Merge branch 'master' into kotlin-mirror/master

# Conflicts:
#	backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/Ir.kt
#	backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/FunctionInlining.kt

backend.native/cli.bc/src/org/jetbrains/kotlin/cli/bc/K2Native.kt

@@ -177,6 +177,18 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
 
                 put(ENABLE_ASSERTIONS, arguments.enableAssertions)
 
+                put(MEMORY_MODEL, when (arguments.memoryModel) {
+                    "relaxed" -> {
+                        configuration.report(STRONG_WARNING, "Relaxed memory model is not yet functional")
+                        MemoryModel.RELAXED
+                    }
+                    "strict" -> MemoryModel.STRICT
+                    else -> {
+                        configuration.report(ERROR, "Unsupported memory model ${arguments.memoryModel}")
+                        return
+                    }
+                })
+
                 when {
                     arguments.generateWorkerTestRunner -> put(GENERATE_TEST_RUNNER, TestRunnerKind.WORKER)
                     arguments.generateTestRunner -> put(GENERATE_TEST_RUNNER, TestRunnerKind.MAIN_THREAD)
@@ -206,9 +218,7 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
         }
     }
 
-    override fun createArguments(): K2NativeCompilerArguments {
-        return K2NativeCompilerArguments()
-    }
+    override fun createArguments() = K2NativeCompilerArguments()
 
     override fun executableScriptFileName() = "kotlinc-native"
 

backend.native/cli.bc/src/org/jetbrains/kotlin/cli/bc/K2NativeCompilerArguments.kt

@@ -5,7 +5,6 @@
 
 package org.jetbrains.kotlin.cli.bc
 
-import org.jetbrains.kotlin.backend.konan.TestRunnerKind
 import org.jetbrains.kotlin.cli.common.arguments.CommonCompilerArguments
 import org.jetbrains.kotlin.cli.common.arguments.Argument
 import org.jetbrains.kotlin.cli.common.messages.MessageCollector
@@ -48,7 +47,10 @@ class K2NativeCompilerArguments : CommonCompilerArguments() {
     @Argument(value = "-manifest", valueDescription = "<path>", description = "Provide a maniferst addend file")
     var manifestFile: String? = null
 
-    @Argument(value="-module-name", deprecatedName = "-module_name", valueDescription = "<name>", description = "Spicify a name for the compilation module")
+    @Argument(value="-memory-model", valueDescription = "<model>", description = "Memory model to use, 'strict' and 'relaxed' are currently supported")
+    var memoryModel: String? = "strict"
+
+    @Argument(value="-module-name", deprecatedName = "-module_name", valueDescription = "<name>", description = "Specify a name for the compilation module")
     var moduleName: String? = null
 
     @Argument(value = "-native-library", deprecatedName = "-nativelibrary", shortName = "-nl", valueDescription = "<path>", description = "Include the native bitcode library")
@@ -195,6 +197,8 @@ class K2NativeCompilerArguments : CommonCompilerArguments() {
             super.configureAnalysisFlags(collector).also {
                 val useExperimental = it[AnalysisFlags.useExperimental] as List<*>
                 it[AnalysisFlags.useExperimental] = useExperimental + listOf("kotlin.ExperimentalUnsignedTypes")
+                if (printIr)
+                    phasesToDumpAfter = arrayOf("ALL")
             }
 }
 

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/CAdapterGenerator.kt

@@ -104,8 +104,6 @@ internal val cKeywords = setOf(
         "xor_eq"
 )
 
-private val cnameAnnotation = FqName("kotlin.native.CName")
-
 private fun org.jetbrains.kotlin.types.KotlinType.isGeneric() =
         constructor.declarationDescriptor is TypeParameterDescriptor
 
@@ -143,7 +141,7 @@ private fun AnnotationDescriptor.properValue(key: String) =
 
 private fun functionImplName(descriptor: DeclarationDescriptor, default: String, shortName: Boolean): String {
     assert(descriptor is FunctionDescriptor)
-    val annotation = descriptor.annotations.findAnnotation(cnameAnnotation) ?: return default
+    val annotation = descriptor.annotations.findAnnotation(RuntimeNames.cnameAnnotation) ?: return default
     val key = if (shortName) "shortName" else "externName"
     val value = annotation.properValue(key)
     return value.takeIf { value != null && value.isNotEmpty() } ?: default
@@ -265,9 +263,10 @@ private class ExportedElement(val kind: ElementKind,
     val isFunction = declaration is FunctionDescriptor
     val isTopLevelFunction: Boolean
         get() {
-            if (declaration !is FunctionDescriptor || !declaration.annotations.hasAnnotation(cnameAnnotation))
+            if (declaration !is FunctionDescriptor ||
+                    !declaration.annotations.hasAnnotation(RuntimeNames.cnameAnnotation))
                 return false
-            val annotation = declaration.annotations.findAnnotation(cnameAnnotation)!!
+            val annotation = declaration.annotations.findAnnotation(RuntimeNames.cnameAnnotation)!!
             val externName = annotation.properValue("externName")
             return externName != null && externName.isNotEmpty()
         }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/Context.kt

@@ -193,6 +193,7 @@ internal class SpecialDeclarationsFactory(val context: Context) : KotlinMangler
 }
 
 internal class Context(config: KonanConfig) : KonanBackendContext(config) {
+    lateinit var frontendServices: FrontendServices
     lateinit var environment: KotlinCoreEnvironment
     lateinit var bindingContext: BindingContext
 
@@ -426,20 +427,8 @@ internal class Context(config: KonanConfig) : KonanBackendContext(config) {
         printIr()
         printBitCode()
     }
-
-    fun shouldVerifyDescriptors() = config.configuration.getBoolean(KonanConfigKeys.VERIFY_DESCRIPTORS)
-
-    fun shouldVerifyIr() = config.configuration.getBoolean(KonanConfigKeys.VERIFY_IR)
-
     fun shouldVerifyBitCode() = config.configuration.getBoolean(KonanConfigKeys.VERIFY_BITCODE)
 
-    fun shouldPrintDescriptors() = config.configuration.getBoolean(KonanConfigKeys.PRINT_DESCRIPTORS)
-
-    fun shouldPrintIr() = config.configuration.getBoolean(KonanConfigKeys.PRINT_IR)
-
-    fun shouldPrintIrWithDescriptors()=
-            config.configuration.getBoolean(KonanConfigKeys.PRINT_IR_WITH_DESCRIPTORS)
-
     fun shouldPrintBitCode() = config.configuration.getBoolean(KonanConfigKeys.PRINT_BITCODE)
 
     fun shouldPrintLocations() = config.configuration.getBoolean(KonanConfigKeys.PRINT_LOCATIONS)
@@ -450,6 +439,8 @@ internal class Context(config: KonanConfig) : KonanBackendContext(config) {
 
     fun shouldOptimize() = config.configuration.getBoolean(KonanConfigKeys.OPTIMIZATION)
 
+    val memoryModel = config.memoryModel
+
     override var inVerbosePhase = false
     override fun log(message: () -> String) {
         if (inVerbosePhase) {

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanCompilerFrontendServices.kt

@@ -10,11 +10,13 @@ import org.jetbrains.kotlin.backend.konan.objcexport.ObjCExportLazy
 import org.jetbrains.kotlin.backend.konan.objcexport.ObjCExportLazyImpl
 import org.jetbrains.kotlin.backend.konan.objcexport.ObjCExportWarningCollector
 import org.jetbrains.kotlin.backend.konan.objcexport.dumpObjCHeader
-import org.jetbrains.kotlin.config.CompilerConfiguration
 import org.jetbrains.kotlin.container.*
 import org.jetbrains.kotlin.psi.KtFile
+import org.jetbrains.kotlin.resolve.deprecation.DeprecationResolver
 
 internal fun StorageComponentContainer.initContainer(config: KonanConfig) {
+    this.useImpl<FrontendServices>()
+
     if (config.configuration.get(KonanConfigKeys.EMIT_LAZY_OBJC_HEADER_FILE) != null) {
         this.useImpl<ObjCExportLazyImpl>()
         this.useInstance(ObjCExportWarningCollector.SILENT)
@@ -35,8 +37,12 @@ internal fun StorageComponentContainer.initContainer(config: KonanConfig) {
     }
 }
 
-internal fun ComponentProvider.postprocessComponents(configuration: CompilerConfiguration, files: Collection<KtFile>) {
-    configuration.get(KonanConfigKeys.EMIT_LAZY_OBJC_HEADER_FILE)?.let {
+internal fun ComponentProvider.postprocessComponents(context: Context, files: Collection<KtFile>) {
+    context.frontendServices = this.get<FrontendServices>()
+
+    context.config.configuration.get(KonanConfigKeys.EMIT_LAZY_OBJC_HEADER_FILE)?.let {
         this.get<ObjCExportLazy>().dumpObjCHeader(files, it)
     }
-}
+}
+
+class FrontendServices(val deprecationResolver: DeprecationResolver)

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanConfig.kt

@@ -46,6 +46,8 @@ class KonanConfig(val project: Project, val configuration: CompilerConfiguration
 
     val debug: Boolean get() = configuration.getBoolean(KonanConfigKeys.DEBUG)
 
+    val memoryModel: MemoryModel get() = configuration.get(KonanConfigKeys.MEMORY_MODEL)!!
+
     init {
         if (!platformManager.isEnabled(target)) {
             error("Target ${target.visibleName} is not available on the ${HostManager.hostName} host")
@@ -126,6 +128,7 @@ class KonanConfig(val project: Project, val configuration: CompilerConfiguration
 
     internal val defaultNativeLibraries: List<String> = mutableListOf<String>().apply {
         add(if (debug) "debug.bc" else "release.bc")
+        add(if (memoryModel == MemoryModel.STRICT) "strict.bc" else "relaxed.bc")
         if (produce == CompilerOutputKind.PROGRAM) {
             addAll(distribution.launcherFiles)
         }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanConfigurationKeys.kt

@@ -52,6 +52,8 @@ class KonanConfigKeys {
                 = CompilerConfigurationKey.create("list available targets")
         val MANIFEST_FILE: CompilerConfigurationKey<String?> 
                 = CompilerConfigurationKey.create("provide manifest addend file")
+        val MEMORY_MODEL: CompilerConfigurationKey<MemoryModel>
+                = CompilerConfigurationKey.create("memory model")
         val META_INFO: CompilerConfigurationKey<List<String>> 
                 = CompilerConfigurationKey.create("generate metadata")
         val MODULE_KIND: CompilerConfigurationKey<ModuleKind> 

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanLoweringPhases.kt

@@ -155,7 +155,8 @@ internal val sharedVariablesPhase = makeKonanFileLoweringPhase(
 internal val localFunctionsPhase = makeKonanFileOpPhase(
         op = { context, irFile ->
             LocalDelegatedPropertiesLowering().lower(irFile)
-            LocalDeclarationsLowering(context).runOnFilePostfix(irFile)
+            LocalDeclarationsLowering(context).lower(irFile)
+            LocalClassPopupLowering(context).lower(irFile)
         },
         name = "LocalFunctions",
         description = "Local function lowering",

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/MemoryModel.kt

@@ -0,0 +1,10 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+package org.jetbrains.kotlin.backend.konan
+
+enum class MemoryModel(val suffix: String) {
+    STRICT("Strict"),
+    RELAXED("Relaxed")
+}

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/RuntimeNames.kt

@@ -3,14 +3,18 @@ package org.jetbrains.kotlin.backend.konan
 import org.jetbrains.kotlin.name.FqName
 
 object RuntimeNames {
-    val symbolName = FqName("kotlin.native.SymbolName")
+    val symbolNameAnnotation = FqName("kotlin.native.SymbolName")
+    val cnameAnnotation = FqName("kotlin.native.CName")
+    val frozenAnnotation = FqName("kotlin.native.internal.Frozen")
     val exportForCppRuntime = FqName("kotlin.native.internal.ExportForCppRuntime")
     val exportForCompilerAnnotation = FqName("kotlin.native.internal.ExportForCompiler")
     val exportTypeInfoAnnotation = FqName("kotlin.native.internal.ExportTypeInfo")
     val cCall = FqName("kotlinx.cinterop.internal.CCall")
+    val objCMethodAnnotation = FqName("kotlinx.cinterop.ObjCMethod")
     val objCMethodImp = FqName("kotlinx.cinterop.ObjCMethodImp")
     val independent = FqName("kotlin.native.internal.Independent")
     val filterExceptions = FqName("kotlin.native.internal.FilterExceptions")
     val kotlinNativeInternalPackageName = FqName.fromSegments(listOf("kotlin", "native", "internal"))
     val associatedObjectKey = FqName("kotlin.reflect.AssociatedObjectKey")
+    val typedIntrinsicAnnotation = FqName("kotlin.native.internal.TypedIntrinsic")
 }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/TestRunnerKind.kt

@@ -2,8 +2,6 @@
  * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
  * that can be found in the LICENSE file.
  */
-
-
 package org.jetbrains.kotlin.backend.konan
 
 enum class TestRunnerKind {

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/TopDownAnalyzerFacadeForKonan.kt

@@ -77,7 +77,7 @@ internal object TopDownAnalyzerFacadeForKonan {
         ) {
             initContainer(context.config)
         }.apply {
-            postprocessComponents(context.config.configuration, files)
+            postprocessComponents(context, files)
         }.get<LazyTopDownAnalyzer>()
 
         analyzerForKonan.analyzeDeclarations(TopDownAnalysisMode.TopLevelDeclarations, files)

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ToplevelPhases.kt

@@ -344,5 +344,8 @@ internal fun PhaseConfig.konanPhasesConfig(config: KonanConfig) {
         switch(bitcodePhase, config.produce != CompilerOutputKind.LIBRARY)
         switch(linkPhase, config.produce.isNativeBinary)
         switch(testProcessorPhase, getNotNull(KonanConfigKeys.GENERATE_TEST_RUNNER) != TestRunnerKind.NONE)
+        switch(buildDFGPhase, config.configuration.getBoolean(KonanConfigKeys.OPTIMIZATION))
+        switch(devirtualizationPhase, config.configuration.getBoolean(KonanConfigKeys.OPTIMIZATION))
+        switch(dcePhase, config.configuration.getBoolean(KonanConfigKeys.OPTIMIZATION))
     }
 }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/descriptors/LegacyDescriptorUtils.kt

@@ -216,19 +216,14 @@ fun CallableMemberDescriptor.findSourceFile(): SourceFile {
     }
 }
 
-internal val TypedIntrinsic = FqName("kotlin.native.internal.TypedIntrinsic")
-private val symbolNameAnnotation = FqName("kotlin.native.SymbolName")
-private val objCMethodAnnotation = FqName("kotlinx.cinterop.ObjCMethod")
-private val frozenAnnotation = FqName("kotlin.native.internal.Frozen")
-
 internal val DeclarationDescriptor.isFrozen: Boolean
-    get() = this.annotations.hasAnnotation(frozenAnnotation) ||
+    get() = this.annotations.hasAnnotation(RuntimeNames.frozenAnnotation) ||
             (this is org.jetbrains.kotlin.descriptors.ClassDescriptor
                     // RTTI is used for non-reference type box or Objective-C object wrapper:
                     && (!this.defaultType.binaryTypeIsReference() || this.isObjCClass()))
 
 internal val FunctionDescriptor.isTypedIntrinsic: Boolean
-    get() = this.annotations.hasAnnotation(TypedIntrinsic)
+    get() = this.annotations.hasAnnotation(RuntimeNames.typedIntrinsicAnnotation)
 
 // TODO: coalesce all our annotation value getters into fewer functions.
 fun getAnnotationValue(annotation: AnnotationDescriptor): String? {
@@ -239,12 +234,12 @@ fun getAnnotationValue(annotation: AnnotationDescriptor): String? {
 }
 
 fun CallableMemberDescriptor.externalSymbolOrThrow(): String? {
-    this.annotations.findAnnotation(symbolNameAnnotation)?.let {
+    this.annotations.findAnnotation(RuntimeNames.symbolNameAnnotation)?.let {
         return getAnnotationValue(it)!!
     }
-    if (this.annotations.hasAnnotation(objCMethodAnnotation)) return null
+    if (this.annotations.hasAnnotation(RuntimeNames.objCMethodAnnotation)) return null
 
-    if (this.annotations.hasAnnotation(TypedIntrinsic)) return null
+    if (this.annotations.hasAnnotation(RuntimeNames.typedIntrinsicAnnotation)) return null
 
     if (this.annotations.hasAnnotation(RuntimeNames.cCall)) return null
 

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/Ir.kt

@@ -107,7 +107,7 @@ internal class KonanSymbols(context: Context, private val symbolTable: SymbolTab
 
     val arrayList = symbolTable.referenceClass(getArrayListClassDescriptor(context))
 
-    val symbolName = topLevelClass(RuntimeNames.symbolName)
+    val symbolName = topLevelClass(RuntimeNames.symbolNameAnnotation)
     val filterExceptions = topLevelClass(RuntimeNames.filterExceptions)
     val exportForCppRuntime = topLevelClass(RuntimeNames.exportForCppRuntime)
 
@@ -338,8 +338,6 @@ internal class KonanSymbols(context: Context, private val symbolTable: SymbolTab
 
     override val suspendCoroutineUninterceptedOrReturn = konanSuspendCoroutineUninterceptedOrReturn
 
-    override val coroutineGetContext = konanCoroutineContextGetter
-
     private val coroutinesIntrinsicsPackage = context.builtIns.builtInsModule.getPackage(
         context.config.configuration.languageVersionSettings.coroutinesIntrinsicsPackageFqName()).memberScope
 
@@ -349,10 +347,13 @@ internal class KonanSymbols(context: Context, private val symbolTable: SymbolTab
     val continuationClassDescriptor = coroutinesPackage
             .getContributedClassifier(Name.identifier("Continuation"), NoLookupLocation.FROM_BACKEND) as ClassDescriptor
 
-    override val coroutineContextGetter = symbolTable.referenceSimpleFunction(coroutinesPackage
+    private val coroutineContextGetterDescriptor = coroutinesPackage
             .getContributedVariables(Name.identifier("coroutineContext"), NoLookupLocation.FROM_BACKEND)
             .single()
-            .getter!!)
+            .getter!!
+
+    override val coroutineContextGetter = symbolTable.referenceSimpleFunction(coroutineContextGetterDescriptor)
+    override val coroutineGetContext = coroutineContextGetter
 
     override val coroutineImpl get() = TODO()
 

