 
   // Convert a String to a flat String.
-  compiler::Node* FlattenString(compiler::Node* string);
+  Node* FlattenString(Node* string);
 
   enum ToIntegerTruncationMode {
     kNoTruncation,
     kTruncateMinusZero,
   };
 
   // Convert any object to an Integer.
-  compiler::Node* ToInteger(compiler::Node* context, compiler::Node* input,
-                            ToIntegerTruncationMode mode = kNoTruncation);
+  Node* ToInteger(Node* context, 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>
-  compiler::Node* DecodeWord32(compiler::Node* word32) {
+  Node* DecodeWord32(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>
-  compiler::Node* DecodeWord(compiler::Node* word) {
+  Node* DecodeWord(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>
-  compiler::Node* DecodeWordFromWord32(compiler::Node* word32) {
+  Node* DecodeWordFromWord32(Node* word32) {
     return DecodeWord<T>(ChangeUint32ToWord(word32));
   }
 
   // Decodes an unsigned (!) value from |word32| to an uint32 node.
-  compiler::Node* DecodeWord32(compiler::Node* word32, uint32_t shift,
-                               uint32_t mask);
+  Node* DecodeWord32(Node* word32, uint32_t shift, uint32_t mask);
 
   // Decodes an unsigned (!) value from |word| to a word-size node.
-  compiler::Node* DecodeWord(compiler::Node* word, uint32_t shift,
-                             uint32_t mask);
+  Node* DecodeWord(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>
-  compiler::Node* IsSetWord32(compiler::Node* word32) {
+  Node* IsSetWord32(Node* word32) {
     return IsSetWord32(word32, T::kMask);
   }
 
   // Returns true if any of the mask's bits in given |word32| are set.
-  compiler::Node* IsSetWord32(compiler::Node* word32, uint32_t mask) {
+  Node* IsSetWord32(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>
-  compiler::Node* IsSetWord(compiler::Node* word) {
+  Node* IsSetWord(Node* word) {
     return WordNotEqual(WordAnd(word, IntPtrConstant(T::kMask)),
                         IntPtrConstant(0));
   }
 
   void SetCounter(StatsCounter* counter, int value);
   void IncrementCounter(StatsCounter* counter, int delta);
   void DecrementCounter(StatsCounter* counter, int delta);
 
   // Generates "if (false) goto label" code. Useful for marking a label as
   // "live" to avoid assertion failures during graph building. In the resulting
   // code this check will be eliminated.
   void Use(Label* label);
 
   // Various building blocks for stubs doing property lookups.
-  void TryToName(compiler::Node* key, Label* if_keyisindex, Variable* var_index,
+  void TryToName(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>
-  compiler::Node* EntryToIndex(compiler::Node* entry, int field_index);
+  Node* EntryToIndex(Node* entry, int field_index);
   template <typename Dictionary>
-  compiler::Node* EntryToIndex(compiler::Node* entry) {
+  Node* EntryToIndex(Node* entry) {
     return EntryToIndex<Dictionary>(entry, Dictionary::kEntryKeyIndex);
   }
   // Calculate a valid size for the a hash table.
-  compiler::Node* HashTableComputeCapacity(compiler::Node* at_least_space_for);
+  Node* HashTableComputeCapacity(Node* at_least_space_for);
 
   template <class Dictionary>
-  compiler::Node* GetNumberOfElements(compiler::Node* dictionary);
+  Node* GetNumberOfElements(Node* dictionary);
 
   template <class Dictionary>
-  void SetNumberOfElements(compiler::Node* dictionary,
-                           compiler::Node* num_elements_smi);
+  void SetNumberOfElements(Node* dictionary, Node* num_elements_smi);
 
   template <class Dictionary>
-  compiler::Node* GetNumberOfDeletedElements(compiler::Node* dictionary);
+  Node* GetNumberOfDeletedElements(Node* dictionary);
 
   template <class Dictionary>
-  compiler::Node* GetCapacity(compiler::Node* dictionary);
+  Node* GetCapacity(Node* dictionary);
 
   template <class Dictionary>
-  compiler::Node* GetNextEnumerationIndex(compiler::Node* dictionary);
+  Node* GetNextEnumerationIndex(Node* dictionary);
 
