Inline Array.prototype.forEach in TurboFan

src/compiler/js-call-reducer.h

Index: src/compiler/js-call-reducer.h
diff --git a/src/compiler/js-call-reducer.h b/src/compiler/js-call-reducer.h
index 31326084cc6b478c6263db5d2843b566d2f422c2..44328308d420d448dbc86300e4be87931fdc09de 100644
--- a/src/compiler/js-call-reducer.h
+++ b/src/compiler/js-call-reducer.h
@@ -6,6 +6,7 @@
 #define V8_COMPILER_JS_CALL_REDUCER_H_
 
 #include "src/base/flags.h"
+#include "src/builtins/builtins.h"
 #include "src/compiler/graph-reducer.h"
 
 namespace v8 {
@@ -21,16 +22,18 @@ namespace compiler {
 class CommonOperatorBuilder;
 class JSGraph;
 class JSOperatorBuilder;
+class MachineOperatorBuilder;
 class SimplifiedOperatorBuilder;
 
 // Performs strength reduction on {JSConstruct} and {JSCall} nodes,
 // which might allow inlining or other optimizations to be performed afterwards.
 class JSCallReducer final : public AdvancedReducer {
  public:
-  JSCallReducer(Editor* editor, JSGraph* jsgraph,
+  JSCallReducer(Editor* editor, JSGraph* jsgraph, Zone* local_zone,
                 Handle<Context> native_context,
                 CompilationDependencies* dependencies)
       : AdvancedReducer(editor),
+        local_zone_(local_zone),
         jsgraph_(jsgraph),
         native_context_(native_context),
         dependencies_(dependencies) {}
@@ -50,12 +53,21 @@ class JSCallReducer final : public AdvancedReducer {
   Reduction ReduceObjectGetPrototypeOf(Node* node);
   Reduction ReduceObjectPrototypeGetProto(Node* node);
   Reduction ReduceReflectGetPrototypeOf(Node* node);
+  Reduction ReduceArrayForEach(Handle<SharedFunctionInfo> shared, Node* node);
   Reduction ReduceSpreadCall(Node* node, int arity);
   Reduction ReduceJSConstruct(Node* node);
   Reduction ReduceJSConstructWithSpread(Node* node);
   Reduction ReduceJSCall(Node* node);
   Reduction ReduceJSCallWithSpread(Node* node);
 
+  enum CheckpointMode { CREATE_CHECKPOINT, DONT_CREATE_CHECKPOINT };
+
+  std::pair<Node*, Node*> CreateJavaScriptBuiltinContinuationFrameState(
+      Handle<SharedFunctionInfo> shared, Builtins::Name name, Node* target,
+      Node* context, Node** parameters, int parameter_count, Node* effect,
+      Node* control, Node* outer_frame_state, CheckpointMode mode);
+
+  Zone* const local_zone_;
   Graph* graph() const;
   JSGraph* jsgraph() const { return jsgraph_; }
   Isolate* isolate() const;