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/BinaryInterface.kt

@@ -16,20 +16,15 @@ import org.jetbrains.kotlin.backend.konan.ir.getObjCMethodInfo
 import org.jetbrains.kotlin.backend.konan.ir.isObjCClassMethod
 import org.jetbrains.kotlin.backend.konan.ir.isUnit
 import org.jetbrains.kotlin.backend.konan.llvm.KonanMangler.isExported
-import org.jetbrains.kotlin.backend.konan.optimizations.DataFlowIR
-import org.jetbrains.kotlin.descriptors.ModuleDescriptor
 import org.jetbrains.kotlin.ir.declarations.*
-import org.jetbrains.kotlin.ir.symbols.IrTypeParameterSymbol
 import org.jetbrains.kotlin.ir.types.*
 import org.jetbrains.kotlin.ir.util.fqNameForIrSerialization
 import org.jetbrains.kotlin.ir.types.getClass
-import org.jetbrains.kotlin.ir.util.fqNameSafe
 import org.jetbrains.kotlin.ir.util.isSuspend
 import org.jetbrains.kotlin.ir.util.isVararg
 import org.jetbrains.kotlin.backend.konan.isInlinedNative
 import org.jetbrains.kotlin.konan.library.KonanLibrary
 import org.jetbrains.kotlin.library.uniqueName
-import org.jetbrains.kotlin.name.FqName
 
 
 // This file describes the ABI for Kotlin descriptors of exported declarations.
@@ -53,34 +48,25 @@ object KonanMangler : KotlinManglerImpl() {
     override fun IrDeclaration.isPlatformSpecificExported(): Boolean {
         // TODO: revise
         val descriptorAnnotations = this.descriptor.annotations
-        if (descriptorAnnotations.hasAnnotation(symbolNameAnnotation)) {
+        if (descriptorAnnotations.hasAnnotation(RuntimeNames.symbolNameAnnotation)) {
             // Treat any `@SymbolName` declaration as exported.
             return true
         }
-        if (descriptorAnnotations.hasAnnotation(exportForCppRuntimeAnnotation)) {
+        if (descriptorAnnotations.hasAnnotation(RuntimeNames.exportForCppRuntime)) {
             // Treat any `@ExportForCppRuntime` declaration as exported.
             return true
         }
-        if (descriptorAnnotations.hasAnnotation(cnameAnnotation)) {
+        if (descriptorAnnotations.hasAnnotation(RuntimeNames.cnameAnnotation)) {
             // Treat `@CName` declaration as exported.
             return true
         }
-        if (descriptorAnnotations.hasAnnotation(exportForCompilerAnnotation)) {
+        if (descriptorAnnotations.hasAnnotation(RuntimeNames.exportForCompilerAnnotation)) {
             return true
         }
 
         return false
     }
 
-    private val symbolNameAnnotation = RuntimeNames.symbolName
-
-    private val cnameAnnotation = FqName("kotlin.native.CName")
-
-    private val exportForCppRuntimeAnnotation = RuntimeNames.exportForCppRuntime
-
-    private val exportForCompilerAnnotation = RuntimeNames.exportForCompilerAnnotation
-
-
     override val IrFunction.argsPart get() = this.valueParameters.map {
 
         // TODO: there are clashes originating from ObjectiveC interop.
@@ -128,7 +114,7 @@ object KonanMangler : KotlinManglerImpl() {
                 }
             }
 
-            this.descriptor.annotations.findAnnotation(exportForCppRuntimeAnnotation)?.let {
+            this.descriptor.annotations.findAnnotation(RuntimeNames.exportForCppRuntime)?.let {
                 val name = getAnnotationValue(it) ?: this.name.asString()
                 return name // no wrapping currently required
             }
@@ -148,8 +134,6 @@ internal val IrClass.writableTypeInfoSymbolName: String
         return "ktypew:" + this.fqNameForIrSerialization.toString()
     }
 
-internal val theUnitInstanceName = "kobj:kotlin.Unit"
-
 internal val IrClass.objectInstanceFieldSymbolName: String
     get() {
         assert (this.isExported())
@@ -194,21 +178,9 @@ internal fun RuntimeAware.getLlvmFunctionType(function: IrFunction): LLVMTypeRef
     return functionType(returnType, isVarArg = false, paramTypes = *paramTypes.toTypedArray())
 }
 
-internal fun RuntimeAware.getLlvmFunctionType(symbol: DataFlowIR.FunctionSymbol): LLVMTypeRef {
-    val returnType = if (symbol.returnsUnit) voidType else getLLVMType(symbol.returnParameter.type)
-    val paramTypes = ArrayList(symbol.parameters.map { getLLVMType(it.type) })
-    if (isObjectType(returnType)) paramTypes.add(kObjHeaderPtrPtr)
-
-    return functionType(returnType, isVarArg = false, paramTypes = *paramTypes.toTypedArray())
-}
-
 internal val IrClass.typeInfoHasVtableAttached: Boolean
     get() = !this.isAbstract() && !this.isExternalObjCClass()
 
-internal fun ModuleDescriptor.privateFunctionSymbolName(index: Int, functionName: String?) = "private_functions_${name.asString()}_${functionName}_$index"
-
-internal fun ModuleDescriptor.privateClassSymbolName(index: Int, className: String?) = "private_classes_${name.asString()}_${className}_$index"
-
 internal val String.moduleConstructorName
     get() = "_Konan_init_${this}"
 

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/CodeGenerator.kt

@@ -155,6 +155,11 @@ private inline fun <R> generateFunctionBody(
     functionGenerationContext.resetDebugLocation()
 }
 
+/**
+ * There're cases when we don't need end position or it is meaningless.
+ */
+internal data class LocationInfoRange(var start: LocationInfo, var end: LocationInfo?)
+
 internal class FunctionGenerationContext(val function: LLVMValueRef,
                                          val codegen: CodeGenerator,
                                          startLocation: LocationInfo?,
@@ -163,11 +168,11 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
 
     override val context = codegen.context
     val vars = VariableManager(this)
-    private val basicBlockToLastLocation = mutableMapOf<LLVMBasicBlockRef, LocationInfo>()
+    private val basicBlockToLastLocation = mutableMapOf<LLVMBasicBlockRef, LocationInfoRange>()
 
-    private fun update(block:LLVMBasicBlockRef, locationInfo: LocationInfo?) {
+    private fun update(block:LLVMBasicBlockRef, locationInfo: LocationInfo?, endLocation: LocationInfo? = null) {
         locationInfo ?: return
-        basicBlockToLastLocation.put(block, locationInfo)
+        basicBlockToLastLocation.put(block, LocationInfoRange(locationInfo, endLocation))
     }
 
     var returnType: LLVMTypeRef? = LLVMGetReturnType(getFunctionType(function))
@@ -209,9 +214,9 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
         return bb
     }
 
-    fun basicBlock(name:String = "label_" , locationInfo:LocationInfo?): LLVMBasicBlockRef {
+    fun basicBlock(name:String = "label_", startLocationInfo:LocationInfo?, endLocationInfo: LocationInfo? = null): LLVMBasicBlockRef {
         val result = LLVMInsertBasicBlock(this.currentBlock, name)!!
-        update(result, locationInfo)
+        update(result, startLocationInfo, endLocationInfo)
         LLVMMoveBasicBlockAfter(result, this.currentBlock)
         return result
     }
@@ -307,12 +312,18 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
     }
 
     private fun updateReturnRef(value: LLVMValueRef, address: LLVMValueRef) {
-        store(value, address)
+        if (context.memoryModel == MemoryModel.STRICT)
+            store(value, address)
+        else
+            call(context.llvm.updateReturnRefFunction, listOf(address, value))
     }
 
     private fun updateRef(value: LLVMValueRef, address: LLVMValueRef, onStack: Boolean) {
         if (onStack) {
-            store(value, address)
+            if (context.memoryModel == MemoryModel.STRICT)
+                store(value, address)
+            else
+                call(context.llvm.updateStackRefFunction, listOf(address, value))
         } else {
             call(context.llvm.updateHeapRefFunction, listOf(address, value))
         }
@@ -340,24 +351,6 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
 
                 SlotType.ANONYMOUS -> vars.createAnonymousSlot()
 
-                SlotType.RETURN_IF_ARENA -> returnSlot.let {
-                    if (it != null)
-                        call(context.llvm.getReturnSlotIfArenaFunction, listOf(it, vars.createAnonymousSlot()))
-                    else {
-                        // Return type is not an object type - can allocate locally.
-                        localAllocs++
-                        arenaSlot!!
-                    }
-                }
-
-                is SlotType.PARAM_IF_ARENA ->
-                    if (LLVMTypeOf(vars.load(resultLifetime.slotType.parameter)) != codegen.runtime.objHeaderPtrType)
-                        vars.createAnonymousSlot()
-                    else {
-                        call(context.llvm.getParamSlotIfArenaFunction,
-                                listOf(vars.load(resultLifetime.slotType.parameter), vars.createAnonymousSlot()))
-                    }
-
                 else -> throw Error("Incorrect slot type: ${resultLifetime.slotType}")
             }
             args + resultSlot
@@ -387,8 +380,11 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
                 }
             }
 
-            val success = basicBlock("call_success", position())
+            val position = position()
+            val endLocation = position?.start.let { position?.end }
+            val success = basicBlock("call_success", endLocation)
             val result = LLVMBuildInvoke(builder, llvmFunction, rargs, args.size, success, unwind, "")!!
+            update(success, endLocation, endLocation)
             positionAtEnd(success)
             return result
         }
@@ -538,15 +534,15 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
     }
 
     fun filteringExceptionHandler(codeContext: CodeContext): ExceptionHandler {
-        val lpBlock = basicBlockInFunction("filteringExceptionHandler", position())
+        val lpBlock = basicBlockInFunction("filteringExceptionHandler", position()?.start)
 
         appendingTo(lpBlock) {
             val landingpad = gxxLandingpad(2)
             LLVMAddClause(landingpad, kotlinExceptionRtti.llvm)
             LLVMAddClause(landingpad, LLVMConstNull(kInt8Ptr))
 
-            val fatalForeignExceptionBlock = basicBlock("fatalForeignException", position())
-            val forwardKotlinExceptionBlock = basicBlock("forwardKotlinException", position())
+            val fatalForeignExceptionBlock = basicBlock("fatalForeignException", position()?.start)
+            val forwardKotlinExceptionBlock = basicBlock("forwardKotlinException", position()?.start)
 
             val isKotlinException = icmpEq(
                     extractValue(landingpad, 1),
@@ -577,7 +573,7 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
         call(context.llvm.cxxStdTerminate, emptyList())
 
         // Note: unreachable instruction to be generated here, but debug information is improper in this case.
-        val loopBlock = basicBlock("loop", position())
+        val loopBlock = basicBlock("loop", position()?.start)
         br(loopBlock)
         appendingTo(loopBlock) {
             br(loopBlock)
@@ -638,12 +634,14 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
     ): LLVMValueRef {
         val resultType = thenValue.type
 
-        val bbExit = basicBlock(locationInfo = position())
+        val position = position()
+        val endPosition = position()?.end
+        val bbExit = basicBlock(startLocationInfo = endPosition, endLocationInfo = endPosition)
         val resultPhi = appendingTo(bbExit) {
             phi(resultType)
         }
 
-        val bbElse = basicBlock(locationInfo = position())
+        val bbElse = basicBlock(startLocationInfo = position?.start, endLocationInfo = endPosition)
 
         condBr(condition, bbExit, bbElse)
         assignPhis(resultPhi to thenValue)
@@ -659,8 +657,9 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
     }
 
     inline fun ifThen(condition: LLVMValueRef, thenBlock: () -> Unit) {
-        val bbExit = basicBlock(locationInfo = position())
-        val bbThen = basicBlock(locationInfo = position())
+        val endPosition = position()?.end
+        val bbExit = basicBlock(startLocationInfo = endPosition, endLocationInfo = endPosition)
+        val bbThen = basicBlock(startLocationInfo = endPosition, endLocationInfo = endPosition)
 
         condBr(condition, bbThen, bbExit)
 
@@ -672,10 +671,10 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
         positionAtEnd(bbExit)
     }
 
-    internal fun debugLocation(locationInfo: LocationInfo): DILocationRef? {
+    internal fun debugLocation(startLocationInfo: LocationInfo, endLocation: LocationInfo?): DILocationRef? {
         if (!context.shouldContainDebugInfo()) return null
-        update(currentBlock, locationInfo)
-        val debugLocation = codegen.generateLocationInfo(locationInfo)
+        update(currentBlock, startLocationInfo, endLocation)
+        val debugLocation = codegen.generateLocationInfo(startLocationInfo)
         currentPositionHolder.setBuilderDebugLocation(debugLocation)
         return debugLocation
     }
@@ -753,7 +752,8 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
     fun getObjectValue(
             irClass: IrClass,
             exceptionHandler: ExceptionHandler,
-            locationInfo: LocationInfo?
+            startLocationInfo: LocationInfo?,
+            endLocationInfo: LocationInfo? = null
     ): LLVMValueRef {
         if (irClass.isUnit()) {
             return codegen.theUnitInstanceRef.llvm
@@ -775,8 +775,8 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
 
         val shared = irClass.objectIsShared && context.config.threadsAreAllowed
         val objectPtr = codegen.getObjectInstanceStorage(irClass, shared)
-        val bbInit = basicBlock("label_init", locationInfo)
-        val bbExit = basicBlock("label_continue", locationInfo)
+        val bbInit = basicBlock("label_init", startLocationInfo, endLocationInfo)
+        val bbExit = basicBlock("label_continue", startLocationInfo, endLocationInfo)
         val objectVal = loadSlot(objectPtr, false)
         val objectInitialized = icmpUGt(ptrToInt(objectVal, codegen.intPtrType), codegen.immOneIntPtrType)
         val bbCurrent = currentBlock
@@ -958,7 +958,7 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
                     releaseVars()
                     LLVMBuildRet(builder, returnPhi)
                 }
-            // Do nothing, all paths throw.
+                // Do nothing, all paths throw.
                 else -> LLVMBuildUnreachable(builder)
             }
         }
@@ -1046,7 +1046,7 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
 
         fun positionAtEnd(block: LLVMBasicBlockRef) {
             LLVMPositionBuilderAtEnd(builder, block)
-            basicBlockToLastLocation[block]?.let{ debugLocation(it) }
+            basicBlockToLastLocation[block]?.let{ debugLocation(it.start, it.end) }
             val lastInstr = LLVMGetLastInstruction(block)
             isAfterTerminator = lastInstr != null && (LLVMIsATerminatorInst(lastInstr) != null)
         }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/ContextUtils.kt

@@ -260,7 +260,8 @@ internal class Llvm(val context: Context, val llvmModule: LLVMModuleRef) {
             throw IllegalArgumentException("function $name already exists")
         }
 
-        val externalFunction = LLVMGetNamedFunction(otherModule, name)!!
+        val externalFunction = LLVMGetNamedFunction(otherModule, name) ?:
+            throw Error("function $name not found")
 
         val functionType = getFunctionType(externalFunction)
         val function = LLVMAddFunction(llvmModule, name, functionType)!!
@@ -418,18 +419,20 @@ internal class Llvm(val context: Context, val llvmModule: LLVMModuleRef) {
     }
 
     private fun importRtFunction(name: String) = importFunction(name, runtime.llvmModule)
+    private fun importModelSpecificRtFunction(name: String) =
+            importRtFunction(name + context.memoryModel.suffix)
 
     private fun importRtGlobal(name: String) = importGlobal(name, runtime.llvmModule)
 
-    val allocInstanceFunction = importRtFunction("AllocInstance")
-    val allocArrayFunction = importRtFunction("AllocArrayInstance")
-    val initInstanceFunction = importRtFunction("InitInstance")
-    val initSharedInstanceFunction = importRtFunction("InitSharedInstance")
+    val allocInstanceFunction = importModelSpecificRtFunction("AllocInstance")
+    val allocArrayFunction = importModelSpecificRtFunction("AllocArrayInstance")
+    val initInstanceFunction = importModelSpecificRtFunction("InitInstance")
+    val initSharedInstanceFunction = importModelSpecificRtFunction("InitSharedInstance")
     val updateHeapRefFunction = importRtFunction("UpdateHeapRef")
+    val updateStackRefFunction = importRtFunction("UpdateStackRef")
+    val updateReturnRefFunction = importRtFunction("UpdateReturnRef")
     val enterFrameFunction = importRtFunction("EnterFrame")
     val leaveFrameFunction = importRtFunction("LeaveFrame")
-    val getReturnSlotIfArenaFunction = importRtFunction("GetReturnSlotIfArena")
-    val getParamSlotIfArenaFunction = importRtFunction("GetParamSlotIfArena")
     val lookupOpenMethodFunction = importRtFunction("LookupOpenMethod")
     val isInstanceFunction = importRtFunction("IsInstance")
     val checkInstanceFunction = importRtFunction("CheckInstance")

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/IntrinsicGenerator.kt

@@ -2,7 +2,7 @@ package org.jetbrains.kotlin.backend.konan.llvm
 
 import kotlinx.cinterop.cValuesOf
 import llvm.*
-import org.jetbrains.kotlin.backend.konan.descriptors.TypedIntrinsic
+import org.jetbrains.kotlin.backend.konan.RuntimeNames
 import org.jetbrains.kotlin.backend.konan.descriptors.isTypedIntrinsic
 import org.jetbrains.kotlin.backend.konan.llvm.objc.genObjCSelector
 import org.jetbrains.kotlin.backend.konan.reportCompilationError
@@ -113,7 +113,7 @@ internal fun tryGetIntrinsicType(callSite: IrFunctionAccessExpression): Intrinsi
 
 private fun getIntrinsicType(callSite: IrFunctionAccessExpression): IntrinsicType {
     val function = callSite.symbol.owner
-    val annotation = function.descriptor.annotations.findAnnotation(TypedIntrinsic)!!
+    val annotation = function.descriptor.annotations.findAnnotation(RuntimeNames.typedIntrinsicAnnotation)!!
     val value = annotation.allValueArguments.getValue(Name.identifier("kind")).value as String
     return IntrinsicType.valueOf(value)
 }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/IrToBitcode.kt