   template <class Dictionary>
-  void SetNextEnumerationIndex(compiler::Node* dictionary,
-                               compiler::Node* next_enum_index_smi);
+  void SetNextEnumerationIndex(Node* dictionary, 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
   // key field of the entry found. If the key is not found control goes to
   // {if_not_found}.
   static const int kInlinedDictionaryProbes = 4;
   enum LookupMode { kFindExisting, kFindInsertionIndex };
   template <typename Dictionary>
-  void NameDictionaryLookup(compiler::Node* dictionary,
-                            compiler::Node* unique_name, Label* if_found,
-                            Variable* var_name_index, Label* if_not_found,
+  void NameDictionaryLookup(Node* dictionary, Node* unique_name,
+                            Label* if_found, Variable* var_name_index,
+                            Label* if_not_found,
                             int inlined_probes = kInlinedDictionaryProbes,
                             LookupMode mode = kFindExisting);
 
-  compiler::Node* ComputeIntegerHash(compiler::Node* key, compiler::Node* seed);
+  Node* ComputeIntegerHash(Node* key, Node* seed);
 
   template <typename Dictionary>
-  void NumberDictionaryLookup(compiler::Node* dictionary,
-                              compiler::Node* intptr_index, Label* if_found,
-                              Variable* var_entry, Label* if_not_found);
+  void NumberDictionaryLookup(Node* dictionary, Node* intptr_index,
+                              Label* if_found, Variable* var_entry,
+                              Label* if_not_found);
 
   template <class Dictionary>
-  void FindInsertionEntry(compiler::Node* dictionary, compiler::Node* key,
-                          Variable* var_key_index);
+  void FindInsertionEntry(Node* dictionary, Node* key, Variable* var_key_index);
 
   template <class Dictionary>
-  void InsertEntry(compiler::Node* dictionary, compiler::Node* key,
-                   compiler::Node* value, compiler::Node* index,
-                   compiler::Node* enum_index);
+  void InsertEntry(Node* dictionary, Node* key, Node* value, Node* index,
+                   Node* enum_index);
 
   template <class Dictionary>
-  void Add(compiler::Node* dictionary, compiler::Node* key,
-           compiler::Node* value, Label* bailout);
+  void Add(Node* dictionary, Node* key, Node* value, Label* bailout);
 
   // Tries to check if {object} has own {unique_name} property.
-  void TryHasOwnProperty(compiler::Node* object, compiler::Node* map,
-                         compiler::Node* instance_type,
-                         compiler::Node* unique_name, Label* if_found,
+  void TryHasOwnProperty(Node* object, Node* map, Node* instance_type,
+                         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(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 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(compiler::Node* object, compiler::Node* map,
-                                  compiler::Node* descriptors,
-                                  compiler::Node* name_index,
-                                  Variable* var_details, Variable* var_value);
+  void LoadPropertyFromFastObject(Node* object, Node* map, Node* descriptors,
+                                  Node* name_index, Variable* var_details,
+                                  Variable* var_value);
 
-  void LoadPropertyFromNameDictionary(compiler::Node* dictionary,
-                                      compiler::Node* entry,
+  void LoadPropertyFromNameDictionary(Node* dictionary, Node* entry,
                                       Variable* var_details,
                                       Variable* var_value);
 
-  void LoadPropertyFromGlobalDictionary(compiler::Node* dictionary,
-                                        compiler::Node* entry,
+  void LoadPropertyFromGlobalDictionary(Node* dictionary, Node* entry,
                                         Variable* var_details,
                                         Variable* var_value, Label* if_deleted);
 
   // Generic property lookup generator. If the {object} is fast and
   // {unique_name} property is found then the control goes to {if_found_fast}
   // label and {var_meta_storage} and {var_name_index} will contain
   // DescriptorArray and an index of the descriptor's name respectively.
   // If the {object} is slow or global then the control goes to {if_found_dict}
   // or {if_found_global} and the {var_meta_storage} and {var_name_index} will
   // contain a dictionary and an index of the key field of the found entry.
   // If property is not found or given lookup is not supported then
   // the control goes to {if_not_found} or {if_bailout} respectively.
   //
   // Note: this code does not check if the global dictionary points to deleted
   // entry! This has to be done by the caller.
-  void TryLookupProperty(compiler::Node* object, compiler::Node* map,
-                         compiler::Node* instance_type,
-                         compiler::Node* unique_name, Label* if_found_fast,
+  void TryLookupProperty(Node* object, Node* map, Node* instance_type,
+                         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(compiler::Node* object, compiler::Node* map,
-                        compiler::Node* instance_type,
-                        compiler::Node* intptr_index, Label* if_found,
+  void TryLookupElement(Node* object, Node* map, Node* instance_type,
+                        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(compiler::Node* receiver, compiler::Node* holder,
-                             compiler::Node* map, compiler::Node* instance_type,
-                             compiler::Node* key, Label* next_holder,
+  typedef std::function<void(Node* receiver, Node* holder, Node* map,
+                             Node* instance_type, Node* key, Label* next_holder,
                              Label* if_bailout)>
       LookupInHolder;
 
