Local delegated properties.

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/BodyGenerator.kt

@@ -129,8 +129,7 @@ class BodyGenerator(val scopeOwner: DeclarationDescriptor, override val context:
         irBlockBody.addStatement(irDelegatingConstructorCall)
     }
 
-    private fun createStatementGenerator() =
-            StatementGenerator(context, scopeOwner, this, scope)
+    fun createStatementGenerator() = StatementGenerator(this, scope)
 
     fun putLoop(expression: KtLoopExpression, irLoop: IrLoop) {
         loopTable[expression] = irLoop
@@ -261,34 +260,5 @@ class BodyGenerator(val scopeOwner: DeclarationDescriptor, override val context:
 
     private fun createPropertyInitializationExpression(ktElement: KtElement, propertyDescriptor: PropertyDescriptor, value: IrExpression) =
             IrSetBackingFieldImpl(ktElement.startOffset, ktElement.endOffset, propertyDescriptor, value)
-
-    fun generateDelegatedPropertyGetter(
-            ktDelegate: KtPropertyDelegate,
-            delegateDescriptor: IrPropertyDelegateDescriptor,
-            getterDescriptor: PropertyGetterDescriptor
-    ): IrBody =
-            irBlockBody(ktDelegate) {
-                val statementGenerator = createStatementGenerator()
-                val conventionMethodResolvedCall = getOrFail(BindingContext.DELEGATED_PROPERTY_RESOLVED_CALL, getterDescriptor)
-                val conventionMethodCall = statementGenerator.pregenerateCall(conventionMethodResolvedCall)
-                conventionMethodCall.setExplicitReceiverValue(VariableLValue(ktDelegate.startOffset, ktDelegate.endOffset, delegateDescriptor))
-                conventionMethodCall.irValueArgumentsByIndex[1] = irCallableReference(delegateDescriptor.kPropertyType, delegateDescriptor.correspondingProperty)
-                +irReturn(CallGenerator(statementGenerator).generateCall(ktDelegate.startOffset, ktDelegate.endOffset, conventionMethodCall))
-            }
-
-    fun generateDelegatedPropertySetter(
-            ktDelegate: KtPropertyDelegate,
-            delegateDescriptor: IrPropertyDelegateDescriptor,
-            setterDescriptor: PropertySetterDescriptor
-    ): IrBody =
-            irBlockBody(ktDelegate) {
-                val statementGenerator = createStatementGenerator()
-                val conventionMethodResolvedCall = getOrFail(BindingContext.DELEGATED_PROPERTY_RESOLVED_CALL, setterDescriptor)
-                val conventionMethodCall = statementGenerator.pregenerateCall(conventionMethodResolvedCall)
-                conventionMethodCall.setExplicitReceiverValue(VariableLValue(ktDelegate.startOffset, ktDelegate.endOffset, delegateDescriptor))
-                conventionMethodCall.irValueArgumentsByIndex[1] = irCallableReference(delegateDescriptor.kPropertyType, delegateDescriptor.correspondingProperty)
-                conventionMethodCall.irValueArgumentsByIndex[2] = irGet(setterDescriptor.valueParameters[0])
-                +irReturn(CallGenerator(statementGenerator).generateCall(ktDelegate.startOffset, ktDelegate.endOffset, conventionMethodCall))
-            }
 }
 

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt

@@ -81,8 +81,8 @@ class ClassGenerator(val declarationGenerator: DeclarationGenerator) : Generator
         val superClass = superTypeConstructorDescriptor as? ClassDescriptor ?:
                          throw AssertionError("Unexpected supertype constructor for delegation: $superTypeConstructorDescriptor")
         val delegateDescriptor = IrImplementingDelegateDescriptorImpl(irClass.descriptor, delegateType, superType)
-        val irDelegate = IrDelegateImpl(ktDelegateExpression.startOffset, ktDelegateExpression.endOffset, IrDeclarationOrigin.DELEGATE,
-                                        delegateDescriptor)
+        val irDelegate = IrSimplePropertyImpl(ktDelegateExpression.startOffset, ktDelegateExpression.endOffset, IrDeclarationOrigin.DELEGATE,
+                                                   delegateDescriptor)
         val bodyGenerator = BodyGenerator(irClass.descriptor, context)
         irDelegate.initializer = bodyGenerator.generatePropertyInitializerBody(ktDelegateExpression)
         irClass.addMember(irDelegate)
@@ -95,7 +95,7 @@ class ClassGenerator(val declarationGenerator: DeclarationGenerator) : Generator
         }
     }
 
-    private fun generateDelegatedMember(irClass: IrClassImpl, irDelegate: IrDelegateImpl, delegatedMember: CallableMemberDescriptor, overriddenMember: CallableMemberDescriptor) {
+    private fun generateDelegatedMember(irClass: IrClassImpl, irDelegate: IrSimplePropertyImpl, delegatedMember: CallableMemberDescriptor, overriddenMember: CallableMemberDescriptor) {
         when (delegatedMember) {
             is FunctionDescriptor ->
                 generateDelegatedFunction(irClass, irDelegate, delegatedMember, overriddenMember as FunctionDescriptor)
@@ -105,7 +105,7 @@ class ClassGenerator(val declarationGenerator: DeclarationGenerator) : Generator
 
     }
 
-    private fun generateDelegatedProperty(irClass: IrClassImpl, irDelegate: IrDelegateImpl, delegated: PropertyDescriptor, overridden: PropertyDescriptor) {
+    private fun generateDelegatedProperty(irClass: IrClassImpl, irDelegate: IrSimplePropertyImpl, delegated: PropertyDescriptor, overridden: PropertyDescriptor) {
         val irProperty = IrSimplePropertyImpl(irDelegate.startOffset, irDelegate.endOffset, IrDeclarationOrigin.DELEGATED_MEMBER, delegated)
 
         val irGetter = IrPropertyGetterImpl(irDelegate.startOffset, irDelegate.endOffset, IrDeclarationOrigin.DELEGATED_MEMBER, delegated.getter!!)
@@ -121,13 +121,13 @@ class ClassGenerator(val declarationGenerator: DeclarationGenerator) : Generator
         irClass.addMember(irProperty)
     }
 
-    private fun generateDelegatedFunction(irClass: IrClassImpl, irDelegate: IrDelegateImpl, delegated: FunctionDescriptor, overridden: FunctionDescriptor) {
+    private fun generateDelegatedFunction(irClass: IrClassImpl, irDelegate: IrSimplePropertyImpl, delegated: FunctionDescriptor, overridden: FunctionDescriptor) {
         val irFunction = IrFunctionImpl(irDelegate.startOffset, irDelegate.endOffset, IrDeclarationOrigin.DELEGATED_MEMBER, delegated)
         irFunction.body = generateDelegateFunctionBody(irDelegate, delegated, overridden)
         irClass.addMember(irFunction)
     }
 