@@ -11,8 +11,10 @@ import org.jetbrains.kotlin.backend.common.descriptors.allParameters
 import org.jetbrains.kotlin.backend.common.ir.ir2string
 import org.jetbrains.kotlin.backend.konan.*
 import org.jetbrains.kotlin.backend.konan.descriptors.*
+import org.jetbrains.kotlin.backend.konan.descriptors.isArray
 import org.jetbrains.kotlin.backend.konan.ir.*
 import org.jetbrains.kotlin.backend.konan.ir.NaiveSourceBasedFileEntryImpl
+import org.jetbrains.kotlin.backend.konan.ir.containsNull
 import org.jetbrains.kotlin.backend.konan.llvm.coverage.*
 import org.jetbrains.kotlin.backend.konan.llvm.objcexport.is64Bit
 import org.jetbrains.kotlin.backend.konan.optimizations.*
@@ -467,7 +469,7 @@ internal class CodeGeneratorVisitor(val context: Context, val lifetimes: Map<IrE
     //-------------------------------------------------------------------------//
 
     private inner class LoopScope(val loop: IrLoop) : InnerScopeImpl() {
-        val loopExit  = functionGenerationContext.basicBlock("loop_exit", loop.condition.startLocation)
+        val loopExit  = functionGenerationContext.basicBlock("loop_exit", loop.endLocation)
         val loopCheck = functionGenerationContext.basicBlock("loop_check", loop.condition.startLocation)
 
         override fun genBreak(destination: IrBreak) {
@@ -806,7 +808,8 @@ internal class CodeGeneratorVisitor(val context: Context, val lifetimes: Map<IrE
             functionGenerationContext.getObjectValue(
                     value.symbol.owner,
                     currentCodeContext.exceptionHandler,
-                    value.startLocation
+                    value.startLocation,
+                    value.endLocation
             )
 
 
@@ -1052,7 +1055,7 @@ internal class CodeGeneratorVisitor(val context: Context, val lifetimes: Map<IrE
         val needsPhi = isUnconditional(expression.branches.last()) && !expression.type.isUnit()
         val llvmType = codegen.getLLVMType(expression.type)
 
-        val bbExit = lazy { functionGenerationContext.basicBlock("when_exit", expression.startLocation) }
+        val bbExit = lazy { functionGenerationContext.basicBlock("when_exit", expression.endLocation) }
 
         val resultPhi = lazy {
             functionGenerationContext.appendingTo(bbExit.value) {
@@ -1070,7 +1073,7 @@ internal class CodeGeneratorVisitor(val context: Context, val lifetimes: Map<IrE
             val bbNext = if (it == expression.branches.last())
                              null
                          else
-                             functionGenerationContext.basicBlock("when_next", it.startLocation)
+                             functionGenerationContext.basicBlock("when_next", it.startLocation, it.endLocation)
             generateWhenCase(whenEmittingContext, it, bbNext)
         }
 
@@ -1089,7 +1092,7 @@ internal class CodeGeneratorVisitor(val context: Context, val lifetimes: Map<IrE
         val brResult = if (isUnconditional(branch))
             evaluateExpression(branch.result)
         else {
-            val bbCase = functionGenerationContext.basicBlock("when_case", branch.startLocation)
+            val bbCase = functionGenerationContext.basicBlock("when_case", branch.startLocation, branch.endLocation)
             val condition = evaluateExpression(branch.condition)
             functionGenerationContext.condBr(condition, bbCase, bbNext ?: whenEmittingContext.bbExit.value)
             functionGenerationContext.positionAtEnd(bbCase)
@@ -1236,6 +1239,7 @@ internal class CodeGeneratorVisitor(val context: Context, val lifetimes: Map<IrE
             IrTypeOperator.INSTANCEOF                -> evaluateInstanceOf(value)
             IrTypeOperator.NOT_INSTANCEOF            -> evaluateNotInstanceOf(value)
             IrTypeOperator.SAM_CONVERSION            -> TODO(ir2string(value))
+            IrTypeOperator.IMPLICIT_DYNAMIC_CAST     -> TODO(ir2string(value))
         }
     }
 
@@ -1484,39 +1488,6 @@ internal class CodeGeneratorVisitor(val context: Context, val lifetimes: Map<IrE
     }
 
     //-------------------------------------------------------------------------//
-
-    /*
-       in C:
-       struct ObjHeader *header = (struct ObjHeader *)ptr;
-       struct T* obj = (T*)&header[1];
-       return &obj->fieldX;
-
-       in llvm ir:
-       %struct.ObjHeader = type { i32, i32 }
-       %struct.Object = type { i32, i32 }
-
-       ; Function Attrs: nounwind ssp uwtable
-       define i32 @fooField2(i8*) #0 {
-         %2 = alloca i8*, align 8
-         %3 = alloca %struct.ObjHeader*, align 8
-         %4 = alloca %struct.Object*, align 8
-         store i8* %0, i8** %2, align 8
-         %5 = load i8*, i8** %2, align 8
-         %6 = bitcast i8* %5 to %struct.ObjHeader*
-         store %struct.ObjHeader* %6, %struct.ObjHeader** %3, align 8
-         %7 = load %struct.ObjHeader*, %struct.ObjHeader** %3, align 8
-
-         %8 = getelementptr inbounds %struct.ObjHeader, %struct.ObjHeader* %7, i64 1; <- (T*)&header[1];
-
-         %9 = bitcast %struct.ObjHeader* %8 to %struct.Object*
-         store %struct.Object* %9, %struct.Object** %4, align 8
-         %10 = load %struct.Object*, %struct.Object** %4, align 8
-         %11 = getelementptr inbounds %struct.Object, %struct.Object* %10, i32 0, i32 0 <-  &obj->fieldX
-         %12 = load i32, i32* %11, align 4
-         ret i32 %12
-       }
-
-    */
     private fun fieldPtrOfClass(thisPtr: LLVMValueRef, value: IrField): LLVMValueRef {
         val fieldInfo = context.llvmDeclarations.forField(value)
 
@@ -1591,9 +1562,17 @@ internal class CodeGeneratorVisitor(val context: Context, val lifetimes: Map<IrE
 
         var bbExit : LLVMBasicBlockRef? = null
         var resultPhi : LLVMValueRef? = null
+        private val functionScope: DIScopeOpaqueRef?
+            get() = returnableBlock.inlineFunctionSymbol?.owner?.scope()
+        private val outerScope = currentCodeContext.scope()
 
         private fun getExit(): LLVMBasicBlockRef {
-            if (bbExit == null) bbExit = functionGenerationContext.basicBlock("returnable_block_exit", returnableBlock.startLocation)
+            val location = returnableBlock.inlineFunctionSymbol?.let {
+                location(it.owner.endLine(), it.owner.endColumn())
+            } ?: returnableBlock.statements.lastOrNull()?.let {
+                location(it.endLine(), it.endColumn())
+            }
+            if (bbExit == null) bbExit = functionGenerationContext.basicBlock("returnable_block_exit", location)
             return bbExit!!
         }
 
@@ -1624,13 +1603,19 @@ internal class CodeGeneratorVisitor(val context: Context, val lifetimes: Map<IrE
 
         override fun location(line: Int, column: Int): LocationInfo? {
             return if (returnableBlock.inlineFunctionSymbol != null) {
-                val diScope = returnableBlock.inlineFunctionSymbol?.owner?.scope() ?: return null
-                LocationInfo(diScope, line, column, outerContext.location(returnableBlock.startLine(), returnableBlock.endLine()))
+                val diScope = functionScope ?: return null
+                val outerFileEntry = outerFileEntry()
+                val inlinedAt = outerContext.location(outerFileEntry.line(returnableBlock.startOffset), outerFileEntry.column(returnableBlock.startOffset))
+                LocationInfo(diScope, line, column, inlinedAt)
             } else {
                 outerContext.location(line, column)
             }
         }
 
+        private fun outerFileEntry() =
+                (outerContext.fileScope() as? FileScope)?.file?.fileEntry
+                        ?: error("returnable block should be inlined at some file")
+
 
         /**
          * Note: DILexicalBlocks aren't nested, they should be scoped with the parent function.
@@ -1769,10 +1754,9 @@ internal class CodeGeneratorVisitor(val context: Context, val lifetimes: Map<IrE
     private fun file() = (currentCodeContext.fileScope() as FileScope).file
 
     //-------------------------------------------------------------------------//
-    private fun updateBuilderDebugLocation(element: IrElement): DILocationRef? {
-        if (!context.shouldContainDebugInfo() || currentCodeContext.functionScope() == null) return null
-        @Suppress("UNCHECKED_CAST")
-        return element.startLocation?.let { functionGenerationContext.debugLocation(it) }
+    private fun updateBuilderDebugLocation(element: IrElement) {
+        if (!context.shouldContainDebugInfo() || currentCodeContext.functionScope() == null || element.startLocation == null) return
+        functionGenerationContext.debugLocation(element.startLocation!!, element.endLocation!!)
     }
 
     private val IrElement.startLocation: LocationInfo?

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/RTTIGenerator.kt

@@ -330,7 +330,7 @@ internal class RTTIGenerator(override val context: Context) : ContextUtils {
                     functionType(kObjHeaderPtr, false, kObjHeaderPtrPtr),
                     ""
             ) {
-                ret(getObjectValue(value, ExceptionHandler.Caller, locationInfo = null))
+                ret(getObjectValue(value, ExceptionHandler.Caller, startLocationInfo = null))
             }
 
             Struct(runtime.associatedObjectTableRecordType, key.typeInfoPtr, constPointer(associatedObjectGetter))

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/objcexport/ObjCExportCodeGenerator.kt

@@ -1148,7 +1148,7 @@ private fun ObjCExportCodeGenerator.createObjectInstanceAdapter(
 
     return generateObjCToKotlinSyntheticGetter(selector) {
         initRuntimeIfNeeded() // For instance methods it gets called when allocating.
-        val value = getObjectValue(irClass, locationInfo = null, exceptionHandler = ExceptionHandler.Caller)
+        val value = getObjectValue(irClass, startLocationInfo = null, exceptionHandler = ExceptionHandler.Caller)
         ret(kotlinToObjC(value, ReferenceBridge))
     }
 }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/DelegationLowering.kt

@@ -74,7 +74,9 @@ internal class PropertyDelegationLowering(val context: Context) : FileLoweringPa
     }
 
     override fun lower(irFile: IrFile) {
-        val kProperties = mutableMapOf<VariableDescriptorWithAccessors, Pair<IrExpression, Int>>()
+        // Somehow there is no reasonable common ancestor for IrProperty and IrLocalDelegatedProperty,
+        // so index by IrDeclaration.
+        val kProperties = mutableMapOf<IrDeclaration, Pair<IrExpression, Int>>()
 
         val arrayClass = context.ir.symbols.array.owner
 
@@ -121,7 +123,7 @@ internal class PropertyDelegationLowering(val context: Context) : FileLoweringPa
                         2 -> error("Callable reference to properties with two receivers is not allowed: ${expression.descriptor}")
 
                         else -> { // Cache KProperties with no arguments.
-                            val field = kProperties.getOrPut(expression.descriptor) {
+                            val field = kProperties.getOrPut(expression.symbol.owner) {
                                 createKProperty(expression, this) to kProperties.size
                             }
 
@@ -141,16 +143,14 @@ internal class PropertyDelegationLowering(val context: Context) : FileLoweringPa
                 val endOffset = expression.endOffset
                 val irBuilder = context.createIrBuilder(currentScope!!.scope.scopeOwnerSymbol, startOffset, endOffset)
                 irBuilder.run {
-                    val propertyDescriptor = expression.descriptor
-
                     val receiversCount = listOf(expression.dispatchReceiver, expression.extensionReceiver).count { it != null }
                     if (receiversCount == 2)
-                        throw AssertionError("Callable reference to properties with two receivers is not allowed: $propertyDescriptor")
+                        throw AssertionError("Callable reference to properties with two receivers is not allowed: ${expression}")
                     else { // Cache KProperties with no arguments.
                         // TODO: what about `receiversCount == 1` case?
-                        val field = kProperties.getOrPut(propertyDescriptor) {
+                        val field = kProperties.getOrPut(expression.symbol.owner) {
                             createLocalKProperty(
-                                    propertyDescriptor,
+                                    expression.symbol.owner.name.asString(),
                                     expression.getter.owner.returnType,
                                     this
                             ) to kProperties.size
@@ -265,7 +265,7 @@ internal class PropertyDelegationLowering(val context: Context) : FileLoweringPa
         }
     }
 
-    private fun createLocalKProperty(propertyDescriptor: VariableDescriptorWithAccessors,
+    private fun createLocalKProperty(propertyName: String,
                                      propertyType: IrType,
                                      irBuilder: IrBuilderWithScope): IrExpression {
         irBuilder.run {
@@ -275,7 +275,7 @@ internal class PropertyDelegationLowering(val context: Context) : FileLoweringPa
                     isLocal = true,
                     isMutable = false)
             val initializer = irCall(symbol.owner, constructorTypeArguments).apply {
-                putValueArgument(0, irString(propertyDescriptor.name.asString()))
+                putValueArgument(0, irString(propertyName))
                 putValueArgument(1, with(kTypeGenerator) { irKType(propertyType) })
             }
             return initializer

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/FunctionInlining.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.backend.konan.Context
 import org.jetbrains.kotlin.backend.konan.descriptors.resolveFakeOverride
 import org.jetbrains.kotlin.backend.konan.ir.*
 import org.jetbrains.kotlin.config.languageVersionSettings
+import org.jetbrains.kotlin.descriptors.ValueDescriptor
 import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.IrStatement
 import org.jetbrains.kotlin.ir.builders.irGet
@@ -25,9 +26,12 @@ import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.ir.expressions.impl.*
 import org.jetbrains.kotlin.ir.symbols.IrFunctionSymbol
+import org.jetbrains.kotlin.ir.symbols.IrValueSymbol
 import org.jetbrains.kotlin.ir.symbols.impl.IrReturnableBlockSymbolImpl
+import org.jetbrains.kotlin.ir.types.IrType
 import org.jetbrains.kotlin.ir.util.*
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
+import org.jetbrains.kotlin.ir.visitors.IrElementVisitor
 import org.jetbrains.kotlin.ir.visitors.transformChildrenVoid
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.util.OperatorNameConventions
@@ -70,7 +74,7 @@ internal class FunctionInlining(val context: Context) : IrElementTransformerVoid
             descriptor.isBuiltInSuspendCoroutineUninterceptedOrReturn(languageVersionSettings) ->
                 context.ir.symbols.konanSuspendCoroutineUninterceptedOrReturn.owner
 
-            descriptor == context.ir.symbols.coroutineContextGetter.owner.descriptor ->
+            symbol == context.ir.symbols.coroutineContextGetter ->
                 context.ir.symbols.konanCoroutineContextGetter.owner
 
             else -> (symbol.owner as? IrSimpleFunction)?.resolveFakeOverride() ?: symbol.owner
@@ -101,7 +105,7 @@ internal class FunctionInlining(val context: Context) : IrElementTransformerVoid
             DeepCopyIrTreeWithSymbolsForInliner(context, typeArguments, parent)
         }
 
-        val substituteMap = mutableMapOf<IrValueParameter, IrExpression>()
+        val substituteMap = mutableMapOf<IrValueParameter, IrElement>()
 
         fun inline() = inlineFunction(callSite, callee)
 
@@ -125,7 +129,10 @@ internal class FunctionInlining(val context: Context) : IrElementTransformerVoid
             val irReturnableBlockSymbol = IrReturnableBlockSymbolImpl(copiedCallee.descriptor.original)
             val startOffset = callee.startOffset
             val endOffset = callee.endOffset
-            val irBuilder = context.createIrBuilder(irReturnableBlockSymbol, startOffset, endOffset)
+            /* creates irBuilder appending to the end of the given returnable block: thus why we initialize
+             * irBuilder with (..., endOffset, endOffset).
+             */
+            val irBuilder = context.createIrBuilder(irReturnableBlockSymbol, endOffset, endOffset)
 
             if (callee.isInlineConstructor) {
                 // Copier sets parent to be the current function but
@@ -197,9 +204,13 @@ internal class FunctionInlining(val context: Context) : IrElementTransformerVoid
             override fun visitGetValue(expression: IrGetValue): IrExpression {
                 val newExpression = super.visitGetValue(expression) as IrGetValue
                 val argument = substituteMap[newExpression.symbol.owner] ?: return newExpression
-
                 argument.transformChildrenVoid(this) // Default argument can contain subjects for substitution.
-                return copyIrElement.copy(argument) as IrExpression
+                return if (argument is IrVariable) {
+                    IrGetValueImpl(startOffset = newExpression.startOffset,
+                            endOffset = newExpression.endOffset,
+                            symbol = argument.symbol)
+
+                } else (copyIrElement.copy(argument) as IrExpression)
             }
 
             //-----------------------------------------------------------------//
@@ -403,13 +414,7 @@ internal class FunctionInlining(val context: Context) : IrElementTransformerVoid
                         isMutable = false)
 
                 evaluationStatements.add(newVariable)
-                val getVal = IrGetValueImpl(
-                        startOffset = currentScope.irElement.startOffset,
-                        endOffset = currentScope.irElement.endOffset,
-                        type = newVariable.type,
-                        symbol = newVariable.symbol
-                )
-                substituteMap[it.parameter] = getVal
+                substituteMap[it.parameter] = newVariable
             }
             return evaluationStatements
         }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InteropLowering.kt

@@ -19,6 +19,7 @@ import org.jetbrains.kotlin.backend.konan.descriptors.isInterface
 import org.jetbrains.kotlin.backend.konan.descriptors.synthesizedName
 import org.jetbrains.kotlin.backend.konan.ir.*
 import org.jetbrains.kotlin.backend.konan.ir.companionObject
+import org.jetbrains.kotlin.backend.konan.ir.containsNull
 import org.jetbrains.kotlin.backend.konan.llvm.IntrinsicType
 import org.jetbrains.kotlin.backend.konan.llvm.llvmSymbolOrigin
 import org.jetbrains.kotlin.backend.konan.llvm.tryGetIntrinsicType

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/ReturnsInsertionLowering.kt

@@ -34,7 +34,7 @@ internal class ReturnsInsertionLowering(val context: Context) : FileLoweringPass
 
                 val body = declaration.body
                 if ((declaration is IrConstructor || declaration.returnType.classifierOrNull == symbols.unit) && body != null) {
-                    val irBuilder = context.createIrBuilder(declaration.symbol, declaration.startOffset, declaration.endOffset)
+                    val irBuilder = context.createIrBuilder(declaration.symbol, declaration.endOffset, declaration.endOffset)
                     irBuilder.run {
                          (body as IrBlockBody).statements += irReturn(irGetObject(symbols.unit))
                     }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/objcexport/ObjCExport.kt

@@ -52,7 +52,7 @@ internal class ObjCExport(val context: Context, symbolTable: SymbolTable) {
         val produceFramework = context.config.produce == CompilerOutputKind.FRAMEWORK
 
         return if (produceFramework) {
-            val mapper = ObjCExportMapper()
+            val mapper = ObjCExportMapper(context.frontendServices.deprecationResolver)
             val moduleDescriptors = listOf(context.moduleDescriptor) + context.getExportedDependencies()
             val objcGenerics = context.configuration.getBoolean(KonanConfigKeys.OBJC_GENERICS)
             val namer = ObjCExportNamerImpl(

