Optimize Function.prototype.call

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index 74c19037dcfff752f0ee1e44692753801cd81c3d..4cfddd7123f830b96a6c5763d01bff62d17815cb 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -2321,8 +2321,16 @@ class HOptimizedGraphBuilder : public HGraphBuilder, public AstVisitor {
   void EnsureArgumentsArePushedForAccess();
   bool TryArgumentsAccess(Property* expr);
 
-  // Try to optimize fun.apply(receiver, arguments) pattern.
-  bool TryCallApply(Call* expr);
+  // Shared code for .call and .apply optimizations.
+  void HandleIndirectCall(Call* expr,
+                          HValue* function,
+                          int arguments_count,
+                          int drop_extra);
+  // Try to optimize indirect calls such as fun.apply(receiver, arguments)
+  // or fun.call(...).
+  bool TryIndirectCall(Call* expr);
+  void BuildFunctionApply(Call* expr);
+  void BuildFunctionCall(Call* expr);
 
   bool TryHandleArrayCall(Call* expr, HValue* function);
   bool TryHandleArrayCallNew(CallNew* expr, HValue* function);
@@ -2358,12 +2366,14 @@ class HOptimizedGraphBuilder : public HGraphBuilder, public AstVisitor {
                        BailoutId id,
                        BailoutId assignment_id,
                        HValue* implicit_return_value);
-  bool TryInlineApply(Handle<JSFunction> function,
-                      Call* expr,
-                      int arguments_count);
+  bool TryInlineIndirectCall(Handle<JSFunction> function,
+                             Call* expr,
+                             int arguments_count);
   bool TryInlineBuiltinMethodCall(Call* expr,
-                                  HValue* receiver,
-                                  Handle<Map> receiver_map);
+                                  Handle<JSFunction> function,
+                                  Handle<Map> receiver_map,
+                                  int args_count_no_receiver,
+                                  int drop_extra = 0);
   bool TryInlineBuiltinFunctionCall(Call* expr);
   enum ApiCallType {
     kCallApiFunction,