-    private fun generateDelegateFunctionBody(irDelegate: IrDelegateImpl, delegated: FunctionDescriptor, overridden: FunctionDescriptor): IrBlockBodyImpl {
+    private fun generateDelegateFunctionBody(irDelegate: IrSimplePropertyImpl, delegated: FunctionDescriptor, overridden: FunctionDescriptor): IrBlockBodyImpl {
         val irBlockBody = IrBlockBodyImpl(irDelegate.startOffset, irDelegate.endOffset)
         val returnType = overridden.returnType!!
         val irCall = IrCallImpl(irDelegate.startOffset, irDelegate.endOffset, returnType, overridden)
@@ -197,7 +197,7 @@ class ClassGenerator(val declarationGenerator: DeclarationGenerator) : Generator
         val irProperty = IrSimplePropertyImpl(ktParameter.startOffset, ktParameter.endOffset, IrDeclarationOrigin.DEFINED, propertyDescriptor)
         val irGetParameter = IrGetVariableImpl(ktParameter.startOffset, ktParameter.endOffset,
                                                valueParameterDescriptor, IrOperator.INITIALIZE_PROPERTY_FROM_PARAMETER)
-        irProperty.valueInitializer = IrExpressionBodyImpl(ktParameter.startOffset, ktParameter.endOffset, irGetParameter)
+        irProperty.initializer = IrExpressionBodyImpl(ktParameter.startOffset, ktParameter.endOffset, irGetParameter)
         return irProperty
     }
 

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/DeclarationGenerator.kt

@@ -17,10 +17,9 @@
 package org.jetbrains.kotlin.psi2ir.generators
 
 import org.jetbrains.kotlin.descriptors.*
-import org.jetbrains.kotlin.descriptors.annotations.Annotations
 import org.jetbrains.kotlin.ir.declarations.*
-import org.jetbrains.kotlin.ir.descriptors.IrPropertyDelegateDescriptorImpl
-import org.jetbrains.kotlin.ir.expressions.*
+import org.jetbrains.kotlin.ir.expressions.IrBody
+import org.jetbrains.kotlin.ir.expressions.IrExpressionBody
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.endOffset
 import org.jetbrains.kotlin.psi.psiUtil.startOffset
@@ -116,32 +115,8 @@ class DeclarationGenerator(override val context: GeneratorContext) : Generator {
 
     private fun generateDelegatedProperty(ktProperty: KtProperty, ktDelegate: KtPropertyDelegate, propertyDescriptor: PropertyDescriptor): IrProperty {
         val ktDelegateExpression = ktDelegate.expression!!
-        val delegateType = getInferredTypeWithImplicitCasts(ktDelegateExpression)!!
-        val propertyReceiverType = propertyDescriptor.extensionReceiverParameter?.type ?:
-                                   propertyDescriptor.dispatchReceiverParameter?.type
-        val kPropertyType = context.reflectionTypes.getKPropertyType(
-                Annotations.EMPTY, propertyReceiverType, propertyDescriptor.type, propertyDescriptor.isVar)
-        val delegateDescriptor = IrPropertyDelegateDescriptorImpl(propertyDescriptor, delegateType, kPropertyType)
-        val irDelegateInitializer = generateInitializerBody(delegateDescriptor, ktDelegateExpression)
-        val irDelegate = IrDelegateImpl(ktDelegate.startOffset, ktDelegate.endOffset, IrDeclarationOrigin.DELEGATE,
-                                        delegateDescriptor, irDelegateInitializer)
-
-        val irProperty = IrDelegatedPropertyImpl(ktProperty.startOffset, ktProperty.endOffset, IrDeclarationOrigin.DEFINED,
-                                                 propertyDescriptor, irDelegate)
-
-        val getterDescriptor = propertyDescriptor.getter ?: throw AssertionError("Delegated property should have getter: $propertyDescriptor")
-        val getterBody = createBodyGenerator(getterDescriptor).generateDelegatedPropertyGetter(ktDelegate, delegateDescriptor, getterDescriptor)
-        irProperty.getter = IrPropertyGetterImpl(ktDelegate.startOffset, ktDelegate.endOffset, IrDeclarationOrigin.DELEGATED_PROPERTY_ACCESSOR,
-                                                 getterDescriptor, getterBody)
-
-        if (propertyDescriptor.isVar) {
-            val setterDescriptor = propertyDescriptor.setter ?: throw AssertionError("Delegated var should have setter: $propertyDescriptor")
-            val setterBody = createBodyGenerator(setterDescriptor).generateDelegatedPropertySetter(ktDelegate, delegateDescriptor, setterDescriptor)
-            irProperty.setter = IrPropertySetterImpl(ktDelegate.startOffset, ktDelegate.endOffset, IrDeclarationOrigin.DELEGATED_PROPERTY_ACCESSOR,
-                                                     setterDescriptor, setterBody)
-        }
-
-        return irProperty
+        val irDelegateInitializer = generateInitializerBody(propertyDescriptor, ktDelegateExpression)
+        return DelegatedPropertyGenerator(context).generateDelegatedProperty(ktProperty, ktDelegate, propertyDescriptor, irDelegateInitializer)
     }
 
     private fun generateSimpleProperty(ktProperty: KtProperty, propertyDescriptor: PropertyDescriptor): IrSimplePropertyImpl {

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/DelegatedPropertyGenerator.kt