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/objcexport/ObjCExportHeaderGenerator.kt

@@ -17,6 +17,8 @@ import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.resolve.constants.ArrayValue
 import org.jetbrains.kotlin.resolve.constants.KClassValue
+import org.jetbrains.kotlin.resolve.deprecation.Deprecation
+import org.jetbrains.kotlin.resolve.deprecation.DeprecationLevelValue
 import org.jetbrains.kotlin.resolve.descriptorUtil.*
 import org.jetbrains.kotlin.resolve.scopes.MemberScope
 import org.jetbrains.kotlin.types.ErrorUtils
@@ -365,8 +367,7 @@ internal class ObjCExportTranslatorImpl(
                     ?.forEach {
                         val selector = getSelector(it)
                         if (selector !in presentConstructors) {
-                            val c = buildMethod(it, it, ObjCNoneExportScope)
-                            +ObjCMethod(c.descriptor, c.isInstanceMethod, c.returnType, c.selectors, c.parameters, c.attributes + "unavailable")
+                            +buildMethod(it, it, ObjCNoneExportScope, unavailable = true)
 
                             if (selector == "init") {
                                 +ObjCMethod(null, false, ObjCInstanceType, listOf("new"), emptyList(), listOf("unavailable"))
@@ -598,13 +599,21 @@ internal class ObjCExportTranslatorImpl(
         val getterSelector = getSelector(baseProperty.getter!!)
         val getterName: String? = if (getterSelector != name) getterSelector else null
 
-        return ObjCProperty(name, property, type, attributes, setterName, getterName, listOf(swiftNameAttribute(name)))
+        val declarationAttributes = mutableListOf(swiftNameAttribute(name))
+        declarationAttributes.addIfNotNull(mapper.getDeprecation(property)?.toDeprecationAttribute())
+
+        return ObjCProperty(name, property, type, attributes, setterName, getterName, declarationAttributes)
     }
 
-    private fun buildMethod(method: FunctionDescriptor, baseMethod: FunctionDescriptor, objCExportScope: ObjCExportScope): ObjCMethod {
+    private fun buildMethod(
+            method: FunctionDescriptor,
+            baseMethod: FunctionDescriptor,
+            objCExportScope: ObjCExportScope,
+            unavailable: Boolean = false
+    ): ObjCMethod {
         fun collectParameters(baseMethodBridge: MethodBridge, method: FunctionDescriptor): List<ObjCParameter> {
             fun unifyName(initialName: String, usedNames: Set<String>): String {
-                var unique = initialName
+                var unique = initialName.toValidObjCSwiftIdentifier()
                 while (unique in usedNames || unique in cKeywords) {
                     unique += "_"
                 }
@@ -639,8 +648,14 @@ internal class ObjCExportTranslatorImpl(
                     MethodBridgeValueParameter.ErrorOutParameter ->
                         ObjCPointerType(ObjCNullableReferenceType(ObjCClassType("NSError")), nullable = true)
 
-                    is MethodBridgeValueParameter.KotlinResultOutParameter ->
-                        ObjCPointerType(mapType(method.returnType!!, bridge.bridge, objCExportScope), nullable = true)
+                    is MethodBridgeValueParameter.KotlinResultOutParameter -> {
+                        val resultType = mapType(method.returnType!!, bridge.bridge, objCExportScope)
+                        // Note: non-nullable reference or pointer type is unusable here
+                        // when passing reference to local variable from Swift because it
+                        // would require a non-null initializer then.
+                        val pointeeType = resultType.makeNullableIfReferenceOrPointer()
+                        ObjCPointerType(pointeeType, nullable = true)
+                    }
                 }
 
                 parameters += ObjCParameter(uniqueName, p, type)
@@ -666,6 +681,12 @@ internal class ObjCExportTranslatorImpl(
             attributes += "objc_designated_initializer"
         }
 
+        if (unavailable) {
+            attributes += "unavailable"
+        } else {
+            attributes.addIfNotNull(mapper.getDeprecation(method)?.toDeprecationAttribute())
+        }
+
         return ObjCMethod(method, isInstanceMethod, returnType, selectorParts, parameters, attributes)
     }
 
@@ -783,8 +804,8 @@ internal class ObjCExportTranslatorImpl(
             return mapObjCObjectReferenceTypeIgnoringNullability(classDescriptor)
         }
 
-        // Workaround for https://github.com/JetBrains/kotlin-native/issues/3053
         if (!mapper.shouldBeExposed(classDescriptor)) {
+            // There are number of tricky corner cases getting here.
             return ObjCIdType
         }
 
@@ -889,7 +910,7 @@ internal class ObjCExportTranslatorImpl(
                 ObjCValueType.UNSIGNED_LONG_LONG -> ObjCPrimitiveType("uint64_t")
                 ObjCValueType.FLOAT -> ObjCPrimitiveType("float")
                 ObjCValueType.DOUBLE -> ObjCPrimitiveType("double")
-                ObjCValueType.POINTER -> ObjCPointerType(ObjCVoidType)
+                ObjCValueType.POINTER -> ObjCPointerType(ObjCVoidType, kotlinType.binaryRepresentationIsNullable())
             }
             // TODO: consider other namings.
         }
@@ -977,6 +998,13 @@ abstract class ObjCExportHeaderGenerator internal constructor(
         }
 
         add("NS_ASSUME_NONNULL_BEGIN")
+        add("#pragma clang diagnostic push")
+        listOf(
+                "-Wunknown-warning-option",
+                "-Wnullability"
+        ).forEach {
+            add("#pragma clang diagnostic ignored \"$it\"")
+        }
         add("")
 
         stubs.forEach {
@@ -984,6 +1012,7 @@ abstract class ObjCExportHeaderGenerator internal constructor(
             add("")
         }
 
+        add("#pragma clang diagnostic pop")
         add("NS_ASSUME_NONNULL_END")
     }
 
@@ -1185,3 +1214,16 @@ internal fun Variance.objcDeclaration():String = when(this){
 private fun computeSuperClassType(descriptor: ClassDescriptor): KotlinType? = descriptor.typeConstructor.supertypes.filter { !it.isInterface() }.firstOrNull()
 
 internal const val OBJC_SUBCLASSING_RESTRICTED = "objc_subclassing_restricted"
+
+private fun Deprecation.toDeprecationAttribute(): String {
+    val attribute = when (deprecationLevel) {
+        DeprecationLevelValue.WARNING -> "deprecated"
+        DeprecationLevelValue.ERROR, DeprecationLevelValue.HIDDEN -> "unavailable"
+    }
+
+    // TODO: consider avoiding code generation for unavailable.
+
+    val message = this.message.orEmpty()
+
+    return "$attribute(\"$message\")"
+}

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/objcexport/ObjCExportLazy.kt

@@ -24,6 +24,7 @@ import org.jetbrains.kotlin.resolve.BindingTrace
 import org.jetbrains.kotlin.resolve.BindingTraceContext
 import org.jetbrains.kotlin.resolve.DescriptorResolver
 import org.jetbrains.kotlin.resolve.TypeResolver
+import org.jetbrains.kotlin.resolve.deprecation.DeprecationResolver
 import org.jetbrains.kotlin.resolve.descriptorUtil.module
 import org.jetbrains.kotlin.resolve.lazy.FileScopeProvider
 import org.jetbrains.kotlin.resolve.lazy.ResolveSession
@@ -47,6 +48,7 @@ interface ObjCExportLazy {
     fun translate(file: KtFile): List<ObjCTopLevel<*>>
 }
 
+@JvmOverloads
 fun createObjCExportLazy(
         configuration: ObjCExportLazy.Configuration,
         warningCollector: ObjCExportWarningCollector,
@@ -54,7 +56,8 @@ fun createObjCExportLazy(
         typeResolver: TypeResolver,
         descriptorResolver: DescriptorResolver,
         fileScopeProvider: FileScopeProvider,
-        builtIns: KotlinBuiltIns
+        builtIns: KotlinBuiltIns,
+        deprecationResolver: DeprecationResolver? = null
 ): ObjCExportLazy = ObjCExportLazyImpl(
         configuration,
         warningCollector,
@@ -62,7 +65,8 @@ fun createObjCExportLazy(
         typeResolver,
         descriptorResolver,
         fileScopeProvider,
-        builtIns
+        builtIns,
+        deprecationResolver
 )
 
 internal class ObjCExportLazyImpl(
@@ -72,14 +76,15 @@ internal class ObjCExportLazyImpl(
         private val typeResolver: TypeResolver,
         private val descriptorResolver: DescriptorResolver,
         private val fileScopeProvider: FileScopeProvider,
-        builtIns: KotlinBuiltIns
+        builtIns: KotlinBuiltIns,
+        deprecationResolver: DeprecationResolver?
 ) : ObjCExportLazy {
 
     private val namerConfiguration = createNamerConfiguration(configuration)
 
     private val nameTranslator: ObjCExportNameTranslator = ObjCExportNameTranslatorImpl(namerConfiguration)
 
-    private val mapper = ObjCExportMapper(local = true)
+    private val mapper = ObjCExportMapper(deprecationResolver, local = true)
 
     private val namer = ObjCExportNamerImpl(namerConfiguration, builtIns, mapper, local = true)
 
@@ -99,7 +104,7 @@ internal class ObjCExportLazyImpl(
     private fun translateClasses(container: KtDeclarationContainer): List<ObjCClass<*>> {
         val result = mutableListOf<ObjCClass<*>>()
         container.declarations.forEach { declaration ->
-            // Supposed to be equivalent to ObjCExportMapper.shouldBeVisible.
+            // Supposed to be true if ObjCExportMapper.shouldBeVisible is true.
             if (declaration is KtClassOrObject && declaration.isPublic && declaration !is KtEnumEntry
                     && !declaration.hasExpectModifier()) {
 

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/objcexport/ObjCExportMapper.kt

@@ -14,13 +14,19 @@ import org.jetbrains.kotlin.backend.konan.descriptors.isInterface
 import org.jetbrains.kotlin.builtins.*
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.name.ClassId
+import org.jetbrains.kotlin.resolve.deprecation.Deprecation
+import org.jetbrains.kotlin.resolve.deprecation.DeprecationLevelValue
+import org.jetbrains.kotlin.resolve.deprecation.DeprecationResolver
 import org.jetbrains.kotlin.resolve.descriptorUtil.*
 import org.jetbrains.kotlin.types.KotlinType
 import org.jetbrains.kotlin.types.TypeUtils
 import org.jetbrains.kotlin.types.typeUtil.isNothing
 import org.jetbrains.kotlin.types.typeUtil.isUnit
 
-internal class ObjCExportMapper(private val local: Boolean = false) {
+internal class ObjCExportMapper(
+        internal val deprecationResolver: DeprecationResolver? = null,
+        private val local: Boolean = false
+) {
     companion object {
         val maxFunctionTypeParameterCount get() = KONAN_FUNCTION_INTERFACES_MAX_PARAMETERS
     }
@@ -69,17 +75,66 @@ internal fun ObjCExportMapper.getClassIfCategory(extensionReceiverType: KotlinTy
 
 // Note: partially duplicated in ObjCExportLazyImpl.translateTopLevels.
 internal fun ObjCExportMapper.shouldBeExposed(descriptor: CallableMemberDescriptor): Boolean =
-        descriptor.isEffectivelyPublicApi && !descriptor.isSuspend && !descriptor.isExpect
+        descriptor.isEffectivelyPublicApi && !descriptor.isSuspend && !descriptor.isExpect &&
+                !isHiddenByDeprecation(descriptor)
 
 internal fun ObjCExportMapper.shouldBeExposed(descriptor: ClassDescriptor): Boolean =
         shouldBeVisible(descriptor) && !isSpecialMapped(descriptor) && !descriptor.defaultType.isObjCObjectType()
 
-// Note: the logic is duplicated in ObjCExportLazyImpl.translateClasses.
+private fun ObjCExportMapper.isHiddenByDeprecation(descriptor: CallableMemberDescriptor): Boolean {
+    // Note: ObjCExport generally expect overrides of exposed methods to be exposed.
+    // So don't hide a "deprecated hidden" method which overrides non-hidden one:
+    if (deprecationResolver != null && deprecationResolver.isDeprecatedHidden(descriptor) &&
+            descriptor.overriddenDescriptors.all { isHiddenByDeprecation(it) }) {
+        return true
+    }
+
+    // Note: ObjCExport expects members of unexposed classes to be unexposed too.
+    // So hide a declaration if it is from a hidden class:
+    val containingDeclaration = descriptor.containingDeclaration
+    if (containingDeclaration is ClassDescriptor && isHiddenByDeprecation(containingDeclaration)) {
+        return true
+    }
+
+    return false
+}
+
+internal fun ObjCExportMapper.getDeprecation(descriptor: DeclarationDescriptor): Deprecation? {
+    deprecationResolver?.getDeprecations(descriptor).orEmpty().maxBy {
+        when (it.deprecationLevel) {
+            DeprecationLevelValue.WARNING -> 1
+            DeprecationLevelValue.ERROR -> 2
+            DeprecationLevelValue.HIDDEN -> 3
+        }
+    }?.let { return it }
+
+    (descriptor as? ConstructorDescriptor)?.let {
+        // Note: a deprecation can't be applied to a class itself when generating header
+        // since the class can be referred from the header.
+        // Apply class deprecations to its constructors instead:
+        return getDeprecation(it.constructedClass)
+    }
+
+    return null
+}
+
+private tailrec fun ObjCExportMapper.isHiddenByDeprecation(descriptor: ClassDescriptor): Boolean {
+    if (deprecationResolver == null) return false
+    if (deprecationResolver.isDeprecatedHidden(descriptor)) return true
+
+    val superClass = descriptor.getSuperClassNotAny() ?: return false
+
+    // Note: ObjCExport requires super class of exposed class to be exposed.
+    // So hide a class if its super class is hidden:
+    return isHiddenByDeprecation(superClass)
+}
+
+// Note: the logic is partially duplicated in ObjCExportLazyImpl.translateClasses.
 internal fun ObjCExportMapper.shouldBeVisible(descriptor: ClassDescriptor): Boolean =
         descriptor.isEffectivelyPublicApi && when (descriptor.kind) {
         ClassKind.CLASS, ClassKind.INTERFACE, ClassKind.ENUM_CLASS, ClassKind.OBJECT -> true
         ClassKind.ENUM_ENTRY, ClassKind.ANNOTATION_CLASS -> false
-    } && !descriptor.isExpect && !descriptor.isInlined()
+    } && !descriptor.isExpect && !descriptor.isInlined() && !isHiddenByDeprecation(descriptor)
 
 private fun ObjCExportMapper.isBase(descriptor: CallableMemberDescriptor): Boolean =
         descriptor.overriddenDescriptors.all { !shouldBeExposed(it) }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/objcexport/ObjCExportNamer.kt

@@ -96,6 +96,7 @@ internal open class ObjCExportNameTranslatorImpl(
     private fun getClassOrProtocolSwiftName(
             ktClassOrObject: KtClassOrObject
     ): String = buildString {
+        val ownName = ktClassOrObject.name!!.toIdentifier()
         val outerClass = ktClassOrObject.getStrictParentOfType<KtClassOrObject>()
         if (outerClass != null) {
             append(getClassOrProtocolSwiftName(outerClass))
@@ -119,12 +120,12 @@ internal open class ObjCExportNameTranslatorImpl(
             }
 
             if (importAsMember) {
-                append(".").append(ktClassOrObject.name!!)
+                append(".").append(ownName)
             } else {
-                append(ktClassOrObject.name!!.capitalize())
+                append(ownName.capitalize())
             }
         } else {
-            append(ktClassOrObject.name)
+            append(ownName)
         }
     }
 }
@@ -133,7 +134,8 @@ private class ObjCExportNamingHelper(
         private val topLevelNamePrefix: String
 ) {
 
-    fun translateFileName(fileName: String): String = PackagePartClassUtils.getFilePartShortName(fileName)
+    fun translateFileName(fileName: String): String =
+            PackagePartClassUtils.getFilePartShortName(fileName).toIdentifier()
 
     fun translateFileName(file: KtFile): String = translateFileName(file.name)
 
@@ -328,10 +330,11 @@ internal class ObjCExportNamerImpl(
 
                     else -> true
                 }
+                val ownName = descriptor.name.asString().toIdentifier()
                 if (importAsMember) {
-                    append(".").append(descriptor.name.asString())
+                    append(".").append(ownName)
                 } else {
-                    append(descriptor.name.asString().capitalize())
+                    append(ownName.capitalize())
                 }
             } else if (containingDeclaration is PackageFragmentDescriptor) {
                 appendTopLevelClassBaseName(descriptor)
@@ -364,7 +367,7 @@ internal class ObjCExportNamerImpl(
                 val containingDeclaration = descriptor.containingDeclaration
                 if (containingDeclaration is ClassDescriptor) {
                     append(getClassOrProtocolObjCName(containingDeclaration))
-                            .append(descriptor.name.asString().capitalize())
+                            .append(descriptor.name.asString().toIdentifier().capitalize())
 
                 } else if (containingDeclaration is PackageFragmentDescriptor) {
                     append(topLevelNamePrefix).appendTopLevelClassBaseName(descriptor)
@@ -379,7 +382,7 @@ internal class ObjCExportNamerImpl(
         configuration.getAdditionalPrefix(descriptor.module)?.let {
             append(it)
         }
-        append(descriptor.name.asString())
+        append(descriptor.name.asString().toIdentifier())
     }
 
     override fun getSelector(method: FunctionDescriptor): String = methodSelectors.getOrPut(method) {
@@ -400,7 +403,7 @@ internal class ObjCExportNamerImpl(
                             1 -> ""
                             else -> "value"
                         }
-                        else -> it!!.name.asString()
+                        else -> it!!.name.asString().toIdentifier()
                     }
                     MethodBridgeValueParameter.ErrorOutParameter -> "error"
                     is MethodBridgeValueParameter.KotlinResultOutParameter -> "result"
@@ -451,7 +454,7 @@ internal class ObjCExportNamerImpl(
                             1 -> "_"
                             else -> "value"
                         }
-                        else -> it!!.name.asString()
+                        else -> it!!.name.asString().toIdentifier()
                     }
                     MethodBridgeValueParameter.ErrorOutParameter -> continue@parameters
                     is MethodBridgeValueParameter.KotlinResultOutParameter -> "result"
@@ -482,7 +485,7 @@ internal class ObjCExportNamerImpl(
         assert(mapper.isObjCProperty(property))
 
