[turbofan] Allow indexed access to node inputs/input_edges

src/compiler/bytecode-graph-builder.cc

 // Copyright 2015 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/bytecode-graph-builder.h"
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/compilation-info.h"
 #include "src/compiler/compiler-source-position-table.h"
@@ skipping 330 matching lines @@
   Node* context = effect = graph()->NewNode(guard_op, Context(), effect, entry);
   SetContext(context);
   UpdateEffectDependency(effect);
 }
 
 bool BytecodeGraphBuilder::Environment::StateValuesRequireUpdate(
     Node** state_values, Node** values, int count) {
   if (*state_values == nullptr) {
     return true;
   }
-  DCHECK_EQ((*state_values)->InputCount(), count);
+  Node::Inputs inputs = (*state_values)->inputs();
+  DCHECK_EQ(inputs.count(), count);
   for (int i = 0; i < count; i++) {
-    if ((*state_values)->InputAt(i) != values[i]) {
+    if (inputs[i] != values[i]) {
       return true;
     }
   }
   return false;
 }
 
 void BytecodeGraphBuilder::Environment::PrepareForLoopExit(
     Node* loop, const BytecodeLoopAssignments& assignments) {
   DCHECK_EQ(loop->opcode(), IrOpcode::kLoop);
 
@@ skipping 1902 matching lines @@
         it->source_position().ScriptOffset(), start_position_.InliningId()));
     it->Advance();
   } else {
     DCHECK_GT(it->code_offset(), offset);
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8