[stubs] Call interface descriptors cleanup.

src/compiler/node.cc

 // 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.
 
 #include "src/compiler/node.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
@@ skipping 175 matching lines @@
   DCHECK_LE(0, index);
   DCHECK_LT(index, InputCount());
   AppendInput(zone, InputAt(InputCount() - 1));
   for (int i = InputCount() - 1; i > index; --i) {
     ReplaceInput(i, InputAt(i - 1));
   }
   ReplaceInput(index, new_to);
   Verify();
 }
 
+void Node::InsertInputs(Zone* zone, int index, int count) {
+  DCHECK_NOT_NULL(zone);
+  DCHECK_LE(0, index);
+  DCHECK_LT(0, count);
+  DCHECK_LT(index, InputCount());
+  for (int i = 0; i < count; i++) {
+    AppendInput(zone, InputAt(Max(InputCount() - count, 0)));
+  }
+  for (int i = InputCount() - count - 1; i >= Max(index, count); --i) {
+    ReplaceInput(i, InputAt(i - count));
+  }
+  for (int i = 0; i < count; i++) {
+    ReplaceInput(index + i, nullptr);
+  }
+  Verify();
+}
 
 void Node::RemoveInput(int index) {
   DCHECK_LE(0, index);
   DCHECK_LT(index, InputCount());
   for (; index < InputCount() - 1; ++index) {
     ReplaceInput(index, InputAt(index + 1));
   }
   TrimInputCount(InputCount() - 1);
   Verify();
 }
@@ skipping 210 matching lines @@
   ++(*this);
   return result;
 }
 
 
 bool Node::Uses::empty() const { return begin() == end(); }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8