         StringBuilder().apply {
-            append(property.name.asString())
+            append(property.name.asString().toIdentifier())
         }.mangledSequence {
             append('_')
         }
@@ -492,7 +495,7 @@ internal class ObjCExportNamerImpl(
         assert(descriptor.kind == ClassKind.OBJECT)
 
         return objectInstanceSelectors.getOrPut(descriptor) {
-            val name = descriptor.name.asString().decapitalize().mangleIfSpecialFamily("get")
+            val name = descriptor.name.asString().decapitalize().toIdentifier().mangleIfSpecialFamily("get")
 
             StringBuilder(name).mangledBySuffixUnderscores()
         }
@@ -506,7 +509,7 @@ internal class ObjCExportNamerImpl(
             val name = descriptor.name.asString().split('_').mapIndexed { index, s ->
                 val lower = s.toLowerCase()
                 if (index == 0) lower else lower.capitalize()
-            }.joinToString("").mangleIfSpecialFamily("the")
+            }.joinToString("").toIdentifier().mangleIfSpecialFamily("the")
 
             StringBuilder(name).mangledBySuffixUnderscores()
         }
@@ -515,7 +518,7 @@ internal class ObjCExportNamerImpl(
     override fun getTypeParameterName(typeParameterDescriptor: TypeParameterDescriptor): String {
         return genericTypeParameterNameMapping.getOrPut(typeParameterDescriptor) {
             StringBuilder().apply {
-                append(typeParameterDescriptor.name.asString())
+                append(typeParameterDescriptor.name.asString().toIdentifier())
             }.mangledSequence {
                 append('_')
             }
@@ -580,7 +583,7 @@ internal class ObjCExportNamerImpl(
             is PropertyGetterDescriptor -> this.correspondingProperty.name.asString()
             is PropertySetterDescriptor -> "set${this.correspondingProperty.name.asString().capitalize()}"
             else -> this.name.asString()
-        }
+        }.toIdentifier()
 
         return candidate.mangleIfSpecialFamily("do")
     }
@@ -802,6 +805,10 @@ private fun ObjCExportMapper.canHaveSameName(first: PropertyDescriptor, second:
         return false
     }
 
+    if (first.name != second.name) {
+        return false
+    }
+
     return bridgePropertyType(first) == bridgePropertyType(second)
 }
 
@@ -821,3 +828,17 @@ internal fun abbreviate(name: String): String {
 
     return normalizedName
 }
+
+// Note: most usages of this method rely on the fact that concatenation of valid identifiers is valid identifier.
+// This may sometimes be a bit conservative (since it requires mangling non-first character as if it was first);
+// ignore this for simplicity as having Kotlin identifiers starting from digits is supposed to be rare case.
+internal fun String.toValidObjCSwiftIdentifier(): String {
+    if (this.isEmpty()) return "__"
+
+    return this.replace('$', '_') // TODO: handle more special characters.
+            .let { if (it.first().isDigit()) "_$it" else it }
+            .let { if (it == "_") "__" else it }
+}
+
+// Private shortcut.
+private fun String.toIdentifier(): String = this.toValidObjCSwiftIdentifier()

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/objcexport/objcTypes.kt

@@ -130,3 +130,11 @@ internal enum class ObjCValueType(val encoding: String) {
     DOUBLE("d"),
     POINTER("^v")
 }
+
+internal fun ObjCType.makeNullableIfReferenceOrPointer(): ObjCType = when (this) {
+    is ObjCPointerType -> ObjCPointerType(this.pointee, nullable = true)
+
+    is ObjCNonNullReferenceType -> ObjCNullableReferenceType(this)
+
+    is ObjCNullableReferenceType, is ObjCRawType, is ObjCPrimitiveType, ObjCVoidType -> this
+}

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/optimizations/Devirtualization.kt

@@ -1413,12 +1413,13 @@ internal object Devirtualization {
                                     val newSymbol = IrReturnableBlockSymbolImpl(expression.descriptor)
                                     val transformedReturnableBlock = with(expression) {
                                         IrReturnableBlockImpl(
-                                                startOffset      = startOffset,
-                                                endOffset        = endOffset,
-                                                type             = coercion.type,
-                                                symbol           = newSymbol,
-                                                origin           = origin,
-                                                statements       = statements)
+                                                startOffset          = startOffset,
+                                                endOffset            = endOffset,
+                                                type                 = coercion.type,
+                                                symbol               = newSymbol,
+                                                origin               = origin,
+                                                statements           = statements,
+                                                inlineFunctionSymbol = inlineFunctionSymbol)
                                     }
                                     transformedReturnableBlock.transformChildrenVoid(object: IrElementTransformerVoid() {
                                         override fun visitExpression(expression: IrExpression): IrExpression {

backend.native/tests/build.gradle

@@ -127,6 +127,12 @@ task installTestLibrary(type: KlibInstall) {
     dependsOn compileKonanTestLibraryHost
     klib = konanArtifacts.testLibrary.getArtifactByTarget('host')
     repo = rootProject.file(testLibraryDir)
+
+    doLast {
+        // Remove the version in build/, so that we don't link two copies.
+        def file = project.file("build/konan/libs/${project.target.name}/testLibrary.klib")
+        file.delete()
+    }
 }
 
 // Gets tests from the same Kotlin compiler build
@@ -370,6 +376,12 @@ task slackReportNightly(type:NightlyReporter) {
     externalWindowsReport = "external_windows_results/reports.json"
 }
 
+linkTest("localDelegatedPropertyLink") {
+    goldValue = "OK\n"
+    source = "lower/local_delegated_property_link/main.kt"
+    lib = "lower/local_delegated_property_link/lib.kt"
+}
+
 task sum(type: KonanLocalTest) {
     source = "codegen/function/sum.kt"
 }

backend.native/tests/framework/values/expectedLazy.h

@@ -297,7 +297,7 @@ __attribute__((swift_name("Bridge")))
 - (ValuesKotlinNothing * _Nullable)foo1AndReturnError:(NSError * _Nullable * _Nullable)error __attribute__((swift_name("foo1()")));
 - (BOOL)foo2AndReturnResult:(int32_t * _Nullable)result error:(NSError * _Nullable * _Nullable)error __attribute__((swift_name("foo2(result:)")));
 - (BOOL)foo3AndReturnError:(NSError * _Nullable * _Nullable)error __attribute__((swift_name("foo3()")));
-- (BOOL)foo4AndReturnResult:(ValuesKotlinNothing ** _Nullable)result error:(NSError * _Nullable * _Nullable)error __attribute__((swift_name("foo4(result:)")));
+- (BOOL)foo4AndReturnResult:(ValuesKotlinNothing * _Nullable * _Nullable)result error:(NSError * _Nullable * _Nullable)error __attribute__((swift_name("foo4(result:)")));
 @end;
 
 __attribute__((objc_subclassing_restricted))
@@ -571,6 +571,294 @@ __attribute__((swift_name("TestSR10177Workaround")))
 @required
 @end;
 
+__attribute__((swift_name("TestClashes1")))
+@protocol ValuesTestClashes1
+@required
+@property (readonly) int32_t clashingProperty __attribute__((swift_name("clashingProperty")));
+@end;
+
+__attribute__((swift_name("TestClashes2")))
+@protocol ValuesTestClashes2
+@required
+@property (readonly) id clashingProperty __attribute__((swift_name("clashingProperty")));
+@property (readonly) id clashingProperty_ __attribute__((swift_name("clashingProperty_")));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestClashesImpl")))
+@interface ValuesTestClashesImpl : KotlinBase <ValuesTestClashes1, ValuesTestClashes2>
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+@property (readonly) int32_t clashingProperty __attribute__((swift_name("clashingProperty")));
+@property (readonly) ValuesInt *clashingProperty_ __attribute__((swift_name("clashingProperty_")));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestInvalidIdentifiers")))
+@interface ValuesTestInvalidIdentifiers : KotlinBase
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+- (int32_t)a_d_d_1:(int32_t)_1 _2:(int32_t)_2 _3:(int32_t)_3 __attribute__((swift_name("a_d_d(_1:_2:_3:)")));
+@property NSString *_status __attribute__((swift_name("_status")));
+@property (readonly) unichar __ __attribute__((swift_name("__")));
+@property (readonly) unichar __ __attribute__((swift_name("__")));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestInvalidIdentifiers._Foo")))
+@interface ValuesTestInvalidIdentifiers_Foo : KotlinBase
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestInvalidIdentifiers.Bar_")))
+@interface ValuesTestInvalidIdentifiersBar_ : KotlinBase
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestInvalidIdentifiers.E")))
+@interface ValuesTestInvalidIdentifiersE : ValuesKotlinEnum
++ (instancetype)alloc __attribute__((unavailable));
++ (instancetype)allocWithZone:(struct _NSZone *)zone __attribute__((unavailable));
+@property (class, readonly) ValuesTestInvalidIdentifiersE *_4_ __attribute__((swift_name("_4_")));
+@property (class, readonly) ValuesTestInvalidIdentifiersE *_5_ __attribute__((swift_name("_5_")));
+@property (class, readonly) ValuesTestInvalidIdentifiersE *__ __attribute__((swift_name("__")));
+@property (class, readonly) ValuesTestInvalidIdentifiersE *__ __attribute__((swift_name("__")));
+- (instancetype)initWithName:(NSString *)name ordinal:(int32_t)ordinal __attribute__((swift_name("init(name:ordinal:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+- (int32_t)compareToOther:(ValuesTestInvalidIdentifiersE *)other __attribute__((swift_name("compareTo(other:)")));
+@property (readonly) int32_t value __attribute__((swift_name("value")));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestInvalidIdentifiers.Companion_")))
+@interface ValuesTestInvalidIdentifiersCompanion_ : KotlinBase
++ (instancetype)alloc __attribute__((unavailable));
++ (instancetype)allocWithZone:(struct _NSZone *)zone __attribute__((unavailable));
++ (instancetype)companion_ __attribute__((swift_name("init()")));
+@property (readonly) int32_t _42 __attribute__((swift_name("_42")));
+@end;
+
+__attribute__((swift_name("TestDeprecation")))
+@interface ValuesTestDeprecation : KotlinBase
+- (instancetype)initWithError:(int16_t)error __attribute__((swift_name("init(error:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable("error")));
+- (instancetype)initWithWarning:(int32_t)warning __attribute__((swift_name("init(warning:)"))) __attribute__((objc_designated_initializer)) __attribute__((deprecated("warning")));
+- (instancetype)initWithNormal:(int64_t)normal __attribute__((swift_name("init(normal:)"))) __attribute__((objc_designated_initializer));
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+- (int32_t)callEffectivelyHiddenObj:(id)obj __attribute__((swift_name("callEffectivelyHidden(obj:)")));
+- (id)getHidden __attribute__((swift_name("getHidden()")));
+- (ValuesTestDeprecationError *)getError __attribute__((swift_name("getError()")));
+- (void)error __attribute__((swift_name("error()"))) __attribute__((unavailable("error")));
+- (void)openError __attribute__((swift_name("openError()"))) __attribute__((unavailable("error")));
+- (ValuesTestDeprecationWarning *)getWarning __attribute__((swift_name("getWarning()")));
+- (void)warning __attribute__((swift_name("warning()"))) __attribute__((deprecated("warning")));
+- (void)openWarning __attribute__((swift_name("openWarning()"))) __attribute__((deprecated("warning")));
+- (void)normal __attribute__((swift_name("normal()")));
+- (int32_t)openNormal __attribute__((swift_name("openNormal()")));
+@property (readonly) id _Nullable errorVal __attribute__((swift_name("errorVal"))) __attribute__((unavailable("error")));
+@property id _Nullable errorVar __attribute__((swift_name("errorVar"))) __attribute__((unavailable("error")));
+@property (readonly) id _Nullable openErrorVal __attribute__((swift_name("openErrorVal"))) __attribute__((unavailable("error")));
+@property id _Nullable openErrorVar __attribute__((swift_name("openErrorVar"))) __attribute__((unavailable("error")));
+@property (readonly) id _Nullable warningVal __attribute__((swift_name("warningVal"))) __attribute__((deprecated("warning")));
+@property id _Nullable warningVar __attribute__((swift_name("warningVar"))) __attribute__((deprecated("warning")));
+@property (readonly) id _Nullable openWarningVal __attribute__((swift_name("openWarningVal"))) __attribute__((deprecated("warning")));
+@property id _Nullable openWarningVar __attribute__((swift_name("openWarningVar"))) __attribute__((deprecated("warning")));
+@property (readonly) id _Nullable normalVal __attribute__((swift_name("normalVal")));
+@property id _Nullable normalVar __attribute__((swift_name("normalVar")));
+@property (readonly) id _Nullable openNormalVal __attribute__((swift_name("openNormalVal")));
+@property id _Nullable openNormalVar __attribute__((swift_name("openNormalVar")));
+@end;
+
+__attribute__((swift_name("TestDeprecation.OpenHidden")))
+@interface ValuesTestDeprecationOpenHidden : NSObject
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestDeprecation.ExtendingHidden")))
+@interface ValuesTestDeprecationExtendingHidden : NSObject
+@end;
+
+__attribute__((swift_name("TestDeprecationHiddenInterface")))
+@protocol ValuesTestDeprecationHiddenInterface
+@required
+@end;
+
+__attribute__((swift_name("TestDeprecation.ImplementingHidden")))
+@interface ValuesTestDeprecationImplementingHidden : KotlinBase
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+- (int32_t)effectivelyHidden __attribute__((swift_name("effectivelyHidden()")));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestDeprecation.Hidden")))
+@interface ValuesTestDeprecationHidden : NSObject
+@end;
+
+__attribute__((swift_name("TestDeprecation.OpenError")))
+@interface ValuesTestDeprecationOpenError : ValuesTestDeprecation
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable("error")));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+- (instancetype)initWithError:(int16_t)error __attribute__((swift_name("init(error:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+- (instancetype)initWithWarning:(int32_t)warning __attribute__((swift_name("init(warning:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+- (instancetype)initWithNormal:(int64_t)normal __attribute__((swift_name("init(normal:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestDeprecation.ExtendingError")))
+@interface ValuesTestDeprecationExtendingError : ValuesTestDeprecationOpenError
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+@end;
+
+__attribute__((swift_name("TestDeprecationErrorInterface")))
+@protocol ValuesTestDeprecationErrorInterface
+@required
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestDeprecation.ImplementingError")))
+@interface ValuesTestDeprecationImplementingError : KotlinBase <ValuesTestDeprecationErrorInterface>
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestDeprecation.Error")))
+@interface ValuesTestDeprecationError : ValuesTestDeprecation
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable("error")));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+- (instancetype)initWithError:(int16_t)error __attribute__((swift_name("init(error:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+- (instancetype)initWithWarning:(int32_t)warning __attribute__((swift_name("init(warning:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+- (instancetype)initWithNormal:(int64_t)normal __attribute__((swift_name("init(normal:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+@end;
+
+__attribute__((swift_name("TestDeprecation.OpenWarning")))
+@interface ValuesTestDeprecationOpenWarning : ValuesTestDeprecation
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer)) __attribute__((deprecated("warning")));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+- (instancetype)initWithError:(int16_t)error __attribute__((swift_name("init(error:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+- (instancetype)initWithWarning:(int32_t)warning __attribute__((swift_name("init(warning:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+- (instancetype)initWithNormal:(int64_t)normal __attribute__((swift_name("init(normal:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestDeprecation.ExtendingWarning")))
+@interface ValuesTestDeprecationExtendingWarning : ValuesTestDeprecationOpenWarning
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+@end;
+
+__attribute__((swift_name("TestDeprecationWarningInterface")))
+@protocol ValuesTestDeprecationWarningInterface
+@required
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestDeprecation.ImplementingWarning")))
+@interface ValuesTestDeprecationImplementingWarning : KotlinBase <ValuesTestDeprecationWarningInterface>
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestDeprecation.Warning")))
+@interface ValuesTestDeprecationWarning : ValuesTestDeprecation
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer)) __attribute__((deprecated("warning")));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+- (instancetype)initWithError:(int16_t)error __attribute__((swift_name("init(error:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+- (instancetype)initWithWarning:(int32_t)warning __attribute__((swift_name("init(warning:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+- (instancetype)initWithNormal:(int64_t)normal __attribute__((swift_name("init(normal:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestDeprecation.HiddenOverride")))
+@interface ValuesTestDeprecationHiddenOverride : ValuesTestDeprecation
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+- (instancetype)initWithError:(int16_t)error __attribute__((swift_name("init(error:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+- (instancetype)initWithWarning:(int32_t)warning __attribute__((swift_name("init(warning:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+- (instancetype)initWithNormal:(int64_t)normal __attribute__((swift_name("init(normal:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable));
+- (void)openError __attribute__((swift_name("openError()"))) __attribute__((unavailable("hidden")));
+- (void)openWarning __attribute__((swift_name("openWarning()"))) __attribute__((unavailable("hidden")));
+- (int32_t)openNormal __attribute__((swift_name("openNormal()"))) __attribute__((unavailable("hidden")));
+@property (readonly) id _Nullable openErrorVal __attribute__((swift_name("openErrorVal"))) __attribute__((unavailable("hidden")));
+@property id _Nullable openErrorVar __attribute__((swift_name("openErrorVar"))) __attribute__((unavailable("hidden")));
+@property (readonly) id _Nullable openWarningVal __attribute__((swift_name("openWarningVal"))) __attribute__((unavailable("hidden")));
+@property id _Nullable openWarningVar __attribute__((swift_name("openWarningVar"))) __attribute__((unavailable("hidden")));
+@property (readonly) id _Nullable openNormalVal __attribute__((swift_name("openNormalVal"))) __attribute__((unavailable("hidden")));
+@property id _Nullable openNormalVar __attribute__((swift_name("openNormalVar"))) __attribute__((unavailable("hidden")));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestDeprecation.ErrorOverride")))
+@interface ValuesTestDeprecationErrorOverride : ValuesTestDeprecation
+- (instancetype)initWithHidden:(int8_t)hidden __attribute__((swift_name("init(hidden:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable("error")));
+- (instancetype)initWithError:(int16_t)error __attribute__((swift_name("init(error:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable("error")));
+- (instancetype)initWithWarning:(int32_t)warning __attribute__((swift_name("init(warning:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable("error")));
+- (instancetype)initWithNormal:(int64_t)normal __attribute__((swift_name("init(normal:)"))) __attribute__((objc_designated_initializer)) __attribute__((unavailable("error")));
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+- (void)openHidden __attribute__((swift_name("openHidden()"))) __attribute__((unavailable("error")));
+- (void)openError __attribute__((swift_name("openError()"))) __attribute__((unavailable("error")));
+- (void)openWarning __attribute__((swift_name("openWarning()"))) __attribute__((unavailable("error")));
+- (int32_t)openNormal __attribute__((swift_name("openNormal()"))) __attribute__((unavailable("error")));
+@property (readonly) id _Nullable openHiddenVal __attribute__((swift_name("openHiddenVal"))) __attribute__((unavailable("error")));
+@property id _Nullable openHiddenVar __attribute__((swift_name("openHiddenVar"))) __attribute__((unavailable("error")));
+@property (readonly) id _Nullable openErrorVal __attribute__((swift_name("openErrorVal"))) __attribute__((unavailable("error")));
+@property id _Nullable openErrorVar __attribute__((swift_name("openErrorVar"))) __attribute__((unavailable("error")));
+@property (readonly) id _Nullable openWarningVal __attribute__((swift_name("openWarningVal"))) __attribute__((unavailable("error")));
+@property id _Nullable openWarningVar __attribute__((swift_name("openWarningVar"))) __attribute__((unavailable("error")));
+@property (readonly) id _Nullable openNormalVal __attribute__((swift_name("openNormalVal"))) __attribute__((unavailable("error")));
+@property id _Nullable openNormalVar __attribute__((swift_name("openNormalVar"))) __attribute__((unavailable("error")));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestDeprecation.WarningOverride")))
+@interface ValuesTestDeprecationWarningOverride : ValuesTestDeprecation
+- (instancetype)initWithHidden:(int8_t)hidden __attribute__((swift_name("init(hidden:)"))) __attribute__((objc_designated_initializer)) __attribute__((deprecated("warning")));
+- (instancetype)initWithError:(int16_t)error __attribute__((swift_name("init(error:)"))) __attribute__((objc_designated_initializer)) __attribute__((deprecated("warning")));
+- (instancetype)initWithWarning:(int32_t)warning __attribute__((swift_name("init(warning:)"))) __attribute__((objc_designated_initializer)) __attribute__((deprecated("warning")));
+- (instancetype)initWithNormal:(int64_t)normal __attribute__((swift_name("init(normal:)"))) __attribute__((objc_designated_initializer)) __attribute__((deprecated("warning")));
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+- (void)openHidden __attribute__((swift_name("openHidden()"))) __attribute__((deprecated("warning")));
+- (void)openError __attribute__((swift_name("openError()"))) __attribute__((deprecated("warning")));
+- (void)openWarning __attribute__((swift_name("openWarning()"))) __attribute__((deprecated("warning")));
+- (int32_t)openNormal __attribute__((swift_name("openNormal()"))) __attribute__((deprecated("warning")));
+@property (readonly) id _Nullable openHiddenVal __attribute__((swift_name("openHiddenVal"))) __attribute__((deprecated("warning")));
+@property id _Nullable openHiddenVar __attribute__((swift_name("openHiddenVar"))) __attribute__((deprecated("warning")));
+@property (readonly) id _Nullable openErrorVal __attribute__((swift_name("openErrorVal"))) __attribute__((deprecated("warning")));
+@property id _Nullable openErrorVar __attribute__((swift_name("openErrorVar"))) __attribute__((deprecated("warning")));
+@property (readonly) id _Nullable openWarningVal __attribute__((swift_name("openWarningVal"))) __attribute__((deprecated("warning")));
+@property id _Nullable openWarningVar __attribute__((swift_name("openWarningVar"))) __attribute__((deprecated("warning")));
+@property (readonly) id _Nullable openNormalVal __attribute__((swift_name("openNormalVal"))) __attribute__((deprecated("warning")));
+@property id _Nullable openNormalVar __attribute__((swift_name("openNormalVar"))) __attribute__((deprecated("warning")));
+@end;
+
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("TestDeprecation.NormalOverride")))
+@interface ValuesTestDeprecationNormalOverride : ValuesTestDeprecation
+- (instancetype)initWithHidden:(int8_t)hidden __attribute__((swift_name("init(hidden:)"))) __attribute__((objc_designated_initializer));
+- (instancetype)initWithError:(int16_t)error __attribute__((swift_name("init(error:)"))) __attribute__((objc_designated_initializer));
+- (instancetype)initWithWarning:(int32_t)warning __attribute__((swift_name("init(warning:)"))) __attribute__((objc_designated_initializer));
+- (instancetype)initWithNormal:(int64_t)normal __attribute__((swift_name("init(normal:)"))) __attribute__((objc_designated_initializer));
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+- (void)openError __attribute__((swift_name("openError()"))) __attribute__((unavailable("Overrides deprecated member in 'conversions.TestDeprecation'. error")));
+- (void)openWarning __attribute__((swift_name("openWarning()"))) __attribute__((deprecated("Overrides deprecated member in 'conversions.TestDeprecation'. warning")));
+- (int32_t)openNormal __attribute__((swift_name("openNormal()")));
+@property (readonly) id _Nullable openErrorVal __attribute__((swift_name("openErrorVal"))) __attribute__((unavailable("Overrides deprecated member in 'conversions.TestDeprecation'. error")));
+@property id _Nullable openErrorVar __attribute__((swift_name("openErrorVar"))) __attribute__((unavailable("Overrides deprecated member in 'conversions.TestDeprecation'. error")));
+@property (readonly) id _Nullable openWarningVal __attribute__((swift_name("openWarningVal"))) __attribute__((deprecated("Overrides deprecated member in 'conversions.TestDeprecation'. warning")));
+@property id _Nullable openWarningVar __attribute__((swift_name("openWarningVar"))) __attribute__((deprecated("Overrides deprecated member in 'conversions.TestDeprecation'. warning")));
+@property (readonly) id _Nullable openNormalVal __attribute__((swift_name("openNormalVal")));
+@property id _Nullable openNormalVar __attribute__((swift_name("openNormalVar")));
+@end;
+
 @interface ValuesEnumeration (ValuesKt)
 - (ValuesEnumeration *)getAnswer __attribute__((swift_name("getAnswer()")));
 @end;
@@ -647,6 +935,8 @@ __attribute__((swift_name("ValuesKt")))
 + (BOOL)isBlockNullBlock:(void (^ _Nullable)(void))block __attribute__((swift_name("isBlockNull(block:)")));
 + (void)takeForwardDeclaredClassObj:(ForwardDeclaredClass *)obj __attribute__((swift_name("takeForwardDeclaredClass(obj:)")));
 + (void)takeForwardDeclaredProtocolObj:(id<ForwardDeclared>)obj __attribute__((swift_name("takeForwardDeclaredProtocol(obj:)")));
++ (void)error __attribute__((swift_name("error()"))) __attribute__((unavailable("error")));
++ (void)warning __attribute__((swift_name("warning()"))) __attribute__((deprecated("warning")));
 @property (class, readonly) double dbl __attribute__((swift_name("dbl")));
 @property (class, readonly) float flt __attribute__((swift_name("flt")));
 @property (class, readonly) int32_t integer __attribute__((swift_name("integer")));
@@ -673,5 +963,9 @@ __attribute__((swift_name("ValuesKt")))
 @property (class) id anyValue __attribute__((swift_name("anyValue")));
 @property (class, readonly) ValuesInt *(^sumLambda)(ValuesInt *, ValuesInt *) __attribute__((swift_name("sumLambda")));
 @property (class, readonly) int32_t PROPERTY_NAME_MUST_NOT_BE_ALTERED_BY_SWIFT __attribute__((swift_name("PROPERTY_NAME_MUST_NOT_BE_ALTERED_BY_SWIFT")));
+@property (class, readonly) id _Nullable errorVal __attribute__((swift_name("errorVal"))) __attribute__((unavailable("error")));
+@property (class) id _Nullable errorVar __attribute__((swift_name("errorVar"))) __attribute__((unavailable("error")));
+@property (class, readonly) id _Nullable warningVal __attribute__((swift_name("warningVal"))) __attribute__((deprecated("warning")));
+@property (class) id _Nullable warningVar __attribute__((swift_name("warningVar"))) __attribute__((deprecated("warning")));
 @end;
 

