[turbofan] Add NewUnmappedArgumentsElements and NewRestParametersArguments.

src/compiler/effect-control-linearizer.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/effect-control-linearizer.h"
 
 #include "src/code-factory.h"
 #include "src/compiler/access-builder.h"
 #include "src/compiler/compiler-source-position-table.h"
 #include "src/compiler/js-graph.h"
@@ skipping 712 matching lines @@
       break;
     case IrOpcode::kObjectIsSmi:
       state = LowerObjectIsSmi(node, *effect, *control);
       break;
     case IrOpcode::kObjectIsString:
       state = LowerObjectIsString(node, *effect, *control);
       break;
     case IrOpcode::kObjectIsUndetectable:
       state = LowerObjectIsUndetectable(node, *effect, *control);
       break;
+    case IrOpcode::kNewRestParameterElements:
+      state = LowerNewRestParameterElements(node, *effect, *control);
+      break;
+    case IrOpcode::kNewUnmappedArgumentsElements:
+      state = LowerNewUnmappedArgumentsElements(node, *effect, *control);
+      break;
     case IrOpcode::kArrayBufferWasNeutered:
       state = LowerArrayBufferWasNeutered(node, *effect, *control);
       break;
     case IrOpcode::kStringFromCharCode:
       state = LowerStringFromCharCode(node, *effect, *control);
       break;
     case IrOpcode::kStringFromCodePoint:
       state = LowerStringFromCodePoint(node, *effect, *control);
       break;
     case IrOpcode::kStringCharCodeAt:
@@ skipping 1414 matching lines @@
 
   control = graph()->NewNode(common()->Merge(2), if_true, if_false);
   effect = graph()->NewNode(common()->EffectPhi(2), etrue, efalse, control);
   value = graph()->NewNode(common()->Phi(MachineRepresentation::kBit, 2), vtrue,
                            vfalse, control);
 
   return ValueEffectControl(value, effect, control);
 }
 
 EffectControlLinearizer::ValueEffectControl
+EffectControlLinearizer::LowerNewRestParameterElements(Node* node, Node* effect,
+                                                       Node* control) {
+  int const formal_parameter_count = ParameterCountOf(node->op());
+
+  Callable const callable = CodeFactory::NewRestParameterElements(isolate());
+  Operator::Properties const properties = node->op()->properties();
+  CallDescriptor::Flags const flags = CallDescriptor::kNoFlags;
+  CallDescriptor* desc = Linkage::GetStubCallDescriptor(
+      isolate(), graph()->zone(), callable.descriptor(), 0, flags, properties);
+  Node* value = effect = graph()->NewNode(
+      common()->Call(desc), jsgraph()->HeapConstant(callable.code()),
+      jsgraph()->IntPtrConstant(formal_parameter_count),
+      jsgraph()->NoContextConstant(), effect);
+  return ValueEffectControl(value, effect, control);
+}
+
+EffectControlLinearizer::ValueEffectControl
+EffectControlLinearizer::LowerNewUnmappedArgumentsElements(Node* node,
+                                                           Node* effect,
+                                                           Node* control) {
+  int const formal_parameter_count = ParameterCountOf(node->op());
+
+  Callable const callable =
+      CodeFactory::NewUnmappedArgumentsElements(isolate());
+  Operator::Properties const properties = node->op()->properties();
+  CallDescriptor::Flags const flags = CallDescriptor::kNoFlags;
+  CallDescriptor* desc = Linkage::GetStubCallDescriptor(
+      isolate(), graph()->zone(), callable.descriptor(), 0, flags, properties);
+  Node* value = effect = graph()->NewNode(
+      common()->Call(desc), jsgraph()->HeapConstant(callable.code()),
+      jsgraph()->IntPtrConstant(formal_parameter_count),
+      jsgraph()->NoContextConstant(), effect);
+  return ValueEffectControl(value, effect, control);
+}
+
+EffectControlLinearizer::ValueEffectControl
 EffectControlLinearizer::LowerArrayBufferWasNeutered(Node* node, Node* effect,
                                                      Node* control) {
   Node* value = node->InputAt(0);
 
   Node* value_bit_field = effect = graph()->NewNode(
       simplified()->LoadField(AccessBuilder::ForJSArrayBufferBitField()), value,
       effect, control);
   value = graph()->NewNode(
       machine()->Word32Equal(),
       graph()->NewNode(machine()->Word32Equal(),
@@ skipping 1597 matching lines @@
         isolate(), graph()->zone(), callable.descriptor(), 0, flags,
         Operator::kEliminatable);
     to_number_operator_.set(common()->Call(desc));
   }
   return to_number_operator_.get();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8