[fullcodegen] Remove super property access support.

src/full-codegen/full-codegen.cc

 // Copyright 2012 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/full-codegen/full-codegen.h"
 
 #include "src/ast/ast-numbering.h"
 #include "src/ast/ast.h"
 #include "src/ast/prettyprinter.h"
 #include "src/ast/scopes.h"
@@ skipping 835 matching lines @@
   }
 }
 
 void FullCodeGenerator::VisitProperty(Property* expr) {
   Comment cmnt(masm_, "[ Property");
   SetExpressionPosition(expr);
 
   Expression* key = expr->key();
 
   if (key->IsPropertyName()) {
-    if (!expr->IsSuperAccess()) {
-      VisitForAccumulatorValue(expr->obj());
-      __ Move(LoadDescriptor::ReceiverRegister(), result_register());
-      EmitNamedPropertyLoad(expr);
-    } else {
-      VisitForStackValue(expr->obj()->AsSuperPropertyReference()->this_var());
-      VisitForStackValue(
-          expr->obj()->AsSuperPropertyReference()->home_object());
-      EmitNamedSuperPropertyLoad(expr);
-    }
+    DCHECK(!expr->IsSuperAccess());
+    VisitForAccumulatorValue(expr->obj());
+    __ Move(LoadDescriptor::ReceiverRegister(), result_register());
+    EmitNamedPropertyLoad(expr);
   } else {
-    if (!expr->IsSuperAccess()) {
-      VisitForStackValue(expr->obj());
-      VisitForAccumulatorValue(expr->key());
-      __ Move(LoadDescriptor::NameRegister(), result_register());
-      PopOperand(LoadDescriptor::ReceiverRegister());
-      EmitKeyedPropertyLoad(expr);
-    } else {
-      VisitForStackValue(expr->obj()->AsSuperPropertyReference()->this_var());
-      VisitForStackValue(
-          expr->obj()->AsSuperPropertyReference()->home_object());
-      VisitForStackValue(expr->key());
-      EmitKeyedSuperPropertyLoad(expr);
-    }
+    DCHECK(!expr->IsSuperAccess());
+    VisitForStackValue(expr->obj());
+    VisitForAccumulatorValue(expr->key());
+    __ Move(LoadDescriptor::NameRegister(), result_register());
+    PopOperand(LoadDescriptor::ReceiverRegister());
+    EmitKeyedPropertyLoad(expr);
   }
   PrepareForBailoutForId(expr->LoadId(), BailoutState::TOS_REGISTER);
   context()->Plug(result_register());
 }
 
 void FullCodeGenerator::VisitForTypeofValue(Expression* expr) {
   VariableProxy* proxy = expr->AsVariableProxy();
   DCHECK(!context()->IsEffect());
   DCHECK(!context()->IsTest());
 
@@ skipping 162 matching lines @@
 
 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) {
   SetExpressionPosition(prop);
   Literal* key = prop->key()->AsLiteral();
   DCHECK(!key->value()->IsSmi());
   DCHECK(!prop->IsSuperAccess());
 
   CallLoadIC(prop->PropertyFeedbackSlot(), key->value());
 }
 
-void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) {
-  // Stack: receiver, home_object
-  SetExpressionPosition(prop);
-  Literal* key = prop->key()->AsLiteral();
-  DCHECK(!key->value()->IsSmi());
-  DCHECK(prop->IsSuperAccess());
-
-  PushOperand(key->value());
-  CallRuntimeWithOperands(Runtime::kLoadFromSuper);
-}
-
 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) {
   SetExpressionPosition(prop);
 
   EmitLoadSlot(LoadDescriptor::SlotRegister(), prop->PropertyFeedbackSlot());
 
   Handle<Code> code = CodeFactory::KeyedLoadIC(isolate()).code();
   __ Call(code, RelocInfo::CODE_TARGET);
   RestoreContext();
 }
 
-void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) {
-  // Stack: receiver, home_object, key.
-  SetExpressionPosition(prop);
-  CallRuntimeWithOperands(Runtime::kLoadKeyedFromSuper);
-}
-
 void FullCodeGenerator::EmitPropertyKey(LiteralProperty* property,
                                         BailoutId bailout_id) {
   VisitForStackValue(property->key());
   CallRuntimeWithOperands(Runtime::kToName);
   PrepareForBailoutForId(bailout_id, BailoutState::TOS_REGISTER);
   PushOperand(result_register());
 }
 
 void FullCodeGenerator::EmitLoadSlot(Register destination,
                                      FeedbackVectorSlot slot) {
@@ skipping 298 matching lines @@
       VisitForStackValue(property->obj());
       EmitCallWithLoadIC(expr);
       break;
     }
     case Call::KEYED_PROPERTY_CALL: {
       Property* property = callee->AsProperty();
       VisitForStackValue(property->obj());
       EmitKeyedCallWithLoadIC(expr, property->key());
       break;
     }
-    case Call::NAMED_SUPER_PROPERTY_CALL:
-      EmitSuperCallWithLoadIC(expr);
-      break;
-    case Call::KEYED_SUPER_PROPERTY_CALL:
-      EmitKeyedSuperCallWithLoadIC(expr);
-      break;
     case Call::OTHER_CALL:
       // Call to an arbitrary expression not handled specially above.
       VisitForStackValue(callee);
       OperandStackDepthIncrement(1);
       __ PushRoot(Heap::kUndefinedValueRootIndex);
       // Emit function call.
       EmitCall(expr);
       break;
+    case Call::NAMED_SUPER_PROPERTY_CALL:
+    case Call::KEYED_SUPER_PROPERTY_CALL:
     case Call::SUPER_CALL:
     case Call::WITH_CALL:
       UNREACHABLE();
   }
 
 #ifdef DEBUG
   // RecordJSReturnSite should have been called.
   DCHECK(expr->return_is_recorded_);
 #endif
 }
@@ skipping 206 matching lines @@
   return info_->has_simple_parameters();
 }
 
 FunctionLiteral* FullCodeGenerator::literal() const { return info_->literal(); }
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8