backend.native/tests/framework/values/values.kt

@@ -450,4 +450,214 @@ abstract class ForwardC1 {
     abstract fun getForwardC2(): ForwardC2
 }
 
-interface TestSR10177Workaround
+interface TestSR10177Workaround
+
+interface TestClashes1 {
+    val clashingProperty: Int
+}
+
+interface TestClashes2 {
+    val clashingProperty: Any
+    val clashingProperty_: Any
+}
+
+class TestClashesImpl : TestClashes1, TestClashes2 {
+    override val clashingProperty: Int
+        get() = 1
+
+    override val clashingProperty_: Int
+        get() = 2
+}
+
+class TestInvalidIdentifiers {
+    class `$Foo`
+    class `Bar$`
+
+    fun `a$d$d`(`$1`: Int, `2`: Int, `3`: Int): Int = `$1` + `2` + `3`
+
+    var `$status`: String = ""
+
+    enum class E(val value: Int) {
+        `4$`(4),
+        `5$`(5),
+        `_`(6),
+        `__`(7)
+    }
+
+    companion object `Companion$` {
+        val `42` = 42
+    }
+
+    val `$` = '$'
+    val `_` = '_'
+}
+
+@Suppress("UNUSED_PARAMETER")
+open class TestDeprecation() {
+    @Deprecated("hidden", level = DeprecationLevel.HIDDEN) open class OpenHidden : TestDeprecation()
+    @Suppress("DEPRECATION_ERROR") class ExtendingHidden : OpenHidden()
+
+    @Deprecated("hidden", level = DeprecationLevel.HIDDEN) interface HiddenInterface {
+        fun effectivelyHidden(): Any
+    }
+
+    @Suppress("DEPRECATION_ERROR") open class ImplementingHidden : Any(), HiddenInterface {
+        override fun effectivelyHidden(): Int = -1
+    }
+
+    @Suppress("DEPRECATION_ERROR")
+    fun callEffectivelyHidden(obj: Any): Int = (obj as HiddenInterface).effectivelyHidden() as Int
+
+    @Deprecated("hidden", level = DeprecationLevel.HIDDEN) class Hidden : TestDeprecation()
+    @Suppress("DEPRECATION_ERROR") fun getHidden() = Hidden()
+
+    @Deprecated("hidden", level = DeprecationLevel.HIDDEN) constructor(hidden: Byte) : this()
+    @Deprecated("hidden", level = DeprecationLevel.HIDDEN) fun hidden() {}
+    @Deprecated("hidden", level = DeprecationLevel.HIDDEN) val hiddenVal: Any? = null
+    @Deprecated("hidden", level = DeprecationLevel.HIDDEN) var hiddenVar: Any? = null
+    @Deprecated("hidden", level = DeprecationLevel.HIDDEN) open fun openHidden() {}
+    @Deprecated("hidden", level = DeprecationLevel.HIDDEN) open val openHiddenVal: Any? = null
+    @Deprecated("hidden", level = DeprecationLevel.HIDDEN) open var openHiddenVar: Any? = null
+
+    @Deprecated("error", level = DeprecationLevel.ERROR) open class OpenError : TestDeprecation()
+    @Suppress("DEPRECATION_ERROR") class ExtendingError : OpenError()
+
+    @Deprecated("error", level = DeprecationLevel.ERROR) interface ErrorInterface
+    @Suppress("DEPRECATION_ERROR") class ImplementingError : ErrorInterface
+
+    @Deprecated("error", level = DeprecationLevel.ERROR) class Error : TestDeprecation()
+    @Suppress("DEPRECATION_ERROR") fun getError() = Error()
+
+    @Deprecated("error", level = DeprecationLevel.ERROR) constructor(error: Short) : this()
+    @Deprecated("error", level = DeprecationLevel.ERROR) fun error() {}
+    @Deprecated("error", level = DeprecationLevel.ERROR) val errorVal: Any? = null
+    @Deprecated("error", level = DeprecationLevel.ERROR) var errorVar: Any? = null
+    @Deprecated("error", level = DeprecationLevel.ERROR) open fun openError() {}
+    @Deprecated("error", level = DeprecationLevel.ERROR) open val openErrorVal: Any? = null
+    @Deprecated("error", level = DeprecationLevel.ERROR) open var openErrorVar: Any? = null
+
+    @Deprecated("warning", level = DeprecationLevel.WARNING) open class OpenWarning : TestDeprecation()
+    @Suppress("DEPRECATION") class ExtendingWarning : OpenWarning()
+
+    @Deprecated("warning", level = DeprecationLevel.WARNING) interface WarningInterface
+    @Suppress("DEPRECATION") class ImplementingWarning : WarningInterface
+
+    @Deprecated("warning", level = DeprecationLevel.WARNING) class Warning : TestDeprecation()
+    @Suppress("DEPRECATION") fun getWarning() = Warning()
+
+    @Deprecated("warning", level = DeprecationLevel.WARNING) constructor(warning: Int) : this()
+    @Deprecated("warning", level = DeprecationLevel.WARNING) fun warning() {}
+    @Deprecated("warning", level = DeprecationLevel.WARNING) val warningVal: Any? = null
+    @Deprecated("warning", level = DeprecationLevel.WARNING) var warningVar: Any? = null
+    @Deprecated("warning", level = DeprecationLevel.WARNING) open fun openWarning() {}
+    @Deprecated("warning", level = DeprecationLevel.WARNING) open val openWarningVal: Any? = null
+    @Deprecated("warning", level = DeprecationLevel.WARNING) open var openWarningVar: Any? = null
+
+    constructor(normal: Long) : this()
+    fun normal() {}
+    val normalVal: Any? = null
+    var normalVar: Any? = null
+    open fun openNormal(): Int = 1
+    open val openNormalVal: Any? = null
+    open var openNormalVar: Any? = null
+
+    class HiddenOverride() : TestDeprecation() {
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) constructor(hidden: Byte) : this()
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) override fun openHidden() {}
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) override val openHiddenVal: Any? = null
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) override var openHiddenVar: Any? = null
+
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) constructor(error: Short) : this()
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) override fun openError() {}
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) override val openErrorVal: Any? = null
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) override var openErrorVar: Any? = null
+
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) constructor(warning: Int) : this()
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) override fun openWarning() {}
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) override val openWarningVal: Any? = null
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) override var openWarningVar: Any? = null
+
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) constructor(normal: Long) : this()
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) override fun openNormal(): Int = 2
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) override val openNormalVal: Any? = null
+        @Deprecated("hidden", level = DeprecationLevel.HIDDEN) override var openNormalVar: Any? = null
+    }
+
+    class ErrorOverride() : TestDeprecation() {
+        @Deprecated("error", level = DeprecationLevel.ERROR) constructor(hidden: Byte) : this()
+        @Deprecated("error", level = DeprecationLevel.ERROR) override fun openHidden() {}
+        @Deprecated("error", level = DeprecationLevel.ERROR) override val openHiddenVal: Any? = null
+        @Deprecated("error", level = DeprecationLevel.ERROR) override var openHiddenVar: Any? = null
+
+        @Deprecated("error", level = DeprecationLevel.ERROR) constructor(error: Short) : this()
+        @Deprecated("error", level = DeprecationLevel.ERROR) override fun openError() {}
+        @Deprecated("error", level = DeprecationLevel.ERROR) override val openErrorVal: Any? = null
+        @Deprecated("error", level = DeprecationLevel.ERROR) override var openErrorVar: Any? = null
+
+        @Deprecated("error", level = DeprecationLevel.ERROR) constructor(warning: Int) : this()
+        @Deprecated("error", level = DeprecationLevel.ERROR) override fun openWarning() {}
+        @Deprecated("error", level = DeprecationLevel.ERROR) override val openWarningVal: Any? = null
+        @Deprecated("error", level = DeprecationLevel.ERROR) override var openWarningVar: Any? = null
+
+        @Deprecated("error", level = DeprecationLevel.ERROR) constructor(normal: Long) : this()
+        @Deprecated("error", level = DeprecationLevel.ERROR) override fun openNormal(): Int = 3
+        @Deprecated("error", level = DeprecationLevel.ERROR) override val openNormalVal: Any? = null
+        @Deprecated("error", level = DeprecationLevel.ERROR) override var openNormalVar: Any? = null
+    }
+
+    class WarningOverride() : TestDeprecation() {
+        @Deprecated("warning", level = DeprecationLevel.WARNING) constructor(hidden: Byte) : this()
+        @Deprecated("warning", level = DeprecationLevel.WARNING) override fun openHidden() {}
+        @Deprecated("warning", level = DeprecationLevel.WARNING) override val openHiddenVal: Any? = null
+        @Deprecated("warning", level = DeprecationLevel.WARNING) override var openHiddenVar: Any? = null
+
+        @Deprecated("warning", level = DeprecationLevel.WARNING) constructor(error: Short) : this()
+        @Deprecated("warning", level = DeprecationLevel.WARNING) override fun openError() {}
+        @Deprecated("warning", level = DeprecationLevel.WARNING) override val openErrorVal: Any? = null
+        @Deprecated("warning", level = DeprecationLevel.WARNING) override var openErrorVar: Any? = null
+
+        @Deprecated("warning", level = DeprecationLevel.WARNING) constructor(warning: Int) : this()
+        @Deprecated("warning", level = DeprecationLevel.WARNING) override fun openWarning() {}
+        @Deprecated("warning", level = DeprecationLevel.WARNING) override val openWarningVal: Any? = null
+        @Deprecated("warning", level = DeprecationLevel.WARNING) override var openWarningVar: Any? = null
+
+        @Deprecated("warning", level = DeprecationLevel.WARNING) constructor(normal: Long) : this()
+        @Deprecated("warning", level = DeprecationLevel.WARNING) override fun openNormal(): Int = 4
+        @Deprecated("warning", level = DeprecationLevel.WARNING) override val openNormalVal: Any? = null
+        @Deprecated("warning", level = DeprecationLevel.WARNING) override var openNormalVar: Any? = null
+    }
+
+    class NormalOverride() : TestDeprecation() {
+        constructor(hidden: Byte) : this()
+        override fun openHidden() {}
+        override val openHiddenVal: Any? = null
+        override var openHiddenVar: Any? = null
+
+        constructor(error: Short) : this()
+        override fun openError() {}
+        override val openErrorVal: Any? = null
+        override var openErrorVar: Any? = null
+
+        constructor(warning: Int) : this()
+        override fun openWarning() {}
+        override val openWarningVal: Any? = null
+        override var openWarningVar: Any? = null
+
+        constructor(normal: Long) : this()
+        override fun openNormal(): Int = 5
+        override val openNormalVal: Any? = null
+        override var openNormalVar: Any? = null
+    }
+}
+
+@Deprecated("hidden", level = DeprecationLevel.HIDDEN) fun hidden() {}
+@Deprecated("hidden", level = DeprecationLevel.HIDDEN) val hiddenVal: Any? = null
+@Deprecated("hidden", level = DeprecationLevel.HIDDEN) var hiddenVar: Any? = null
+
+@Deprecated("error", level = DeprecationLevel.ERROR) fun error() {}
+@Deprecated("error", level = DeprecationLevel.ERROR) val errorVal: Any? = null
+@Deprecated("error", level = DeprecationLevel.ERROR) var errorVar: Any? = null
+
+@Deprecated("warning", level = DeprecationLevel.WARNING) fun warning() {}
+@Deprecated("warning", level = DeprecationLevel.WARNING) val warningVal: Any? = null
+@Deprecated("warning", level = DeprecationLevel.WARNING) var warningVar: Any? = null

backend.native/tests/framework/values/values.swift

@@ -613,6 +613,59 @@ func testSR10177Workaround() throws {
     try assertTrue(String(describing: test).contains("TestSR10177WorkaroundDerived"))
 }
 