@@ -0,0 +1,190 @@
+/*
+ * Copyright 2010-2016 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.psi2ir.generators
+
+import org.jetbrains.kotlin.descriptors.CallableDescriptor
+import org.jetbrains.kotlin.descriptors.PropertyDescriptor
+import org.jetbrains.kotlin.descriptors.VariableAccessorDescriptor
+import org.jetbrains.kotlin.descriptors.VariableDescriptorWithAccessors
+import org.jetbrains.kotlin.descriptors.annotations.Annotations
+import org.jetbrains.kotlin.ir.declarations.*
+import org.jetbrains.kotlin.ir.descriptors.IrLocalDelegatedPropertyDelegateDescriptor
+import org.jetbrains.kotlin.ir.descriptors.IrLocalDelegatedPropertyDelegateDescriptorImpl
+import org.jetbrains.kotlin.ir.descriptors.IrPropertyDelegateDescriptor
+import org.jetbrains.kotlin.ir.descriptors.IrPropertyDelegateDescriptorImpl
+import org.jetbrains.kotlin.ir.expressions.*
+import org.jetbrains.kotlin.psi.KtElement
+import org.jetbrains.kotlin.psi.KtProperty
+import org.jetbrains.kotlin.psi.KtPropertyDelegate
+import org.jetbrains.kotlin.psi.psiUtil.endOffset
+import org.jetbrains.kotlin.psi.psiUtil.startOffset
+import org.jetbrains.kotlin.psi2ir.builders.irBlockBody
+import org.jetbrains.kotlin.psi2ir.builders.irGet
+import org.jetbrains.kotlin.psi2ir.builders.irReturn
+import org.jetbrains.kotlin.psi2ir.intermediate.BackingFieldLValue
+import org.jetbrains.kotlin.psi2ir.intermediate.IntermediateValue
+import org.jetbrains.kotlin.psi2ir.intermediate.VariableLValue
+import org.jetbrains.kotlin.psi2ir.intermediate.setExplicitReceiverValue
+import org.jetbrains.kotlin.resolve.BindingContext
+import org.jetbrains.kotlin.types.KotlinType
+
+
+class DelegatedPropertyGenerator(override val context: GeneratorContext) : Generator {
+    fun generateDelegatedProperty(
+            ktProperty: KtProperty,
+            ktDelegate: KtPropertyDelegate,
+            propertyDescriptor: PropertyDescriptor,
+            irDelegateInitializer: IrExpressionBody
+    ): IrDelegatedProperty {
+        val delegateDescriptor = createPropertyDelegateDescriptor(ktDelegate, propertyDescriptor)
+
+        val irDelegate = IrSimplePropertyImpl(
+                ktDelegate.startOffset, ktDelegate.endOffset, IrDeclarationOrigin.DELEGATE,
+                delegateDescriptor, irDelegateInitializer)
+
+        val irProperty = IrDelegatedPropertyImpl(
+                ktProperty.startOffset, ktProperty.endOffset, IrDeclarationOrigin.DEFINED,
+                propertyDescriptor, irDelegate)
+
+        val delegateReceiverValue = createBackingFieldValueForDelegate(delegateDescriptor, ktDelegate)
+        val getterDescriptor = propertyDescriptor.getter!!
+        irProperty.getter = IrPropertyGetterImpl(
+                ktDelegate.startOffset, ktDelegate.endOffset, IrDeclarationOrigin.DELEGATED_PROPERTY_ACCESSOR,
+                getterDescriptor,
+                generateDelegatedPropertyGetterBody(
+                        ktDelegate, getterDescriptor, delegateReceiverValue,
+                        createCallableReference(ktDelegate, delegateDescriptor.kPropertyType, propertyDescriptor)))
+
+        if (propertyDescriptor.isVar) {
+            val setterDescriptor = propertyDescriptor.setter!!
+            irProperty.setter = IrPropertySetterImpl(
+                    ktDelegate.startOffset, ktDelegate.endOffset, IrDeclarationOrigin.DELEGATED_PROPERTY_ACCESSOR,
+                    setterDescriptor,
+                    generateDelegatedPropertySetterBody(
+                            ktDelegate, setterDescriptor, delegateReceiverValue,
+                            createCallableReference(ktDelegate, delegateDescriptor.kPropertyType, propertyDescriptor)))
+        }
+
+        return irProperty
+    }
+
+    private fun createBackingFieldValueForDelegate(delegateDescriptor: IrPropertyDelegateDescriptor, ktDelegate: KtPropertyDelegate) =
+            BackingFieldLValue(ktDelegate.startOffset, ktDelegate.endOffset, delegateDescriptor, null)
+
+    private fun createCallableReference(ktElement: KtElement, type: KotlinType, referencedDescriptor: CallableDescriptor): IrCallableReference =
+            IrCallableReferenceImpl(ktElement.startOffset, ktElement.endOffset, type, referencedDescriptor)
+
+    fun generateLocalDelegatedProperty(
+            ktProperty: KtProperty,
+            ktDelegate: KtPropertyDelegate,
+            variableDescriptor: VariableDescriptorWithAccessors,
+            irDelegateInitializer: IrExpression
+    ) : IrLocalDelegatedProperty {
+        val delegateDescriptor = createLocalPropertyDelegatedDescriptor(ktDelegate, variableDescriptor)
+
+        val irDelegate = IrVariableImpl(
+                ktDelegate.startOffset, ktDelegate.endOffset, IrDeclarationOrigin.DELEGATE,
+                delegateDescriptor, irDelegateInitializer)
+
+        val irLocalDelegatedProperty = IrLocalDelegatedPropertyImpl(
+                ktProperty.startOffset, ktProperty.endOffset, IrDeclarationOrigin.DEFINED,
+                variableDescriptor, irDelegate)
+
+        val getterDescriptor = variableDescriptor.getter!!
+        val delegateReceiverValue = createVariableValueForDelegate(delegateDescriptor, ktDelegate)
+        irLocalDelegatedProperty.getter = createLocalPropertyAccessor(
+                getterDescriptor, ktDelegate,
+                generateDelegatedPropertyGetterBody(
+                        ktDelegate, getterDescriptor, delegateReceiverValue,
+                        createCallableReference(ktDelegate, delegateDescriptor.kPropertyType, delegateDescriptor.correspondingLocalProperty)))
+
+        if (variableDescriptor.isVar) {
+            val setterDescriptor = variableDescriptor.setter!!
+            irLocalDelegatedProperty.setter = createLocalPropertyAccessor(
+                    setterDescriptor, ktDelegate,
+                    generateDelegatedPropertySetterBody(
+                            ktDelegate, setterDescriptor, delegateReceiverValue,
+                            createCallableReference(ktDelegate, delegateDescriptor.kPropertyType, delegateDescriptor.correspondingLocalProperty)))
+
+        }
+
+        return irLocalDelegatedProperty
+    }
+
+    private fun createVariableValueForDelegate(delegateDescriptor: IrLocalDelegatedPropertyDelegateDescriptor, ktDelegate: KtPropertyDelegate) =
+            VariableLValue(ktDelegate.startOffset, ktDelegate.endOffset, delegateDescriptor)
+
+    private fun createLocalPropertyAccessor(getterDescriptor: VariableAccessorDescriptor, ktDelegate: KtPropertyDelegate, body: IrBody) =
+            IrLocalPropertyAccessorImpl(ktDelegate.startOffset, ktDelegate.endOffset, IrDeclarationOrigin.DELEGATED_PROPERTY_ACCESSOR,
+                                        getterDescriptor, body)
+
+    private fun createLocalPropertyDelegatedDescriptor(
+            ktDelegate: KtPropertyDelegate,
+            variableDescriptor: VariableDescriptorWithAccessors
+    ): IrLocalDelegatedPropertyDelegateDescriptor {
+        val delegateType = getInferredTypeWithImplicitCastsOrFail(ktDelegate.expression!!)
+        val kPropertyType = context.reflectionTypes.getKPropertyType(
+                Annotations.EMPTY, null, variableDescriptor.type, variableDescriptor.isVar)
+        return IrLocalDelegatedPropertyDelegateDescriptorImpl(variableDescriptor, delegateType, kPropertyType)
+    }
+
+    private fun createPropertyDelegateDescriptor(
+            ktDelegate: KtPropertyDelegate,
+            propertyDescriptor: PropertyDescriptor
+    ): IrPropertyDelegateDescriptor {
+        val delegateType = getInferredTypeWithImplicitCastsOrFail(ktDelegate.expression!!)
+        val propertyReceiverType = propertyDescriptor.extensionReceiverParameter?.type ?:
+                                   propertyDescriptor.dispatchReceiverParameter?.type
+        val kPropertyType = context.reflectionTypes.getKPropertyType(
+                Annotations.EMPTY, propertyReceiverType, propertyDescriptor.type, propertyDescriptor.isVar)
+        val delegateDescriptor = IrPropertyDelegateDescriptorImpl(propertyDescriptor, delegateType, kPropertyType)
+        return delegateDescriptor
+    }
+
+    fun generateDelegatedPropertyGetterBody(
+            ktDelegate: KtPropertyDelegate,
+            getterDescriptor: VariableAccessorDescriptor,
+            delegateReceiverValue: IntermediateValue,
+            irPropertyReference: IrCallableReference
+    ): IrBody = with(BodyGenerator(getterDescriptor, context)) {
+        irBlockBody(ktDelegate) {
+            val statementGenerator = createStatementGenerator()
+            val conventionMethodResolvedCall = getOrFail(BindingContext.DELEGATED_PROPERTY_RESOLVED_CALL, getterDescriptor)
+            val conventionMethodCall = statementGenerator.pregenerateCall(conventionMethodResolvedCall)
+            conventionMethodCall.setExplicitReceiverValue(delegateReceiverValue)
+            conventionMethodCall.irValueArgumentsByIndex[1] = irPropertyReference
+            +irReturn(CallGenerator(statementGenerator).generateCall(ktDelegate.startOffset, ktDelegate.endOffset, conventionMethodCall))
+        }
+    }
+
+    fun generateDelegatedPropertySetterBody(
+            ktDelegate: KtPropertyDelegate,
+            setterDescriptor: VariableAccessorDescriptor,
+            delegateReceiverValue: IntermediateValue,
+            irPropertyReference: IrCallableReference
+    ): IrBody = with(BodyGenerator(setterDescriptor, context)) {
+        irBlockBody(ktDelegate) {
+            val statementGenerator = createStatementGenerator()
+            val conventionMethodResolvedCall = getOrFail(BindingContext.DELEGATED_PROPERTY_RESOLVED_CALL, setterDescriptor)
+            val conventionMethodCall = statementGenerator.pregenerateCall(conventionMethodResolvedCall)
+            conventionMethodCall.setExplicitReceiverValue(delegateReceiverValue)
+            conventionMethodCall.irValueArgumentsByIndex[1] = irPropertyReference
+            conventionMethodCall.irValueArgumentsByIndex[2] = irGet(setterDescriptor.valueParameters[0])
+            +irReturn(CallGenerator(statementGenerator).generateCall(ktDelegate.startOffset, ktDelegate.endOffset, conventionMethodCall))
+        }
+    }
+}