   // Generic property prototype chain lookup generator.
   // For properties it generates lookup using given {lookup_property_in_holder}
   // and for elements it uses {lookup_element_in_holder}.
   // 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(compiler::Node* receiver, compiler::Node* key,
+  void TryPrototypeChainLookup(Node* receiver, 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)
-  compiler::Node* OrdinaryHasInstance(compiler::Node* context,
-                                      compiler::Node* callable,
-                                      compiler::Node* object);
+  Node* OrdinaryHasInstance(Node* context, Node* callable, Node* object);
 
   // Load type feedback vector from the stub caller's frame.
-  compiler::Node* LoadTypeFeedbackVectorForStub();
+  Node* LoadTypeFeedbackVectorForStub();
 
   // Update the type feedback vector.
-  void UpdateFeedback(compiler::Node* feedback,
-                      compiler::Node* type_feedback_vector,
-                      compiler::Node* slot_id);
+  void UpdateFeedback(Node* feedback, Node* type_feedback_vector,
+                      Node* slot_id);
 
-  compiler::Node* LoadReceiverMap(compiler::Node* receiver);
+  Node* LoadReceiverMap(Node* receiver);
 
   // Extends properties backing store by JSObject::kFieldsAdded elements.
-  void ExtendPropertiesBackingStore(compiler::Node* object);
+  void ExtendPropertiesBackingStore(Node* object);
 
-  compiler::Node* PrepareValueForWrite(compiler::Node* value,
-                                       Representation representation,
-                                       Label* bailout);
+  Node* PrepareValueForWrite(Node* value, Representation representation,
+                             Label* bailout);
 
-  void StoreNamedField(compiler::Node* object, FieldIndex index,
-                       Representation representation, compiler::Node* value,
+  void StoreNamedField(Node* object, FieldIndex index,
+                       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);
+  void StoreNamedField(Node* object, Node* offset, bool is_inobject,
+                       Representation representation, Node* value,
+                       bool transition_to_field);
 
   // Emits keyed sloppy arguments load. Returns either the loaded value.
-  compiler::Node* LoadKeyedSloppyArguments(compiler::Node* receiver,
-                                           compiler::Node* key,
-                                           Label* bailout) {
+  Node* LoadKeyedSloppyArguments(Node* receiver, Node* key, Label* bailout) {
     return EmitKeyedSloppyArguments(receiver, key, nullptr, bailout);
   }
 
   // Emits keyed sloppy arguments store.
-  void StoreKeyedSloppyArguments(compiler::Node* receiver, compiler::Node* key,
-                                 compiler::Node* value, Label* bailout) {
+  void StoreKeyedSloppyArguments(Node* receiver, Node* key, Node* value,
+                                 Label* bailout) {
     DCHECK_NOT_NULL(value);
     EmitKeyedSloppyArguments(receiver, key, value, bailout);
   }
 
   // Loads script context from the script context table.
-  compiler::Node* LoadScriptContext(compiler::Node* context, int context_index);
+  Node* LoadScriptContext(Node* context, int context_index);
 
-  compiler::Node* ClampedToUint8(compiler::Node* int32_value);
+  Node* ClampedToUint8(Node* int32_value);
 
   // Store value to an elements array with given elements kind.
-  void StoreElement(compiler::Node* elements, ElementsKind kind,
-                    compiler::Node* index, compiler::Node* value,
+  void StoreElement(Node* elements, ElementsKind kind, Node* index, Node* value,
                     ParameterMode mode);
 
-  void EmitElementStore(compiler::Node* object, compiler::Node* key,
-                        compiler::Node* value, bool is_jsarray,
+  void EmitElementStore(Node* object, Node* key, Node* value, bool is_jsarray,
                         ElementsKind elements_kind,
                         KeyedAccessStoreMode store_mode, Label* bailout);
 
