Switch inlining to use simplified instead of machine loads.

src/compiler/js-inlining.cc

 // Copyright 2014 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/access-builder.h"
 #include "src/compiler/ast-graph-builder.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/generic-node-inl.h"
 #include "src/compiler/graph-inl.h"
 #include "src/compiler/graph-visualizer.h"
 #include "src/compiler/js-inlining.h"
 #include "src/compiler/js-operator.h"
 #include "src/compiler/node-aux-data-inl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties-inl.h"
@@ skipping 205 matching lines @@
 };
 
 
 void Inlinee::InlineAtCall(JSGraph* jsgraph, Node* call) {
   // The scheduler is smart enough to place our code; we just ensure {control}
   // becomes the control input of the start of the inlinee.
   Node* control = NodeProperties::GetControlInput(call);
 
   // The inlinee uses the context from the JSFunction object. This will
   // also be the effect dependency for the inlinee as it produces an effect.
-  // TODO(sigurds) Use simplified load once it is ready.
+  SimplifiedOperatorBuilder simplified(jsgraph->zone());
   Node* context = jsgraph->graph()->NewNode(
-      jsgraph->machine()->Load(kMachAnyTagged),
+      simplified.LoadField(AccessBuilder::ForJSFunctionContext()),
       NodeProperties::GetValueInput(call, 0),
-      jsgraph->Int32Constant(JSFunction::kContextOffset - kHeapObjectTag),
       NodeProperties::GetEffectInput(call));
 
   // {inlinee_inputs} counts JSFunction, Receiver, arguments, context,
   // but not effect, control.
   int inlinee_inputs = start_->op()->OutputCount();
   // Context is last argument.
   int inlinee_context_index = inlinee_inputs - 1;
   // {inliner_inputs} counts JSFunction, Receiver, arguments, but not
   // context, effect, control.
   int inliner_inputs = OperatorProperties::GetValueInputCount(call->op());
@@ skipping 105 matching lines @@
 
   CopyVisitor visitor(&graph, jsgraph_->graph(), info.zone());
   visitor.CopyGraph();
 
   Inlinee inlinee(visitor.GetCopy(graph.start()), visitor.GetCopy(graph.end()));
   inlinee.InlineAtCall(jsgraph_, call);
 }
 }
 }
 }  // namespace v8::internal::compiler