[regexp] Add fast-path for global, callable replace

src/compiler/code-assembler.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/code-assembler.h"
 
 #include <ostream>
 
 #include "src/code-factory.h"
 #include "src/compiler/graph.h"
@@ skipping 883 matching lines @@
   args[0] = function;
   args[1] = Int32Constant(argc);
   args[2] = receiver;
   args[3] = arg1;
   args[4] = arg2;
   args[5] = context;
 
   return CallStubN(callable.descriptor(), argc + 1, target, args, result_size);
 }
 
+Node* CodeAssembler::CallJS(Callable const& callable, Node* context,
+                            Node* function, Node* receiver, Node* arg1,
+                            Node* arg2, Node* arg3, size_t result_size) {
+  const int argc = 3;
+  Node* target = HeapConstant(callable.code());
+
+  Node** args = zone()->NewArray<Node*>(argc + 4);
+  args[0] = function;
+  args[1] = Int32Constant(argc);
+  args[2] = receiver;
+  args[3] = arg1;
+  args[4] = arg2;
+  args[5] = arg3;
+  args[6] = context;
+
+  return CallStubN(callable.descriptor(), argc + 1, target, args, result_size);
+}
+
 Node* CodeAssembler::CallCFunction2(MachineType return_type,
                                     MachineType arg0_type,
                                     MachineType arg1_type, Node* function,
                                     Node* arg0, Node* arg1) {
   return raw_assembler_->CallCFunction2(return_type, arg0_type, arg1_type,
                                         function, arg0, arg1);
 }
 
 void CodeAssembler::Goto(CodeAssembler::Label* label) {
   label->MergeVariables();
@@ skipping 208 matching lines @@
       }
     }
   }
 
   bound_ = true;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8