-  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);
+  Node* CheckForCapacityGrow(Node* object, Node* elements, ElementsKind kind,
+                             Node* length, 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);
+  Node* CopyElementsOnWrite(Node* object, Node* elements, ElementsKind kind,
+                            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 TransitionElementsKind(Node* object, Node* map, ElementsKind from_kind,
+                              ElementsKind to_kind, bool is_jsarray,
+                              Label* bailout);
 
-  void TrapAllocationMemento(compiler::Node* object, Label* memento_found);
+  void TrapAllocationMemento(Node* object, Label* memento_found);
 
-  compiler::Node* PageFromAddress(compiler::Node* address);
+  Node* PageFromAddress(Node* address);
 
   // Get the enumerable length from |map| and return the result as a Smi.
-  compiler::Node* EnumLength(compiler::Node* map);
+  Node* EnumLength(Node* map);
 
   // Check the cache validity for |receiver|. Branch to |use_cache| if
   // the cache is valid, otherwise branch to |use_runtime|.
-  void CheckEnumCache(compiler::Node* receiver,
-                      CodeStubAssembler::Label* use_cache,
+  void CheckEnumCache(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.
-  compiler::Node* CreateWeakCellInFeedbackVector(
-      compiler::Node* feedback_vector, compiler::Node* slot,
-      compiler::Node* value);
+  Node* CreateWeakCellInFeedbackVector(Node* feedback_vector, Node* slot,
+                                       Node* value);
 
   // Create a new AllocationSite and install it into a feedback vector.
-  compiler::Node* CreateAllocationSiteInFeedbackVector(
-      compiler::Node* feedback_vector, compiler::Node* slot);
+  Node* CreateAllocationSiteInFeedbackVector(Node* feedback_vector, Node* slot);
 
   enum class IndexAdvanceMode { kPre, kPost };
 
   void BuildFastLoop(
       const VariableList& var_list, MachineRepresentation index_rep,
-      compiler::Node* start_index, compiler::Node* end_index,
-      std::function<void(CodeStubAssembler* assembler, compiler::Node* index)>
-          body,
+      Node* start_index, Node* end_index,
+      std::function<void(CodeStubAssembler* assembler, Node* index)> body,
       int increment, IndexAdvanceMode mode = IndexAdvanceMode::kPre);
 
   void BuildFastLoop(
-      MachineRepresentation index_rep, compiler::Node* start_index,
-      compiler::Node* end_index,
-      std::function<void(CodeStubAssembler* assembler, compiler::Node* index)>
-          body,
+      MachineRepresentation index_rep, Node* start_index, Node* end_index,
+      std::function<void(CodeStubAssembler* assembler, Node* index)> body,
       int increment, IndexAdvanceMode mode = IndexAdvanceMode::kPre) {
     BuildFastLoop(VariableList(0, zone()), index_rep, start_index, end_index,
                   body, increment, mode);
   }
 
   enum class ForEachDirection { kForward, kReverse };
 
   void BuildFastFixedArrayForEach(
-      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)>
+      Node* fixed_array, ElementsKind kind, Node* first_element_inclusive,
+      Node* last_element_exclusive,
+      std::function<void(CodeStubAssembler* assembler, Node* fixed_array,
+                         Node* offset)>
           body,
       ParameterMode mode = INTPTR_PARAMETERS,
       ForEachDirection direction = ForEachDirection::kReverse);
 
-  compiler::Node* GetArrayAllocationSize(compiler::Node* element_count,
-                                         ElementsKind kind, ParameterMode mode,
-                                         int header_size) {
+  Node* GetArrayAllocationSize(Node* element_count, ElementsKind kind,
+                               ParameterMode mode, int header_size) {
     return ElementOffsetFromIndex(element_count, kind, mode, header_size);
   }
 
-  compiler::Node* GetFixedArrayAllocationSize(compiler::Node* element_count,
-                                              ElementsKind kind,
-                                              ParameterMode mode) {
+  Node* GetFixedArrayAllocationSize(Node* element_count, ElementsKind kind,
+                                    ParameterMode mode) {
     return GetArrayAllocationSize(element_count, kind, mode,
                                   FixedArray::kHeaderSize);
   }
 
   enum RelationalComparisonMode {
     kLessThan,
     kLessThanOrEqual,
     kGreaterThan,
     kGreaterThanOrEqual
   };
 