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/StatementGenerator.kt

@@ -43,11 +43,12 @@ import org.jetbrains.kotlin.types.expressions.ExpressionTypingUtils
 import java.lang.AssertionError
 
 class StatementGenerator(
-        override val context: GeneratorContext,
-        val scopeOwner: DeclarationDescriptor,
         val bodyGenerator: BodyGenerator,
         override val scope: Scope
 ) : KtVisitor<IrStatement, Nothing?>(), GeneratorWithScope {
+    override val context: GeneratorContext get() = bodyGenerator.context
+    val scopeOwner: DeclarationDescriptor get() = bodyGenerator.scopeOwner
+
     fun generateStatement(ktElement: KtElement): IrStatement =
             ktElement.genStmt()
 
@@ -64,15 +65,27 @@ class StatementGenerator(
             createDummyExpression(expression, expression.javaClass.simpleName)
 
     override fun visitProperty(property: KtProperty, data: Nothing?): IrStatement {
-        if (property.delegateExpression != null) TODO("Local delegated property")
-
         val variableDescriptor = getOrFail(BindingContext.VARIABLE, property)
 
+        property.delegate?.let { ktDelegate ->
+            return generateLocalDelegatedProperty(property, ktDelegate, variableDescriptor as VariableDescriptorWithAccessors)
+        }
+
         val irLocalVariable = IrVariableImpl(property.startOffset, property.endOffset, IrDeclarationOrigin.DEFINED, variableDescriptor)
         irLocalVariable.initializer = property.initializer?.genExpr()
         return irLocalVariable
     }
 
+    private fun generateLocalDelegatedProperty(
+            ktProperty: KtProperty,
+            ktDelegate: KtPropertyDelegate,
+            variableDescriptor: VariableDescriptorWithAccessors
+    ): IrStatement =
+            DelegatedPropertyGenerator(context).generateLocalDelegatedProperty(
+                    ktProperty, ktDelegate, variableDescriptor,
+                    ktDelegate.expression!!.genExpr()
+            )
+
     override fun visitDestructuringDeclaration(multiDeclaration: KtDestructuringDeclaration, data: Nothing?): IrStatement {
         // TODO use some special form that introduces multiple declarations into surrounding scope?
 

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrClass.kt

@@ -34,12 +34,10 @@ interface IrClass : IrDeclaration {
 fun IrClass.getInstanceInitializerMembers() =
         members.filter {
             when (it) {
-                is IrDelegate ->
-                    true
                 is IrAnonymousInitializer ->
                     true
                 is IrSimpleProperty ->
-                    it.valueInitializer != null
+                    it.initializer != null
                 is IrDelegatedProperty ->
                     true
                 else -> false

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrDeclaration.kt

@@ -29,16 +29,16 @@ interface IrDeclaration : IrStatement {
 enum class IrDeclarationKind {
     MODULE,
     FILE,
+    CLASS,
+    ENUM_ENTRY,
     FUNCTION,
-    PROPERTY_GETTER,
-    PROPERTY_SETTER,
     CONSTRUCTOR,
     PROPERTY,
+    PROPERTY_ACCESSOR,
     VARIABLE,
-    DELEGATE,
-    CLASS,
+    LOCAL_PROPERTY,
+    LOCAL_PROPERTY_ACCESSOR,
     TYPEALIAS,
-    ENUM_ENTRY,
     ANONYMOUS_INITIALIZER,
     DUMMY;
 }

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrDelegate.kt

@@ -1,79 +0,0 @@
-/*
- * Copyright 2010-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.jetbrains.kotlin.ir.declarations
-
-import org.jetbrains.kotlin.descriptors.VariableDescriptor
-import org.jetbrains.kotlin.ir.*
-import org.jetbrains.kotlin.ir.expressions.IrExpressionBody
-import org.jetbrains.kotlin.ir.visitors.IrElementVisitor
-
-interface IrDelegate : IrDeclaration {
-    override val descriptor: VariableDescriptor
-
-    var initializer: IrExpressionBody
-
-    override val declarationKind: IrDeclarationKind
-        get() = IrDeclarationKind.DELEGATE
-}
-
-class IrDelegateImpl(
-        startOffset: Int,
-        endOffset: Int,
-        origin: IrDeclarationOrigin,
-        override val descriptor: VariableDescriptor
-) : IrDeclarationBase(startOffset, endOffset, origin), IrDelegate {
-    constructor(
-            startOffset: Int,
-            endOffset: Int,
-            origin: IrDeclarationOrigin,
-            descriptor: VariableDescriptor,
-            initializer: IrExpressionBody
-    ) : this(startOffset, endOffset, origin, descriptor) {
-        this.initializer = initializer
-    }
-
-    private var initializerImpl: IrExpressionBody? = null
-    override var initializer: IrExpressionBody
-        get() = initializerImpl!!
-        set(value) {
-            value.assertDetached()
-            initializerImpl?.detach()
-            initializerImpl = value
-            value.setTreeLocation(this, INITIALIZER_SLOT)
-        }
-
-    override fun getChild(slot: Int): IrElement? =
-            when (slot) {
-                INITIALIZER_SLOT -> initializer
-                else -> null
-            }
-
-    override fun replaceChild(slot: Int, newChild: IrElement) {
-        when (slot) {
-            INITIALIZER_SLOT -> initializer = newChild.assertCast()
-            else -> throwNoSuchSlot(slot)
-        }
-    }
-
-    override fun <R, D> accept(visitor: IrElementVisitor<R, D>, data: D): R {
-        return visitor.visitDelegate(this, data)
-    }
-
-    override fun <D> acceptChildren(visitor: IrElementVisitor<Unit, D>, data: D) {
-        initializer.accept(visitor, data)
-    }
-}

