[Interpreter] Add CreateClosure to BytecodeGraphBuilder.

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/compiler/linkage.h"
+#include "src/compiler/node-matchers.h"

[mythria, 2015/11/24 13:07:28]

This may not be needed now.

[Michael Starzinger, 2015/11/24 13:51:24]

+1

 #include "src/compiler/operator-properties.h"
 #include "src/interpreter/bytecode-array-iterator.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 // Issues:
 // - Need to deal with FrameState / FrameStateBeforeAndAfter / StateValue.
 // - Scopes - intimately tied to AST. Need to eval what is needed.
@@ skipping 618 matching lines @@
 
 
 void BytecodeGraphBuilder::VisitPopContext(
     const interpreter::BytecodeArrayIterator& iterator) {
   UNIMPLEMENTED();
 }
 
 
 void BytecodeGraphBuilder::VisitCreateClosure(
     const interpreter::BytecodeArrayIterator& iterator) {
-  UNIMPLEMENTED();
+  Handle<SharedFunctionInfo> shared_info =
+      Handle<SharedFunctionInfo>::cast(iterator.GetConstantForIndexOperand(0));
+  PretenureFlag tenured =
+      iterator.GetImmediateOperand(1) ? TENURED : NOT_TENURED;
+  const Operator* op = javascript()->CreateClosure(shared_info, tenured);
+  Node* closure = NewNode(op);
+  AddEmptyFrameStateInputs(closure);
+  environment()->BindAccumulator(closure);
 }
 
 
+void BytecodeGraphBuilder::VisitCreateClosureWide(
+    const interpreter::BytecodeArrayIterator& iterator) {
+  VisitCreateClosure(iterator);
+}
+
+
 void BytecodeGraphBuilder::VisitCreateMappedArguments(
     const interpreter::BytecodeArrayIterator& iterator) {
   UNIMPLEMENTED();
 }
 
 
 void BytecodeGraphBuilder::VisitCreateUnmappedArguments(
     const interpreter::BytecodeArrayIterator& iterator) {
   UNIMPLEMENTED();
 }
@@ skipping 568 matching lines @@
 
 void BytecodeGraphBuilder::UpdateControlDependencyToLeaveFunction(Node* exit) {
   if (environment()->IsMarkedAsUnreachable()) return;
   environment()->MarkAsUnreachable();
   exit_controls_.push_back(exit);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8