[ESNext] Implement DynamicImportCall

src/interpreter/bytecode-generator.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/interpreter/bytecode-generator.h"
 
 #include "src/ast/compile-time-value.h"
 #include "src/ast/scopes.h"
 #include "src/builtins/builtins-constructor.h"
 #include "src/code-stubs.h"
@@ skipping 3016 matching lines @@
   builder()->SetExpressionPosition(expr);
   builder()->BinaryOperation(expr->op(), lhs, feedback_index(slot));
 }
 
 void BytecodeGenerator::VisitSpread(Spread* expr) { Visit(expr->expression()); }
 
 void BytecodeGenerator::VisitEmptyParentheses(EmptyParentheses* expr) {
   UNREACHABLE();
 }
 
+void BytecodeGenerator::VisitImportCallExpression(ImportCallExpression* expr) {
+  RegisterList args = register_allocator()->NewRegisterList(2);
+  VisitForRegisterValue(expr->argument(), args[1]);
+  builder()
+      ->LoadAccumulatorWithRegister(Register::function_closure())
+      .StoreAccumulatorInRegister(args[0])

[rmcilroy, 2017/03/17 08:51:27]

MoveRegister(...) instead of load/storeaccumulator.

[gsathya, 2017/03/17 21:47:59]

Done.

+      .CallRuntime(Runtime::kDynamicImportCall, args);
+}
+
 void BytecodeGenerator::VisitGetIterator(GetIterator* expr) {
   FeedbackSlot load_slot = expr->IteratorPropertyFeedbackSlot();
   FeedbackSlot call_slot = expr->IteratorCallFeedbackSlot();
 
   RegisterList args = register_allocator()->NewRegisterList(1);
   Register method = register_allocator()->NewRegister();
   Register obj = args[0];
 
   VisitForAccumulatorValue(expr->iterable());
 
@@ skipping 472 matching lines @@
 }
 
 Runtime::FunctionId BytecodeGenerator::StoreKeyedToSuperRuntimeId() {
   return is_strict(language_mode()) ? Runtime::kStoreKeyedToSuper_Strict
                                     : Runtime::kStoreKeyedToSuper_Sloppy;
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8