+func testClashes() throws {
+    let test = TestClashesImpl()
+    let test1: TestClashes1 = test
+    let test2: TestClashes2 = test
+
+    try assertEquals(actual: 1, expected: test1.clashingProperty)
+    try assertEquals(actual: 1, expected: test2.clashingProperty_ as! Int32)
+    try assertEquals(actual: 2, expected: test2.clashingProperty__ as! Int32)
+}
+
+func testInvalidIdentifiers() throws {
+    let test = TestInvalidIdentifiers()
+
+    try assertTrue(TestInvalidIdentifiers._Foo() is TestInvalidIdentifiers._Foo)
+    try assertFalse(TestInvalidIdentifiers.Bar_() is TestInvalidIdentifiers._Foo)
+
+    try assertEquals(actual: 42, expected: test.a_d_d(_1: 13, _2: 14, _3: 15))
+
+    test._status = "OK"
+    try assertEquals(actual: "OK", expected: test._status)
+
+    try assertEquals(actual: TestInvalidIdentifiers.E._4_.value, expected: 4)
+    try assertEquals(actual: TestInvalidIdentifiers.E._5_.value, expected: 5)
+    try assertEquals(actual: TestInvalidIdentifiers.E.__.value, expected: 6)
+    try assertEquals(actual: TestInvalidIdentifiers.E.___.value, expected: 7)
+
+    try assertEquals(actual: TestInvalidIdentifiers.Companion_()._42, expected: 42)
+
+    try assertEquals(actual: Set([test.__, test.___]), expected: Set(["$".utf16.first, "_".utf16.first]))
+}
+
+class ImplementingHiddenSubclass : TestDeprecation.ImplementingHidden {
+    override func effectivelyHidden() -> Int32 {
+        return -2
+    }
+}
+
+func testDeprecation() throws {
+    let test = TestDeprecation()
+    try assertEquals(actual: test.openNormal(), expected: 1)
+
+    let testHiddenOverride: TestDeprecation = TestDeprecation.HiddenOverride()
+    try assertEquals(actual: testHiddenOverride.openNormal(), expected: 2)
+
+    let testErrorOverride: TestDeprecation = TestDeprecation.ErrorOverride()
+    try assertEquals(actual: testErrorOverride.openNormal(), expected: 3)
+
+    let testWarningOverride: TestDeprecation = TestDeprecation.WarningOverride()
+    try assertEquals(actual: testWarningOverride.openNormal(), expected: 4)
+
+    try assertEquals(actual: test.callEffectivelyHidden(obj: ImplementingHiddenSubclass()), expected: -2)
+}
+
 // See https://github.com/JetBrains/kotlin-native/issues/2931
 func testGH2931() throws {
     for i in 0..<50000 {
@@ -678,6 +731,9 @@ class ValuesTests : TestProvider {
             TestCase(name: "TestGH2959", method: withAutorelease(testGH2959)),
             TestCase(name: "TestKClass", method: withAutorelease(testKClass)),
             TestCase(name: "TestSR10177Workaround", method: withAutorelease(testSR10177Workaround)),
+            TestCase(name: "TestClashes", method: withAutorelease(testClashes)),
+            TestCase(name: "TestInvalidIdentifiers", method: withAutorelease(testInvalidIdentifiers)),
+            TestCase(name: "TestDeprecation", method: withAutorelease(testDeprecation)),
             TestCase(name: "TestGH2931", method: withAutorelease(testGH2931)),
         ]
     }

backend.native/tests/lower/local_delegated_property_link/lib.kt

@@ -0,0 +1,8 @@
+fun foo(): String{
+    val bar: String by lazy {
+        "OK"
+    }
+
+    return bar
+}
+

backend.native/tests/lower/local_delegated_property_link/main.kt

@@ -0,0 +1,3 @@
+fun main() {
+    println(foo())
+}

build-tools/build.gradle.kts

@@ -0,0 +1,82 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+import org.jetbrains.kotlin.gradle.plugin.KotlinSourceSet
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+import java.util.Properties
+
+plugins {
+    // We explicitly configure versions of plugins in settings.gradle.kts.
+    // due to https://github.com/gradle/gradle/issues/1697.
+    id("kotlin")
+    id("kotlinx-serialization")
+    groovy
+    `java-gradle-plugin`
+}
+
+val rootProperties = Properties().apply {
+    rootDir.resolve("../gradle.properties").reader().use(::load)
+}
+
+val kotlinVersion: String by rootProperties
+val kotlinCompilerRepo: String by rootProperties
+val buildKotlinVersion: String by rootProperties
+val buildKotlinCompilerRepo: String by rootProperties
+val konanVersion: String by rootProperties
+
+group = "org.jetbrains.kotlin"
+version = konanVersion
+
+repositories {
+    maven(kotlinCompilerRepo)
+    maven(buildKotlinCompilerRepo)
+    maven("https://cache-redirector.jetbrains.com/maven-central")
+    maven("https://kotlin.bintray.com/kotlinx")
+}
+
+dependencies {
+    compileOnly(gradleApi())
+
+    implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion")
+    implementation("org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion")
+    implementation("org.jetbrains.kotlin:kotlin-reflect:$kotlinVersion")
+    implementation("com.ullink.slack:simpleslackapi:1.2.0")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-runtime:0.10.0")
+
+    implementation("io.ktor:ktor-client-auth:1.2.1")
+    implementation("io.ktor:ktor-client-core:1.2.1")
+    implementation("io.ktor:ktor-client-cio:1.2.1")
+
+    api("org.jetbrains.kotlin:kotlin-native-utils:$kotlinVersion")
+
+    // Located in <repo root>/shared and always provided by the composite build.
+    api("org.jetbrains.kotlin:kotlin-native-shared:$konanVersion")
+}
+
+sourceSets["main"].withConvention(KotlinSourceSet::class) {
+    kotlin.srcDir("$projectDir/../tools/benchmarks/shared/src")
+}
+
+gradlePlugin {
+    plugins {
+        create("benchmarkPlugin") {
+            id = "benchmarking"
+            implementationClass = "org.jetbrains.kotlin.benchmark.BenchmarkingPlugin"
+        }
+        create("compileBenchmarking") {
+            id = "compile-benchmarking"
+            implementationClass = "org.jetbrains.kotlin.benchmark.CompileBenchmarkingPlugin"
+        }
+    }
+}
+
+val compileKotlin: KotlinCompile by tasks
+val compileGroovy: GroovyCompile by tasks
+
+// Add Kotlin classes to a classpath for the Groovy compiler
+compileGroovy.apply {
+    classpath += project.files(compileKotlin.destinationDir)
+    dependsOn(compileKotlin)
+}

build-tools/settings.gradle.kts

@@ -0,0 +1,28 @@
+pluginManagement {
+    val rootProperties = java.util.Properties().apply {
+        rootDir.resolve("../gradle.properties").reader().use(::load)
+    }
+
+    val kotlinCompilerRepo: String by rootProperties
+    val kotlinVersion by rootProperties
+
+    repositories {
+        maven(kotlinCompilerRepo)
+        maven("https://cache-redirector.jetbrains.com/maven-central")
+    }
+
+    resolutionStrategy {
+        eachPlugin {
+            if (requested.id.id == "kotlin") {
+                useModule("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion")
+            }
+            if (requested.id.id == "kotlinx-serialization") {
+                useModule("org.jetbrains.kotlin:kotlin-serialization:$kotlinVersion")
+            }
+        }
+    }
+}
+
+rootProject.name = "kotlin-native-build-tools"
+
+includeBuild("../shared")

build-tools/src/main/groovy/org/jetbrains/kotlin/KonanTest.groovy

@@ -443,9 +443,14 @@ class RunExternalTestGroup extends OldKonanTest {
                     }
                     if (line.contains("$pkg.") && ! (line =~ packagePattern || line =~ importRegex)
                             && ! vars.contains(pkg)) {
-                        def idx = line.indexOf("$pkg")
-                        if (! (idx > 0 && Character.isJavaIdentifierPart(line.charAt(idx - 1))) ) {
-                            line = line.substring(0, idx) + "$sourceName.$pkg" + line.substring(idx + pkg.length())
+                        def idx = 0
+                        while ((idx = line.indexOf(pkg, idx)) >= 0) {
+                            if (!Character.isJavaIdentifierPart(line.charAt(idx - 1))) {
+                                line = line.substring(0, idx) + "$sourceName.$pkg" + line.substring(idx + pkg.length())
+                                idx += sourceName.length() + pkg.length() + 1
+                            } else {
+                                idx += pkg.length()
+                            }
                         }
                     }
                 }

build-tools/src/main/kotlin/org/jetbrains/kotlin/FrameworkTest.kt

@@ -74,7 +74,12 @@ open class FrameworkTest : DefaultTask() {
         // Compile swift sources
         val sources = swiftSources.map { Paths.get(it).toString() } +
                 listOf(provider.toString(), swiftMain)
-        val options = listOf("-g", "-Xlinker", "-rpath", "-Xlinker", frameworkParentDirPath, "-F", frameworkParentDirPath)
+        val options = listOf(
+                "-g",
+                "-Xlinker", "-rpath", "-Xlinker", frameworkParentDirPath,
+                "-F", frameworkParentDirPath,
+                "-Xcc", "-Werror" // To fail compilation on warnings in framework header.
+        )
         val testExecutable = Paths.get(testOutput, frameworkName, "swiftTestExecutable")
         compileSwift(project, project.testTarget, sources, options, testExecutable, fullBitcode)
 

build-tools/src/main/kotlin/org/jetbrains/kotlin/KonanTestSuiteReport.kt

@@ -155,7 +155,7 @@ private class TeamCityTestPrinter(val project:Project) {
      * Teamcity require escaping some symbols in pipe manner.
      * https://github.com/GitTools/GitVersion/issues/94
      */
-    private fun String?.toTeamCityFormat(): String = this?.also {
+    private fun String?.toTeamCityFormat(): String = this?.let {
         it.replace("\\|", "||")
                 .replace("\r", "|r")
                 .replace("\n", "|n")

build.gradle

@@ -25,10 +25,14 @@ buildscript {
 
     repositories {
         maven { url kotlinCompilerRepo }
+        maven { url "https://kotlin.bintray.com/kotlinx" }
+        maven { url "https://cache-redirector.jetbrains.com/maven-central" }
     }
 
     dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-native-utils:$kotlinVersion"
         classpath "org.jetbrains.kotlin:kotlin-native-shared:$konanVersion"
+        classpath "org.jetbrains.kotlin:kotlin-native-build-tools:$konanVersion"
     }
 }
 import org.jetbrains.kotlin.konan.*

buildSrc/build.gradle.kts

@@ -1,44 +0,0 @@
-/*
- * Copyright 2010-2017 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.
- */
-
-buildscript {
-    val rootBuildDirectory = "$rootDir/.."
-    extra["rootBuildDirectory"] = rootBuildDirectory
-    apply(from = "$rootBuildDirectory/gradle/loadRootProperties.gradle")
-    apply(from = "$rootBuildDirectory/gradle/kotlinGradlePlugin.gradle")
-}
-
-val buildKotlinCompilerRepo: String by project
-val kotlinCompilerRepo: String by project
-
-val repos = listOf(
-    buildKotlinCompilerRepo,
-    kotlinCompilerRepo,
-    "https://cache-redirector.jetbrains.com/maven-central",
-    "https://kotlin.bintray.com/kotlinx"
-)
-
-allprojects {
-    repositories {
-        repos.forEach { repoUrl ->
-            maven { setUrl(repoUrl) }
-        }
-    }
-}
-
-dependencies {
-    runtime(project(":plugins"))
-}

buildSrc/plugins/build.gradle

@@ -1,74 +0,0 @@
-/*
- * Copyright 2010-2017 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.
- */
-
-apply plugin: 'groovy'
-apply plugin: 'kotlin'
-
-buildscript {
-    ext.rootBuildDirectory = "$rootDir/.."
-    apply from: "$rootBuildDirectory/gradle/loadRootProperties.gradle"
-    apply from: "$rootBuildDirectory/gradle/kotlinGradlePlugin.gradle"
-    dependencies{
-        classpath "org.jetbrains.kotlin:kotlin-serialization:$buildKotlinVersion"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
-    }
-    
-}
-
-apply plugin: 'kotlin'
-apply plugin: 'kotlinx-serialization'
-apply plugin: 'java-gradle-plugin'
-
-/* don't use repositories: gradle will ignore it anyway, but may confuse gradle build engineer, see outer build.gradle */
-
-dependencies {
-    compile gradleApi()
-    compile localGroovy()
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$buildKotlinVersion"
-    compile "org.jetbrains.kotlin:kotlin-reflect:$buildKotlinVersion"
-    compile group: 'com.ullink.slack', name: 'simpleslackapi', version: '1.2.0'
-    // An artifact from the included build 'shared' cannot be used here due to https://github.com/gradle/gradle/issues/3768
-    implementation "org.jetbrains.kotlin:kotlin-gradle-plugin"
-    compile project(':shared')
-    compile "org.jetbrains.kotlinx:kotlinx-serialization-runtime:0.10.0"
-    implementation 'io.ktor:ktor-client-auth:1.2.1'
-    implementation 'io.ktor:ktor-client-core:1.2.1'
-    implementation 'io.ktor:ktor-client-cio:1.2.1'
-}
-
-sourceSets.main.kotlin.srcDirs = ["src", "$projectDir/../../tools/benchmarks/shared/src"]
-
-rootProject.dependencies {
-    runtime project(path)
-}
-
-compileGroovy {
-    // Add Kotlin classes to a classpath for the Groovy compiler
-    classpath += project.files(compileKotlin.destinationDir)
-}
-
-gradlePlugin {
-    plugins {
-        benchmarkPlugin {
-            id = "benchmarking"
-            implementationClass = "org.jetbrains.kotlin.benchmark.BenchmarkingPlugin"
-        }
-        compileBenchmarking {
-            id = "compile-benchmarking"
-            implementationClass = "org.jetbrains.kotlin.benchmark.CompileBenchmarkingPlugin"
-        }
-    }
-}

buildSrc/settings.gradle.kts

@@ -1,18 +0,0 @@
-/*
- * Copyright 2010-2017 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.
- */
-
-include(":plugins")
-include(":shared")

buildSrc/shared/build.gradle

@@ -1,44 +0,0 @@
-/*
- * Copyright 2010-2017 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.
- */
-
-buildscript {
-    ext {
-        gradleProperties = new Properties()
-        gradleProperties.load(new FileInputStream("$projectDir/../../gradle.properties"))
-        buildKotlinVersion = gradleProperties."buildKotlinVersion"
-        buildKotlinCompilerRepo = gradleProperties."buildKotlinCompilerRepo"
-    }
-
-    apply from: '../../gradle/kotlinGradlePlugin.gradle'
-}
-
-apply plugin: 'kotlin'
-
-// We reuse the source code from the Project in buildSrc.
-sourceSets.main.kotlin.srcDirs = ["$projectDir/../../shared/src/main/kotlin"]
-
-dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$buildKotlinVersion"
-    compile "org.jetbrains.kotlin:kotlin-native-utils:$kotlinVersion"
-}
-
-rootProject.dependencies {
-    runtime project(path)
-}
-
-compileKotlin {
-    kotlinOptions.jvmTarget = "1.8"
-}

gradle.properties

@@ -1,5 +1,5 @@
 #
-# Copyright 2010-2017 JetBrains s.r.o.
+# Copyright 2010-2019 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.
@@ -18,16 +18,11 @@
 buildKotlinVersion=1.3.50-dev-787
 buildKotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_Compiler),number:1.3.50-dev-787,branch:default:any,pinned:true/artifacts/content/maven
 remoteRoot=konan_tests
-kotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_Compiler),number:1.3.50-dev-1455,branch:default:any,pinned:true/artifacts/content/maven
-kotlinVersion=1.3.50-dev-1455
-kotlinStdlibRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_Compiler),number:1.3.50-dev-1455,branch:default:any,pinned:true/artifacts/content/maven
-kotlinStdlibVersion=1.3.50-dev-1455
+kotlinCompilerRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_Compiler),number:1.3.50-dev-1741,branch:default:any,pinned:true/artifacts/content/maven
+kotlinVersion=1.3.50-dev-1741
+kotlinStdlibRepo=https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:Kotlin_dev_Compiler),number:1.3.50-dev-1741,branch:default:any,pinned:true/artifacts/content/maven
+kotlinStdlibVersion=1.3.50-dev-1741
 testKotlinCompilerVersion=1.3.50-dev-1455
 konanVersion=1.3.50
 org.gradle.jvmargs='-Dfile.encoding=UTF-8'
 org.gradle.workers.max=4
-#kotlinProjectPath=/Users/jetbrains/IdeaProjects/kotlin
-#sharedProjectPath=/Users/jetbrains/IdeaProjects/kotlin-native-shared
-#kotlinProjectPath=/Users/jetbrains/kotlin-native/kotlin
-#sharedProjectPath=/Users/jetbrains/kotlin-native/kotlin-native-shared/kotlin-native-shared
-

gradle/kotlinGradlePlugin.gradle

@@ -1,13 +1,12 @@
-if (!hasProperty('buildKotlinVersion')) {
-    throw new GradleException('Please ensure the "buildKotlinVersion" property is defined before applying this script.')
-}
+def properties = ['buildKotlinVersion', 'buildKotlinCompilerRepo', 'kotlinVersion', 'kotlinCompilerRepo']
 