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrGeneralFunction.kt

@@ -26,7 +26,7 @@ import java.util.*
 
 interface IrGeneralFunction : IrDeclaration {
     override val descriptor: FunctionDescriptor
-    val body: IrBody?
+    var body: IrBody?
 
     override val declarationKind: IrDeclarationKind
         get() = IrDeclarationKind.FUNCTION

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrLocalDelegatedProperty.kt

@@ -0,0 +1,131 @@
+/*
+ * Copyright 2010-2016 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.ir.declarations
+
+import org.jetbrains.kotlin.descriptors.VariableAccessorDescriptor
+import org.jetbrains.kotlin.descriptors.VariableDescriptorWithAccessors
+import org.jetbrains.kotlin.ir.*
+import org.jetbrains.kotlin.ir.expressions.IrBody
+import org.jetbrains.kotlin.ir.visitors.IrElementVisitor
+
+interface IrLocalDelegatedProperty : IrDeclaration {
+    override val descriptor: VariableDescriptorWithAccessors
+    var delegate: IrVariable
+    var getter: IrLocalPropertyAccessor
+    var setter: IrLocalPropertyAccessor?
+
+    override val declarationKind: IrDeclarationKind
+        get() = IrDeclarationKind.LOCAL_PROPERTY
+}
+
+interface IrLocalPropertyAccessor : IrGeneralFunction {
+    override val descriptor: VariableAccessorDescriptor
+
+    override val declarationKind: IrDeclarationKind
+        get() = IrDeclarationKind.LOCAL_PROPERTY_ACCESSOR
+}
+
+class IrLocalDelegatedPropertyImpl(
+        startOffset: Int,
+        endOffset: Int,
+        origin: IrDeclarationOrigin,
+        override val descriptor: VariableDescriptorWithAccessors
+) : IrDeclarationBase(startOffset, endOffset, origin), IrLocalDelegatedProperty {
+    constructor(
+            startOffset: Int,
+            endOffset: Int,
+            origin: IrDeclarationOrigin,
+            descriptor: VariableDescriptorWithAccessors,
+            delegate: IrVariable
+    ) : this(startOffset, endOffset, origin, descriptor) {
+        this.delegate = delegate
+    }
+
+    private var delegateImpl: IrVariable? = null
+    override var delegate: IrVariable
+        get() = delegateImpl!!
+        set(value) {
+            value.assertDetached()
+            delegateImpl?.detach()
+            delegateImpl = value
+            value.setTreeLocation(this, DELEGATE_SLOT)
+        }
+
+    private var getterImpl: IrLocalPropertyAccessor? = null
+    override var getter: IrLocalPropertyAccessor
+        get() = getterImpl!!
+        set(value) {
+            value.assertDetached()
+            getterImpl?.detach()
+            getterImpl = value
+            value.setTreeLocation(this, PROPERTY_GETTER_SLOT)
+        }
+
+    override var setter: IrLocalPropertyAccessor? = null
+        set(value) {
+            value?.assertDetached()
+            field?.detach()
+            field = value
+            value?.setTreeLocation(this, PROPERTY_SETTER_SLOT)
+        }
+
+    override fun getChild(slot: Int): IrElement? =
+            when (slot) {
+                DELEGATE_SLOT -> delegate
+                PROPERTY_GETTER_SLOT -> getter
+                PROPERTY_SETTER_SLOT -> setter
+                else -> null
+            }
+
+    override fun replaceChild(slot: Int, newChild: IrElement) {
+        when (slot) {
+            DELEGATE_SLOT -> delegate = newChild.assertCast()
+            PROPERTY_GETTER_SLOT -> getter = newChild.assertCast()
+            PROPERTY_SETTER_SLOT -> setter = newChild.assertCast()
+        }
+    }
+
+    override fun <R, D> accept(visitor: IrElementVisitor<R, D>, data: D): R =
+            visitor.visitLocalDelegatedProperty(this, data)
+
+    override fun <D> acceptChildren(visitor: IrElementVisitor<Unit, D>, data: D) {
+        delegate.accept(visitor, data)
+        getter.accept(visitor, data)
+        setter?.accept(visitor, data)
+    }
+}
+
+class IrLocalPropertyAccessorImpl(
+        startOffset: Int,
+        endOffset: Int,
+        origin: IrDeclarationOrigin,
+        override val descriptor: VariableAccessorDescriptor
+) : IrGeneralFunctionBase(startOffset, endOffset, origin), IrLocalPropertyAccessor {
+    constructor(
+            startOffset: Int,
+            endOffset: Int,
+            origin: IrDeclarationOrigin,
+            descriptor: VariableAccessorDescriptor,
+            body: IrBody
+    ) : this(startOffset, endOffset, origin, descriptor) {
+        this.body = body
+    }
+
+    override fun <R, D> accept(visitor: IrElementVisitor<R, D>, data: D): R {
+        return visitor.visitLocalPropertyAccessor(this, data)
+    }
+}

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrProperty.kt

@@ -31,11 +31,11 @@ interface IrProperty : IrDeclaration {
 }
 
 interface IrSimpleProperty : IrProperty {
-    var valueInitializer: IrBody?
+    var initializer: IrBody?
 }
 
 interface IrDelegatedProperty : IrProperty {
-    var delegate: IrDelegate
+    var delegate: IrSimpleProperty
 }
 
 abstract class IrPropertyBase(
@@ -83,7 +83,7 @@ class IrSimplePropertyImpl(
         descriptor: PropertyDescriptor,
         valueInitializer: IrBody? = null
 ) : IrPropertyBase(startOffset, endOffset, origin, descriptor), IrSimpleProperty {
-    override var valueInitializer: IrBody? = valueInitializer
+    override var initializer: IrBody? = valueInitializer
         set(value) {
             value?.assertDetached()
             field?.detach()
@@ -93,13 +93,13 @@ class IrSimplePropertyImpl(
 
     override fun getChild(slot: Int): IrElement? =
             when (slot) {
-                INITIALIZER_SLOT -> valueInitializer
+                INITIALIZER_SLOT -> initializer
                 else -> super.getChild(slot)
             }
 
     override fun replaceChild(slot: Int, newChild: IrElement) {
         when (slot) {
-            INITIALIZER_SLOT -> valueInitializer = newChild.assertCast()
+            INITIALIZER_SLOT -> initializer = newChild.assertCast()
             else -> super.replaceChild(slot, newChild)
         }
     }
@@ -108,7 +108,7 @@ class IrSimplePropertyImpl(
             visitor.visitSimpleProperty(this, data)
 
     override fun <D> acceptChildren(visitor: IrElementVisitor<Unit, D>, data: D) {
-        valueInitializer?.accept(visitor, data)
+        initializer?.accept(visitor, data)
         getter?.accept(visitor, data)
         setter?.accept(visitor, data)
     }
@@ -125,13 +125,13 @@ class IrDelegatedPropertyImpl(
             endOffset: Int,
             origin: IrDeclarationOrigin,
             descriptor: PropertyDescriptor,
-            delegate: IrDelegate
+            delegate: IrSimpleProperty
     ) : this(startOffset, endOffset, origin, descriptor) {
         this.delegate = delegate
     }
 
