Implement lowering of JS[Load,Store][Property,Named] to ICs.

src/compiler/ast-graph-builder.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/ast-graph-builder.h"
 
 #include "src/compiler.h"
 #include "src/compiler/control-builders.h"
 #include "src/compiler/node-properties.h"
 #include "src/compiler/node-properties-inl.h"
@@ skipping 1774 matching lines @@
 }
 
 
 Node* AstGraphBuilder::BuildVariableAssignment(Variable* variable, Node* value,
                                                Token::Value op) {
   Node* the_hole = jsgraph()->TheHoleConstant();
   VariableMode mode = variable->mode();
   switch (variable->location()) {
     case Variable::UNALLOCATED: {
       // Global var, const, or let variable.
-      if (!info()->is_native()) {
-        // TODO(turbofan): This special case is needed only because we don't
-        // use StoreICs yet. Remove this once StoreNamed is lowered to an IC.
-        Node* name = jsgraph()->Constant(variable->name());
-        Node* strict = jsgraph()->Constant(strict_mode());
-        Operator* op = javascript()->Runtime(Runtime::kStoreLookupSlot, 4);
-        return NewNode(op, value, current_context(), name, strict);
-      }
       Node* global = BuildLoadGlobalObject();
       PrintableUnique<Name> name = MakeUnique(variable->name());
       Operator* op = javascript()->StoreNamed(name);
       return NewNode(op, global, value);
     }
     case Variable::PARAMETER:
     case Variable::LOCAL:
       // Local var, const, or let variable.
       if (mode == CONST_LEGACY && op == Token::INIT_CONST_LEGACY) {
         // Perform an initialization check for legacy const variables.
@@ skipping 164 matching lines @@
 
     // Continue with the original environment.
     set_environment(continuation_env);
 
     NewNode(common()->Continuation());
   }
 }
 }
 }
 }  // namespace v8::internal::compiler