[turbofan] Initial support for Array constructor specialization.

src/compiler/node-properties.h

 // Copyright 2013 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_COMPILER_NODE_PROPERTIES_H_
 #define V8_COMPILER_NODE_PROPERTIES_H_
 
 #include "src/compiler/node.h"
 #include "src/types.h"
 
@@ skipping 70 matching lines @@
 
   static void ReplaceValueInput(Node* node, Node* value, int index);
   static void ReplaceContextInput(Node* node, Node* context);
   static void ReplaceControlInput(Node* node, Node* control);
   static void ReplaceEffectInput(Node* node, Node* effect, int index = 0);
   static void ReplaceFrameStateInput(Node* node, int index, Node* frame_state);
   static void RemoveFrameStateInput(Node* node, int index);
   static void RemoveNonValueInputs(Node* node);
   static void RemoveValueInputs(Node* node);
 
+  // Replaces all value inputs of {node} with the single input {value}.
+  static void ReplaceValueInputs(Node* node, Node* value);
+
   // Merge the control node {node} into the end of the graph, introducing a
   // merge node or expanding an existing merge node if necessary.
   static void MergeControlToEnd(Graph* graph, CommonOperatorBuilder* common,
                                 Node* node);
 
   // Replace all uses of {node} with the given replacement nodes. All occurring
   // use kinds need to be replaced, {NULL} is only valid if a use kind is
   // guaranteed not to exist.
   static void ReplaceUses(Node* node, Node* value, Node* effect = nullptr,
                           Node* success = nullptr, Node* exception = nullptr);
@@ skipping 53 matching lines @@
 
  private:
   static inline bool IsInputRange(Edge edge, int first, int count);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_NODE_PROPERTIES_H_