-    private var delegateImpl: IrDelegate? = null
-    override var delegate: IrDelegate
+    private var delegateImpl: IrSimpleProperty? = null
+    override var delegate: IrSimpleProperty
         get() = delegateImpl!!
         set(value) {
             value.assertDetached()

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrPropertyAccessor.kt

@@ -24,20 +24,19 @@ import org.jetbrains.kotlin.ir.visitors.IrElementVisitor
 
 interface IrPropertyAccessor : IrGeneralFunction {
     override val descriptor: PropertyAccessorDescriptor
+
+    override val declarationKind: IrDeclarationKind
+        get() = IrDeclarationKind.PROPERTY_ACCESSOR
 }
 
 interface IrPropertyGetter : IrPropertyAccessor {
     override val descriptor: PropertyGetterDescriptor
 
-    override val declarationKind: IrDeclarationKind
-        get() = IrDeclarationKind.PROPERTY_GETTER
+
 }
 
 interface IrPropertySetter : IrPropertyAccessor {
     override val descriptor: PropertySetterDescriptor
-
-    override val declarationKind: IrDeclarationKind
-        get() = IrDeclarationKind.PROPERTY_SETTER
 }
 
 abstract class IrPropertyAccessorBase(

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/descriptors/IrDelegateDescriptor.kt

@@ -18,19 +18,28 @@ package org.jetbrains.kotlin.ir.descriptors
 
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.descriptors.annotations.Annotations
+import org.jetbrains.kotlin.descriptors.impl.PropertyDescriptorImpl
 import org.jetbrains.kotlin.descriptors.impl.VariableDescriptorImpl
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.constants.ConstantValue
 import org.jetbrains.kotlin.types.KotlinType
 import org.jetbrains.kotlin.types.TypeSubstitutor
+import java.lang.UnsupportedOperationException
 
-interface IrDelegateDescriptor : VariableDescriptor
+interface IrDelegateDescriptor : PropertyDescriptor
 
 interface IrPropertyDelegateDescriptor : IrDelegateDescriptor {
     val correspondingProperty: PropertyDescriptor
     val kPropertyType: KotlinType
 }
 
+interface IrLocalDelegateDescriptor : VariableDescriptor
+
+interface IrLocalDelegatedPropertyDelegateDescriptor : IrLocalDelegateDescriptor {
+    val correspondingLocalProperty: VariableDescriptorWithAccessors
+    val kPropertyType: KotlinType
+}
+
 interface IrImplementingDelegateDescriptor : IrDelegateDescriptor {
     val correspondingSuperType: KotlinType
 }
@@ -39,12 +48,32 @@ abstract class IrDelegateDescriptorBase(
         containingDeclaration: DeclarationDescriptor,
         name: Name,
         delegateType: KotlinType
-) : VariableDescriptorImpl(containingDeclaration, Annotations.EMPTY, name, delegateType, SourceElement.NO_SOURCE) {
+) : PropertyDescriptorImpl(
+        containingDeclaration,
+        null, // original
+        Annotations.EMPTY,
+        Modality.FINAL,
+        Visibilities.PRIVATE,
+        false, // isVar
+        name,
+        CallableMemberDescriptor.Kind.SYNTHESIZED,
+        SourceElement.NO_SOURCE,
+        false, // lateInit
+        false // isConst
+) {
+    init {
+        setOutType(delegateType)
+    }
+
+    override final fun setOutType(outType: KotlinType?) {
+        super.setOutType(outType)
+    }
+
     override fun getCompileTimeInitializer(): ConstantValue<*>? = null
 
     override fun getVisibility(): Visibility = Visibilities.PRIVATE
 
-    override fun substitute(substitutor: TypeSubstitutor): VariableDescriptor {
+    override fun substitute(substitutor: TypeSubstitutor): PropertyDescriptor {
         throw UnsupportedOperationException("Property delegate descriptor shouldn't be substituted: $this")
     }
 
@@ -58,15 +87,21 @@ class IrPropertyDelegateDescriptorImpl(
         override val correspondingProperty: PropertyDescriptor,
         delegateType: KotlinType,
         override val kPropertyType: KotlinType
-) : IrPropertyDelegateDescriptor,
-        IrDelegateDescriptorBase(correspondingProperty.containingDeclaration, getDelegateName(correspondingProperty.name), delegateType)
+) : IrDelegateDescriptorBase(
+        correspondingProperty.containingDeclaration,
+        getDelegateName(correspondingProperty.name),
+        delegateType
+), IrPropertyDelegateDescriptor
 
 class IrImplementingDelegateDescriptorImpl(
         containingDeclaration: ClassDescriptor,
         delegateType: KotlinType,
         override val correspondingSuperType: KotlinType
-) : IrImplementingDelegateDescriptor,
-        IrDelegateDescriptorBase(containingDeclaration, getDelegateName(containingDeclaration, correspondingSuperType), delegateType)
+) : IrDelegateDescriptorBase(
+        containingDeclaration,
+        getDelegateName(containingDeclaration, correspondingSuperType),
+        delegateType
+), IrImplementingDelegateDescriptor
 
 internal fun getDelegateName(name: Name): Name =
         Name.identifier(name.asString() + "\$delegate")
@@ -74,4 +109,26 @@ internal fun getDelegateName(name: Name): Name =
 internal fun getDelegateName(classDescriptor: ClassDescriptor, superType: KotlinType): Name =
         Name.identifier(classDescriptor.name.asString() + "\$" +
                         (superType.constructor.declarationDescriptor?.name ?: "\$") +
-                        "\$delegate")
+                        "\$delegate")
+
+class IrLocalDelegatedPropertyDelegateDescriptorImpl(
+        override val correspondingLocalProperty: VariableDescriptorWithAccessors,
+        delegateType: KotlinType,
+        override val kPropertyType: KotlinType
+) : IrLocalDelegatedPropertyDelegateDescriptor,
+        VariableDescriptorImpl(
+                correspondingLocalProperty.containingDeclaration,
+                Annotations.EMPTY,
+                getDelegateName(correspondingLocalProperty.name),
+                delegateType,
+                org.jetbrains.kotlin.descriptors.SourceElement.NO_SOURCE
+        ) {
+
+    override fun getCompileTimeInitializer(): ConstantValue<*>? = null
+    override fun isVar(): Boolean = false
+    override fun substitute(substitutor: TypeSubstitutor): VariableDescriptor? = throw UnsupportedOperationException()
+    override fun getVisibility(): Visibility = Visibilities.LOCAL
+
+    override fun <R : Any?, D : Any?> accept(visitor: DeclarationDescriptorVisitor<R, D>, data: D): R =
+            visitor.visitVariableDescriptor(this, data)
+}