-  compiler::Node* RelationalComparison(RelationalComparisonMode mode,
-                                       compiler::Node* lhs, compiler::Node* rhs,
-                                       compiler::Node* context);
+  Node* RelationalComparison(RelationalComparisonMode mode, Node* lhs,
+                             Node* rhs, Node* context);
 
   void BranchIfNumericRelationalComparison(RelationalComparisonMode mode,
-                                           compiler::Node* lhs,
-                                           compiler::Node* rhs, Label* if_true,
+                                           Node* lhs, Node* rhs, Label* if_true,
                                            Label* if_false);
 
-  void GotoUnlessNumberLessThan(compiler::Node* lhs, compiler::Node* rhs,
-                                Label* if_false);
+  void GotoUnlessNumberLessThan(Node* lhs, Node* rhs, Label* if_false);
 
   enum ResultMode { kDontNegateResult, kNegateResult };
 
-  compiler::Node* Equal(ResultMode mode, compiler::Node* lhs,
-                        compiler::Node* rhs, compiler::Node* context);
+  Node* Equal(ResultMode mode, Node* lhs, Node* rhs, Node* context);
 
-  compiler::Node* StrictEqual(ResultMode mode, compiler::Node* lhs,
-                              compiler::Node* rhs, compiler::Node* context);
+  Node* StrictEqual(ResultMode mode, Node* lhs, Node* rhs, 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).
-  compiler::Node* SameValue(compiler::Node* lhs, compiler::Node* rhs,
-                            compiler::Node* context);
+  Node* SameValue(Node* lhs, Node* rhs, Node* context);
 
-  compiler::Node* HasProperty(
-      compiler::Node* object, compiler::Node* key, compiler::Node* context,
+  Node* HasProperty(
+      Node* object, Node* key, Node* context,
       Runtime::FunctionId fallback_runtime_function_id = Runtime::kHasProperty);
-  compiler::Node* ForInFilter(compiler::Node* key, compiler::Node* object,
-                              compiler::Node* context);
+  Node* ForInFilter(Node* key, Node* object, Node* context);
 
-  compiler::Node* Typeof(compiler::Node* value, compiler::Node* context);
+  Node* Typeof(Node* value, Node* context);
 
-  compiler::Node* InstanceOf(compiler::Node* object, compiler::Node* callable,
-                             compiler::Node* context);
+  Node* InstanceOf(Node* object, Node* callable, Node* context);
 
   // Debug helpers
-  compiler::Node* IsDebugActive();
+  Node* IsDebugActive();
 
   // TypedArray/ArrayBuffer helpers
-  compiler::Node* IsDetachedBuffer(compiler::Node* buffer);
+  Node* IsDetachedBuffer(Node* buffer);
 
-  compiler::Node* ElementOffsetFromIndex(compiler::Node* index,
-                                         ElementsKind kind, ParameterMode mode,
-                                         int base_size = 0);
+  Node* ElementOffsetFromIndex(Node* index, ElementsKind kind,
+                               ParameterMode mode, int base_size = 0);
 
  protected:
-  void DescriptorLookupLinear(compiler::Node* unique_name,
-                              compiler::Node* descriptors, compiler::Node* nof,
+  void DescriptorLookupLinear(Node* unique_name, Node* descriptors, Node* nof,
                               Label* if_found, Variable* var_name_index,
                               Label* if_not_found);
 
-  compiler::Node* CallGetterIfAccessor(compiler::Node* value,
-                                       compiler::Node* details,
-                                       compiler::Node* context,
-                                       compiler::Node* receiver,
-                                       Label* if_bailout);
+  Node* CallGetterIfAccessor(Node* value, Node* details, Node* context,
+                             Node* receiver, Label* if_bailout);
 
-  compiler::Node* TryToIntptr(compiler::Node* key, Label* miss);
+  Node* TryToIntptr(Node* key, Label* miss);
 
-  void BranchIfPrototypesHaveNoElements(compiler::Node* receiver_map,
+  void BranchIfPrototypesHaveNoElements(Node* receiver_map,
                                         Label* definitely_no_elements,
                                         Label* possibly_elements);
 
  private:
   friend class CodeStubArguments;
 