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DumpIrTree.kt

@@ -51,6 +51,14 @@ class DumpIrTreeVisitor(out: Appendable): IrElementVisitor<Unit, String> {
         visitFunctionWithParameters(declaration, data)
     }
 
+    override fun visitDelegatedProperty(declaration: IrDelegatedProperty, data: String) {
+        declaration.dumpLabeledElementWith(data) {
+            declaration.delegate.accept(this, "delegate")
+            declaration.getter?.accept(this, "")
+            declaration.setter?.accept(this, "")
+        }
+    }
+
     private fun visitFunctionWithParameters(declaration: IrFunction, data: String) {
         declaration.dumpLabeledElementWith(data) {
             declaration.descriptor.valueParameters.forEach { valueParameter ->

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/RenderIrElement.kt

@@ -63,9 +63,6 @@ class RenderIrElementVisitor : IrElementVisitor<String, Nothing?> {
     override fun visitVariable(declaration: IrVariable, data: Nothing?): String =
             "VAR ${declaration.descriptor.render()}"
 
-    override fun visitDelegate(declaration: IrDelegate, data: Nothing?): String =
-            "DELEGATE ${declaration.descriptor.render()}"
-
     override fun visitEnumEntry(declaration: IrEnumEntry, data: Nothing?): String =
             "ENUM_ENTRY ${declaration.descriptor.render()}"
 

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/visitors/IrElementVisitor.kt

@@ -36,8 +36,9 @@ interface IrElementVisitor<out R, in D> {
     fun visitProperty(declaration: IrProperty, data: D) = visitDeclaration(declaration, data)
     fun visitSimpleProperty(declaration: IrSimpleProperty, data: D) = visitProperty(declaration, data)
     fun visitDelegatedProperty(declaration: IrDelegatedProperty, data: D) = visitProperty(declaration, data)
+    fun visitLocalDelegatedProperty(declaration: IrLocalDelegatedProperty, data: D) = visitDeclaration(declaration, data)
+    fun visitLocalPropertyAccessor(declaration: IrLocalPropertyAccessor, data: D) = visitGeneralFunction(declaration, data)
     fun visitVariable(declaration: IrVariable, data: D) = visitDeclaration(declaration, data)
-    fun visitDelegate(declaration: IrDelegate, data: D) = visitDeclaration(declaration, data)
     fun visitEnumEntry(declaration: IrEnumEntry, data: D) = visitDeclaration(declaration, data)
     fun visitAnonymousInitializer(declaration: IrAnonymousInitializer, data: D) = visitDeclaration(declaration, data)
 
@@ -92,6 +93,4 @@ interface IrElementVisitor<out R, in D> {
     // NB Use it only for testing purposes; will be removed as soon as all Kotlin expression types are covered
     fun visitDummyDeclaration(declaration: IrDummyDeclaration, data: D) = visitDeclaration(declaration, data)
     fun visitDummyExpression(expression: IrDummyExpression, data: D) = visitExpression(expression, data)
-
-
 }

compiler/testData/ir/irText/classes/delegatedImplementation.txt

@@ -51,7 +51,7 @@ FILE /delegatedImplementation.kt
     CONSTRUCTOR public constructor Test1()
       BLOCK_BODY
         INSTANCE_INITIALIZER_CALL classDescriptor=Test1
-    DELEGATE val `Test1$IBase$delegate`: BaseImpl
+    PROPERTY val `Test1$IBase$delegate`: BaseImpl
       EXPRESSION_BODY
         GET_OBJECT BaseImpl type=BaseImpl
     FUN public open override /*1*/ /*delegation*/ fun foo(/*0*/ x: kotlin.Int, /*1*/ s: kotlin.String): kotlin.Unit
@@ -74,7 +74,7 @@ FILE /delegatedImplementation.kt
     CONSTRUCTOR public constructor Test2()
       BLOCK_BODY
         INSTANCE_INITIALIZER_CALL classDescriptor=Test2
-    DELEGATE val `Test2$IBase$delegate`: BaseImpl
+    PROPERTY val `Test2$IBase$delegate`: BaseImpl
       EXPRESSION_BODY
         GET_OBJECT BaseImpl type=BaseImpl
     FUN public open override /*1*/ /*delegation*/ fun foo(/*0*/ x: kotlin.Int, /*1*/ s: kotlin.String): kotlin.Unit
@@ -93,7 +93,7 @@ FILE /delegatedImplementation.kt
         CALL .qux type=kotlin.Unit operator=null
           $this: GET_VAR Test2$IBase$delegate type=BaseImpl operator=null
           $receiver: $RECEIVER of: qux type=kotlin.String
-    DELEGATE val `Test2$IOther$delegate`: IOther
+    PROPERTY val `Test2$IOther$delegate`: IOther
       EXPRESSION_BODY
         CALL .otherImpl type=IOther operator=null
           x0: CONST String type=kotlin.String value=''

compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.txt

@@ -14,7 +14,7 @@ FILE /delegatedImplementationWithExplicitOverride.kt
     CONSTRUCTOR public constructor C()
       BLOCK_BODY
         INSTANCE_INITIALIZER_CALL classDescriptor=C
-    DELEGATE val `C$IFooBar$delegate`: FooBarImpl
+    PROPERTY val `C$IFooBar$delegate`: FooBarImpl
       EXPRESSION_BODY
         GET_OBJECT FooBarImpl type=FooBarImpl
     FUN public open override /*1*/ /*delegation*/ fun foo(): kotlin.Unit