-  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);
+  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);
   // Allocate and return a JSArray of given total size in bytes with header
   // fields initialized.
-  compiler::Node* AllocateUninitializedJSArray(ElementsKind kind,
-                                               compiler::Node* array_map,
-                                               compiler::Node* length,
-                                               compiler::Node* allocation_site,
-                                               compiler::Node* size_in_bytes);
+  Node* AllocateUninitializedJSArray(ElementsKind kind, Node* array_map,
+                                     Node* length, Node* allocation_site,
+                                     Node* size_in_bytes);
 
-  compiler::Node* SmiShiftBitsConstant();
+  Node* SmiShiftBitsConstant();
 
   // Emits keyed sloppy arguments load if the |value| is nullptr or store
   // otherwise. Returns either the loaded value or |value|.
-  compiler::Node* EmitKeyedSloppyArguments(compiler::Node* receiver,
-                                           compiler::Node* key,
-                                           compiler::Node* value,
-                                           Label* bailout);
+  Node* EmitKeyedSloppyArguments(Node* receiver, Node* key, Node* value,
+                                 Label* bailout);
 
-  compiler::Node* AllocateSlicedString(Heap::RootListIndex map_root_index,
-                                       compiler::Node* length,
-                                       compiler::Node* parent,
-                                       compiler::Node* offset);
+  Node* AllocateSlicedString(Heap::RootListIndex map_root_index, Node* length,
+                             Node* parent, Node* offset);
 
-  compiler::Node* AllocateConsString(Heap::RootListIndex map_root_index,
-                                     compiler::Node* length,
-                                     compiler::Node* first,
-                                     compiler::Node* second,
-                                     AllocationFlags flags);
+  Node* AllocateConsString(Heap::RootListIndex map_root_index, Node* length,
+                           Node* first, 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, compiler::Node* argc,
+  CodeStubArguments(CodeStubAssembler* assembler, Node* argc,
                     CodeStubAssembler::ParameterMode mode =
                         CodeStubAssembler::INTPTR_PARAMETERS);
 
-  compiler::Node* GetReceiver();
+  Node* GetReceiver();
 
   // |index| is zero-based and does not include the receiver
-  compiler::Node* AtIndex(compiler::Node* index,
-                          CodeStubAssembler::ParameterMode mode =
-                              CodeStubAssembler::INTPTR_PARAMETERS);
+  Node* AtIndex(Node* index, CodeStubAssembler::ParameterMode mode =
+                                 CodeStubAssembler::INTPTR_PARAMETERS);
 
-  compiler::Node* AtIndex(int index);
+  Node* AtIndex(int index);
 
-  typedef std::function<void(CodeStubAssembler* assembler, compiler::Node* arg)>
+  typedef std::function<void(CodeStubAssembler* assembler, Node* arg)>
       ForEachBodyFunction;
 
   // Iteration doesn't include the receiver. |first| and |last| are zero-based.
-  void ForEach(ForEachBodyFunction body, compiler::Node* first = nullptr,
-               compiler::Node* last = nullptr,
-               CodeStubAssembler::ParameterMode mode =
-                   CodeStubAssembler::INTPTR_PARAMETERS) {
+  void ForEach(ForEachBodyFunction body, Node* first = nullptr,
+               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, compiler::Node* first = nullptr,
-               compiler::Node* last = nullptr,
-               CodeStubAssembler::ParameterMode mode =
-                   CodeStubAssembler::INTPTR_PARAMETERS);
+               ForEachBodyFunction body, Node* first = nullptr,
+               Node* last = nullptr, CodeStubAssembler::ParameterMode mode =
+                                         CodeStubAssembler::INTPTR_PARAMETERS);
 
-  void PopAndReturn(compiler::Node* value);
+  void PopAndReturn(Node* value);
 
  private:
-  compiler::Node* GetArguments();
+  Node* GetArguments();
 
   CodeStubAssembler* assembler_;
-  compiler::Node* argc_;
-  compiler::Node* arguments_;
-  compiler::Node* fp_;
+  Node* argc_;
+  Node* arguments_;
+  Node* fp_;
 };
 
 #ifdef DEBUG
 #define CSA_ASSERT(csa, x) \
   (csa)->Assert([&] { return (x); }, #x, __FILE__, __LINE__)
 #else
 #define CSA_ASSERT(csa, x) ((void)0)
 #endif
 
 #ifdef ENABLE_SLOW_DCHECKS
 #define CSA_SLOW_ASSERT(csa, x)                                 \
   if (FLAG_enable_slow_asserts) {                               \
     (csa)->Assert([&] { return (x); }, #x, __FILE__, __LINE__); \
   }
 #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_