compiler/testData/ir/irText/declarations/delegatedProperties.txt

@@ -1,6 +1,6 @@
 FILE /delegatedProperties.kt
   PROPERTY public val test1: kotlin.Int
-    DELEGATE val `test1$delegate`: kotlin.Lazy<kotlin.Int>
+    delegate: PROPERTY val `test1$delegate`: kotlin.Lazy<kotlin.Int>
       EXPRESSION_BODY
         CALL .lazy type=kotlin.Lazy<kotlin.Int> operator=null
           initializer: BLOCK type=() -> kotlin.Int operator=LAMBDA
@@ -13,7 +13,7 @@ FILE /delegatedProperties.kt
       BLOCK_BODY
         RETURN type=kotlin.Nothing from=<get-test1>
           CALL .getValue type=kotlin.Int operator=null
-            $receiver: GET_VAR test1$delegate type=kotlin.Lazy<kotlin.Int> operator=null
+            $receiver: GET_BACKING_FIELD test1$delegate type=kotlin.Lazy<kotlin.Int> operator=null
             thisRef: CONST Null type=kotlin.Nothing? value='null'
             property: CALLABLE_REFERENCE public val test1: kotlin.Int type=kotlin.reflect.KProperty0<kotlin.Int>
   CLASS CLASS C
@@ -26,7 +26,7 @@ FILE /delegatedProperties.kt
       EXPRESSION_BODY
         GET_VAR map type=kotlin.collections.MutableMap<kotlin.String, kotlin.Any> operator=INITIALIZE_PROPERTY_FROM_PARAMETER
     PROPERTY public final val test2: kotlin.Int
-      DELEGATE val `test2$delegate`: kotlin.Lazy<kotlin.Int>
+      delegate: PROPERTY val `test2$delegate`: kotlin.Lazy<kotlin.Int>
         EXPRESSION_BODY
           CALL .lazy type=kotlin.Lazy<kotlin.Int> operator=null
             initializer: BLOCK type=() -> kotlin.Int operator=LAMBDA
@@ -39,11 +39,11 @@ FILE /delegatedProperties.kt
         BLOCK_BODY
           RETURN type=kotlin.Nothing from=<get-test2>
             CALL .getValue type=kotlin.Int operator=null
-              $receiver: GET_VAR test2$delegate type=kotlin.Lazy<kotlin.Int> operator=null
+              $receiver: GET_BACKING_FIELD test2$delegate type=kotlin.Lazy<kotlin.Int> operator=null
               thisRef: THIS public final class C type=C
               property: CALLABLE_REFERENCE public final val test2: kotlin.Int type=kotlin.reflect.KProperty1<C, kotlin.Int>
     PROPERTY public final var test3: kotlin.Any
-      DELEGATE val `test3$delegate`: kotlin.collections.MutableMap<kotlin.String, kotlin.Any>
+      delegate: PROPERTY val `test3$delegate`: kotlin.collections.MutableMap<kotlin.String, kotlin.Any>
         EXPRESSION_BODY
           CALL .<get-map> type=kotlin.collections.MutableMap<kotlin.String, kotlin.Any> operator=GET_PROPERTY
             $this: THIS public final class C type=C
@@ -51,33 +51,33 @@ FILE /delegatedProperties.kt
         BLOCK_BODY
           RETURN type=kotlin.Nothing from=<get-test3>
             CALL .getValue type=kotlin.Any operator=null
-              $receiver: GET_VAR test3$delegate type=kotlin.collections.MutableMap<kotlin.String, kotlin.Any> operator=null
+              $receiver: GET_BACKING_FIELD test3$delegate type=kotlin.collections.MutableMap<kotlin.String, kotlin.Any> operator=null
               thisRef: THIS public final class C type=C
               property: CALLABLE_REFERENCE public final var test3: kotlin.Any type=kotlin.reflect.KMutableProperty1<C, kotlin.Any>
       PROPERTY_SETTER public final fun <set-test3>(/*0*/ <set-?>: kotlin.Any): kotlin.Unit
         BLOCK_BODY
           RETURN type=kotlin.Nothing from=<set-test3>
             CALL .setValue type=kotlin.Unit operator=null
-              $receiver: GET_VAR test3$delegate type=kotlin.collections.MutableMap<kotlin.String, kotlin.Any> operator=null
+              $receiver: GET_BACKING_FIELD test3$delegate type=kotlin.collections.MutableMap<kotlin.String, kotlin.Any> operator=null
               thisRef: THIS public final class C type=C
               property: CALLABLE_REFERENCE public final var test3: kotlin.Any type=kotlin.reflect.KMutableProperty1<C, kotlin.Any>
               value: GET_VAR <set-?> type=kotlin.Any operator=null
   PROPERTY public var test4: kotlin.Any
-    DELEGATE val `test4$delegate`: java.util.HashMap<kotlin.String, kotlin.Any>
+    delegate: PROPERTY val `test4$delegate`: java.util.HashMap<kotlin.String, kotlin.Any>
       EXPRESSION_BODY
         CALL .hashMapOf type=java.util.HashMap<kotlin.String, kotlin.Any> operator=null
     PROPERTY_GETTER public fun <get-test4>(): kotlin.Any
       BLOCK_BODY
         RETURN type=kotlin.Nothing from=<get-test4>
           CALL .getValue type=kotlin.Any operator=null
-            $receiver: GET_VAR test4$delegate type=java.util.HashMap<kotlin.String, kotlin.Any> operator=null
+            $receiver: GET_BACKING_FIELD test4$delegate type=java.util.HashMap<kotlin.String, kotlin.Any> operator=null
             thisRef: CONST Null type=kotlin.Nothing? value='null'
             property: CALLABLE_REFERENCE public var test4: kotlin.Any type=kotlin.reflect.KMutableProperty0<kotlin.Any>
     PROPERTY_SETTER public fun <set-test4>(/*0*/ <set-?>: kotlin.Any): kotlin.Unit
       BLOCK_BODY
         RETURN type=kotlin.Nothing from=<set-test4>
           CALL .setValue type=kotlin.Unit operator=null
-            $receiver: GET_VAR test4$delegate type=java.util.HashMap<kotlin.String, kotlin.Any> operator=null
+            $receiver: GET_BACKING_FIELD test4$delegate type=java.util.HashMap<kotlin.String, kotlin.Any> operator=null
             thisRef: CONST Null type=kotlin.Nothing? value='null'
             property: CALLABLE_REFERENCE public var test4: kotlin.Any type=kotlin.reflect.KMutableProperty0<kotlin.Any>
             value: GET_VAR <set-?> type=kotlin.Any operator=null

compiler/testData/ir/irText/declarations/localDelegatedProperties.kt

@@ -0,0 +1,4 @@
+fun test1() {
+    val x by lazy { 42 }
+    println(x)
+}

compiler/testData/ir/irText/declarations/localDelegatedProperties.txt

@@ -0,0 +1,21 @@
+FILE /localDelegatedProperties.kt
+  FUN public fun test1(): kotlin.Unit
+    BLOCK_BODY
+      ? IrLocalDelegatedPropertyImpl x
+        VAR val `x$delegate`: kotlin.Lazy<kotlin.Int>
+          CALL .lazy type=kotlin.Lazy<kotlin.Int> operator=null
+            initializer: BLOCK type=() -> kotlin.Int operator=LAMBDA
+              FUN local final fun <anonymous>(): kotlin.Int
+                BLOCK_BODY
+                  RETURN type=kotlin.Nothing from=<anonymous>
+                    CONST Int type=kotlin.Int value='42'
+              CALLABLE_REFERENCE local final fun <anonymous>(): kotlin.Int type=() -> kotlin.Int
+        ? IrLocalPropertyAccessorImpl <get-x>
+          BLOCK_BODY
+            RETURN type=kotlin.Nothing from=<get-x>
+              CALL .getValue type=kotlin.Int operator=null
+                $receiver: GET_VAR x$delegate type=kotlin.Lazy<kotlin.Int> operator=null
+                thisRef: CONST Null type=kotlin.Nothing? value='null'
+                property: CALLABLE_REFERENCE val x: kotlin.Int type=kotlin.reflect.KProperty0<kotlin.Int>
+      CALL .println type=kotlin.Unit operator=null
+        message: GET_VAR x type=kotlin.Int operator=null

compiler/tests/org/jetbrains/kotlin/ir/IrTextTestCaseGenerated.java

@@ -184,6 +184,12 @@ public class IrTextTestCaseGenerated extends AbstractIrTextTestCase {
             doTest(fileName);
         }
 
+        @TestMetadata("localDelegatedProperties.kt")
+        public void testLocalDelegatedProperties() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/ir/irText/declarations/localDelegatedProperties.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("typeAlias.kt")
         public void testTypeAlias() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/ir/irText/declarations/typeAlias.kt");