-if (!hasProperty('buildKotlinCompilerRepo')) {
-    throw new GradleException('Please ensure the "buildKotlinCompilerRepo" property is defined before applying this script.')
+for (prop in properties) {
+    if (!hasProperty(prop)) {
+        throw new GradleException("Please ensure the '$prop' property is defined before applying this script.")
+    }
 }
 
 project.buildscript.repositories {
-
     maven {
         url buildKotlinCompilerRepo
     }

performance/build.gradle

@@ -4,24 +4,16 @@ import org.jetbrains.kotlin.BuildRegister
 import org.jetbrains.kotlin.MPPTools
 
 buildscript {
-    ext.rootBuildDirectory = file('..')
-
-    apply from: "$rootBuildDirectory/gradle/loadRootProperties.gradle"
-    apply from: "$rootBuildDirectory/gradle/kotlinGradlePlugin.gradle"
+    apply from: "$rootProject.projectDir/gradle/kotlinGradlePlugin.gradle"
     repositories {
         maven {
             url 'https://cache-redirector.jetbrains.com/jcenter'
         }
-        maven {
-            url kotlinCompilerRepo
-        }
-    }
-
-    dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
     }
 }
 
+def rootBuildDirectory = rootProject.projectDir
+
 task konanRun {
     subprojects.each {
         dependsOn it.getTasksByName('konanRun', true)[0]

performance/framework/build.gradle

@@ -3,22 +3,12 @@ import org.jetbrains.kotlin.PlatformInfo
 import org.jetbrains.kotlin.RunJvmTask
 
 buildscript {
-    ext.rootBuildDirectory = file('../..')
-
-    apply from: "$rootBuildDirectory/gradle/loadRootProperties.gradle"
-    apply from: "$rootBuildDirectory/gradle/kotlinGradlePlugin.gradle"
+    apply from: "$rootProject.projectDir/gradle/kotlinGradlePlugin.gradle"
 
     repositories {
         maven {
             url 'https://cache-redirector.jetbrains.com/jcenter'
         }
-        maven {
-            url kotlinCompilerRepo
-        }
-    }
-
-    dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
     }
 }
 

performance/ring/src/main/kotlin/main.kt

@@ -46,6 +46,8 @@ class RingLauncher(numWarmIterations: Int, numberOfAttempts: Int, prefix: String
     val switchBenchmark = SwitchBenchmark()
     val withIndiciesBenchmark = WithIndiciesBenchmark()
     val callsBenchmark = CallsBenchmark()
+    val coordinatesSolverBenchmark = CoordinatesSolverBenchmark()
+    val graphSolverBenchmark = GraphSolverBenchmark()
 
     override val benchmarks = BenchmarksCollection(
             mutableMapOf(
@@ -225,7 +227,9 @@ class RingLauncher(numWarmIterations: Int, numberOfAttempts: Int, prefix: String
                     "Calls.interfaceMethodBimorphic" to callsBenchmark::interfaceMethodCall_BimorphicCallsite,
                     "Calls.interfaceMethodTrimorphic" to callsBenchmark::interfaceMethodCall_TrimorphicCallsite,
                     "Calls.returnBoxUnboxFolding" to callsBenchmark::returnBoxUnboxFolding,
-                    "Calls.parameterBoxUnboxFolding" to callsBenchmark::parameterBoxUnboxFolding
+                    "Calls.parameterBoxUnboxFolding" to callsBenchmark::parameterBoxUnboxFolding,
+                    "CoordinatesSolver.solve" to coordinatesSolverBenchmark::solve,
+                    "GraphSolver.solve" to graphSolverBenchmark::solve
             )
     )
 }

performance/ring/src/main/kotlin/org/jetbrains/ring/CoordinatesSolver.kt

@@ -0,0 +1,348 @@
+package org.jetbrains.ring
+
+import kotlin.experimental.and
+
+class CoordinatesSolverBenchmark {
+    val solver: Solver
+
+    init {
+        val inputValue = """
+            12 5 3 25 3 9 3 9 1 3
+            13 3 12 6 10 10 12 2 10 10
+            9 2 9 5 6 12 5 0 2 10
+            10 14 12 5 3 9 5 2 10 10
+            8 1 3 9 4 0 3 14 10 10
+            12 0 4 6 9 6 12 5 6 10
+            11 12 3 9 6 9 5 3 9 6
+            8 5 6 8 3 12 7 10 10 11
+            12 3 13 6 12 3 9 6 12 2
+            13 4 5 5 5 6 12 5 5 2
+            1""".trimIndent()
+        val input = readTillParsed(inputValue)
+
+        solver = Solver(input!!)
+    }
+
+    data class Coordinate(val x: Int, val y: Int)
+
+    @SinceKotlin("1.1")
+    data class Field(val x: Int, val y: Int, val value: Byte) {
+        fun northWall(): Boolean {
+            return value and 1 != 0.toByte()
+        }
+
+        fun eastWall(): Boolean {
+            return value and 2 != 0.toByte()
+        }
+
+        fun southWall(): Boolean {
+            return value and 4 != 0.toByte()
+        }
+
+        fun westWall(): Boolean {
+            return value and 8 != 0.toByte()
+        }
+
+        fun hasObject(): Boolean {
+            return value and 16 != 0.toByte()
+        }
+    }
+
+    class Input(val labyrinth: Labyrinth, val nObjects: Int)
+
+    class Labyrinth(val width: Int, val height: Int, val fields: Array<Field>) {
+        fun getField(x: Int, y: Int): Field {
+            return fields[x + y * width]
+        }
+    }
+
+    class Output(val steps: List<Coordinate?>)
+
+    class InputParser {
+        private val rows : MutableList<Array<Field>> = mutableListOf()
+        private var numObjects: Int = 0
+
+        private val input: Input
+            get() {
+                val width = rows[0].size
+                val fields = arrayOfNulls<Field>(width * rows.size)
+
+                for (y in rows.indices) {
+                    val row = rows[y]
+                    for (p in y*width until y*width + width) {
+                        fields[p] = row[p-y*width]
+                    }
+                }
+
+                val labyrinth = Labyrinth(width, rows.size, fields.requireNoNulls())
+
+                return Input(labyrinth, numObjects)
+            }
+
+        fun feedLine(line: String): Input? {
+            val items = line.split(" ".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
+
+            if (items.size == 1) {
+                numObjects = items[0].toInt()
+
+                return input
+            } else if (items.size > 0) {
+                val rowNum = rows.size
+                val row = arrayOfNulls<Field>(items.size)
+
+                for (col in items.indices) {
+                    row[col] = Field(rowNum, col, items[col].toByte())
+                }
+
+                rows.add(row.requireNoNulls())
+            }
+
+            return null
+        }
+    }
+
+
+    class Solver(private val input: Input) {
+        private val objects: List<Coordinate>
+
+        private val width: Int
+        private val height: Int
+        private val maze_end: Coordinate
+
+        private var counter: Long = 0
+
+        init {
+
+            objects = ArrayList()
+            for (f in input.labyrinth.fields) {
+                if (f.hasObject()) {
+                    objects.add(Coordinate(f.x, f.y))
+                }
+            }
+
+            width = input.labyrinth.width
+            height = input.labyrinth.height
+            maze_end = Coordinate(width - 1, height - 1)
+        }
+
+        fun solve(): Output {
+            val steps = ArrayList<Coordinate>()
+
+            for (o in objects.indices) {
+                var limit = input.labyrinth.width + input.labyrinth.height - 2
+
+                var ss: List<Coordinate>? = null
+                while (ss == null) {
+                    //println("o$o, limit: $limit")
+
+                    if (o == 0) {
+                        ss = solveWithLimit(limit, MAZE_START) { it[it.size - 1] == objects[0] }
+                    } else {
+                        ss = solveWithLimit(limit, objects[o - 1]) { it[it.size - 1] == objects[o] }
+                    }
+
+                    if (ss != null) {
+                        steps.addAll(ss)
+                    }
+
+                    limit++
+                }
+            }
+
+            var limit = input.labyrinth.width + input.labyrinth.height - 2
+
+            var ss: List<Coordinate>? = null
+            while (ss == null) {
+                ss = solveWithLimit(limit, objects[objects.size - 1]) { it[it.size - 1] == maze_end }
+
+                if (ss != null) {
+                    steps.addAll(ss)
+                }
+
+                limit++
+            }
+
+            return createOutput(steps)
+        }
+
+        private fun createOutput(steps: List<Coordinate>): Output {
+            val objects : MutableList<Coordinate> = this.objects.toMutableList()
+            val outSteps : MutableList<Coordinate?> = mutableListOf()
+
+            for (step in steps) {
+                outSteps.add(step)
+
+                if (objects.contains(step)) {
+                    outSteps.add(null)
+                    objects.remove(step)
+                }
+            }
+
+            return Output(outSteps)
+        }
+
+        private fun isValid(steps: List<Coordinate>): Boolean {
+            counter++
+            val (x, y) = steps[steps.size - 1]
+            return if (!(x == input.labyrinth.width - 1 && y == input.labyrinth.height - 1)) { // Jobb also a cel
+                false
+            } else steps.containsAll(objects)
+
+        }
+
+        private fun getPossibleSteps(now: Coordinate, previous: Coordinate?): ArrayList<Coordinate> {
+            val field = input.labyrinth.getField(now.x, now.y)
+
+            val possibleSteps = ArrayList<Coordinate>()
+
+            if (now.x != width - 1 && !field.eastWall()) {
+                possibleSteps.add(Coordinate(now.x + 1, now.y))
+            }
+            if (now.x != 0 && !field.westWall()) {
+                possibleSteps.add(Coordinate(now.x - 1, now.y))
+            }
+            if (now.y != 0 && !field.northWall()) {
+                possibleSteps.add(Coordinate(now.x, now.y - 1))
+            }
+            if (now.y != height - 1 && !field.southWall()) {
+                possibleSteps.add(Coordinate(now.x, now.y + 1))
+            }
+
+            if (!field.hasObject() && previous != null) {
+                possibleSteps.remove(previous)
+            }
+
+            return possibleSteps
+        }
+
+        private fun solveWithLimit(limit: Int, start: Coordinate, validFn: (List<Coordinate>) -> Boolean): List<Coordinate>? {
+            var steps: MutableList<Coordinate>? = findFirstLegitSteps(null, start, limit)
+
+            while (steps != null && !validFn(steps)) {
+                steps = alter(start, null, steps)
+            }
+
+            return steps
+        }
+
+        private fun findFirstLegitSteps(startPrev: Coordinate?, start: Coordinate, num: Int): MutableList<Coordinate>? {
+            var steps: MutableList<Coordinate>? = ArrayList()
+
+
+            var i = 0
+            while (i < num) {
+                val prev: Coordinate?
+                val state: Coordinate
+
+                if (i == 0) {
+                    state = start
+                    prev = startPrev
+                } else if (i == 1) {
+                    state = steps!![i - 1]
+                    prev = startPrev
+                } else {
+                    state = steps!![i - 1]
+                    prev = steps[i - 2]
+                }
+
+                val possibleSteps = getPossibleSteps(state, prev)
+
+                if (possibleSteps.size == 0) {
+                    if (steps!!.size == 0) {
+                        return null
+                    }
+
+                    steps = alter(start, startPrev, steps)
+                    if (steps == null) {
+                        return null
+                    }
+
+                    i--
+                    i++
+                    continue
+                }
+
+                val newStep = possibleSteps[0]
+                steps!!.add(newStep)
+                i++
+            }
+
+            return steps
+        }
+
+        private fun alter(start: Coordinate, startPrev: Coordinate?, steps: MutableList<Coordinate>): MutableList<Coordinate>? {
+            val size = steps.size
+
+            var i = size - 1
+            while (i >= 0) {
+                val current = steps[i]
+                val prev = if (i == 0) start else steps[i - 1]
+                val prevprev: Coordinate?
+                if (i > 1) {
+                    prevprev = steps[i - 2]
+                } else if (i == 1) {
+                    prevprev = start
+                } else {
+                    prevprev = startPrev
+                }
+
+                val alternatives = getPossibleSteps(prev, prevprev)
+                val index = alternatives.indexOf(current)
+
+                if (index != alternatives.size - 1) {
+                    val newItem = alternatives[index + 1]
+                    steps[i] = newItem
+
+                    val remainder = findFirstLegitSteps(prev, newItem, size - i - 1)
+                    if (remainder == null) {
+                        i++
+                        i--
+                        continue
+                    }
+
+                    removeAfterIndexExclusive(steps, i)
+                    steps.addAll(remainder)
+
+                    return steps
+                } else {
+                    if (i == 0) {
+                        return null
+                    }
+                }
+                i--
+            }
+
+            return steps
+        }
+
+        companion object {
+            private val MAZE_START = Coordinate(0, 0)
+            private fun removeAfterIndexExclusive(list: MutableList<*>, index: Int) {
+                val rnum = list.size - 1 - index
+
+                for (i in 0 until rnum) {
+                    list.removeAt(list.size - 1)
+                }
+            }
+        }
+    }
+
+    private fun readTillParsed(inputValue: String): Input? {
+
+        val parser = InputParser()
+        var input: Input? = null
+        inputValue.lines().forEach { line ->
+            input = parser.feedLine(line)
+        }
+
+        return input
+    }
+
+    fun solve() {
+        val output = solver.solve()
+
+        for (c in output.steps) {
+            val value = if (c == null) { "felvesz" } else { "${c.x} ${c.y}" }
+        }
+    }
+}

performance/shared/src/main/kotlin/org/jetbrains/benchmarksLauncher/launcher.kt

@@ -51,6 +51,7 @@ abstract class Launcher(val numWarmIterations: Int, val numberOfAttempts: Int, v
             var autoEvaluatedNumberOfMeasureIteration = 1
             while (true) {
                 var j = autoEvaluatedNumberOfMeasureIteration
+                cleanup()
                 val time = measureNanoTime {
                     while (j-- > 0) {
                         benchmark()
@@ -64,6 +65,7 @@ abstract class Launcher(val numWarmIterations: Int, val numberOfAttempts: Int, v
             val samples = DoubleArray(numberOfAttempts)
             for (k in samples.indices) {
                 i = autoEvaluatedNumberOfMeasureIteration
+                cleanup()
                 val time = measureNanoTime {
                     while (i-- > 0) {
                         benchmark()

performance/swiftinterop/build.gradle

@@ -6,22 +6,11 @@ import org.jetbrains.kotlin.UtilsKt
 import java.nio.file.Paths
 
 buildscript {
-    ext.rootBuildDirectory = file('../..')
-
-    apply from: "$rootBuildDirectory/gradle/loadRootProperties.gradle"
-    apply from: "$rootBuildDirectory/gradle/kotlinGradlePlugin.gradle"
-
+    apply from: "$rootProject.projectDir/gradle/kotlinGradlePlugin.gradle"
     repositories {
         maven {
             url 'https://cache-redirector.jetbrains.com/jcenter'
         }
-        maven {
-            url kotlinCompilerRepo
-        }
-    }
-
-    dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
     }
 }
 

platformLibs/build.gradle

@@ -4,8 +4,6 @@ import org.jetbrains.kotlin.konan.util.*
 
 import static org.jetbrains.kotlin.konan.util.VisibleNamedKt.getVisibleName
 
-apply plugin: 'konan'
-
 buildscript {
     repositories {
         maven {
@@ -14,18 +12,27 @@ buildscript {
         maven {
             url buildKotlinCompilerRepo
         }
+        maven {
+            url kotlinCompilerRepo
+        }
+        maven {
+            url "https://kotlin.bintray.com/kotlinx"
+        }
     }
 
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-native-gradle-plugin:$gradlePluginVersion"
+        classpath "org.jetbrains.kotlin:kotlin-native-build-tools:$konanVersion"
     }
-
-    ext.konanHome = distDir.absolutePath
-    def jvmArguments = [project.findProperty("platformLibsJvmArgs") ?: "-Xmx6G", *HostManager.defaultJvmArgs]
-    ext.jvmArgs = jvmArguments.join(" ")
-    ext.setProperty("org.jetbrains.kotlin.native.home", konanHome)
-    ext.setProperty("konan.jvmArgs", jvmArgs)
 }
+// These properties are used by the 'konan' plugin, thus we set them before applying it.
+ext.konanHome = distDir.absolutePath
+def jvmArguments = [project.findProperty("platformLibsJvmArgs") ?: "-Xmx6G", *HostManager.defaultJvmArgs]
+ext.jvmArgs = jvmArguments.join(" ")
+ext.setProperty("org.jetbrains.kotlin.native.home", konanHome)
+ext.setProperty("konan.jvmArgs", jvmArgs)
+
+apply plugin: 'konan'
 
 //#region Util functions.
 private ArrayList<DefFile> targetDefFiles(KonanTarget  target) {

runtime/build.gradle

@@ -19,6 +19,8 @@ targetList.each { targetName ->
         dependsOn "${targetName}Launcher"
         dependsOn "${targetName}Debug"
         dependsOn "${targetName}Release"
+        dependsOn "${targetName}Strict"
+        dependsOn "${targetName}Relaxed"
         target targetName
         includeRuntime(delegate)
         linkerArgs project.file("../common/build/$targetName/hash.bc").path
@@ -44,6 +46,20 @@ targetList.each { targetName ->
         target targetName
         includeRuntime(delegate)
     }
+
+    task ("${targetName}Strict", type: CompileCppToBitcode) {
+        name "strict"
+        srcRoot file('src/strict')
+        target targetName
+        includeRuntime(delegate)
+    }
+
+    task ("${targetName}Relaxed", type: CompileCppToBitcode) {
+        name "relaxed"
+        srcRoot file('src/relaxed')
+        target targetName
+        includeRuntime(delegate)
+    }
 }
 
 task hostRuntime(dependsOn: "${hostName}Runtime")

runtime/src/launcher/cpp/androidLauncher.cpp

@@ -14,10 +14,11 @@
   * limitations under the License.
   */
 
+#include "KString.h"
 #include "Memory.h"
 #include "Natives.h"
+#include "Porting.h"
 #include "Runtime.h"
-#include "KString.h"
 #include "Types.h"
 
 #ifdef KONAN_ANDROID
@@ -212,7 +213,7 @@ extern "C" void RUNTIME_USED Konan_main(
     ANativeActivity* activity, void* savedState, size_t savedStateSize) {
   bool launchThread = activity->instance == nullptr;
   if (launchThread) {
-    launcherState = (LauncherState*)calloc(sizeof(LauncherState), 1);
+    launcherState = (LauncherState*)konan::calloc(sizeof(LauncherState), 1);
     launcherState->nativeActivityState = {activity, savedState, savedStateSize, nullptr};
     activity->instance = launcherState;
     activity->callbacks->onDestroy = onDestroy;

runtime/src/main/cpp/Arrays.cpp

@@ -443,8 +443,7 @@ OBJ_GETTER(Kotlin_CharArray_copyOf, KConstRef thiz, KInt newSize) {
   if (newSize < 0) {
     ThrowIllegalArgumentException();
   }
-  ArrayHeader* result = AllocArrayInstance(
-      array->type_info(), newSize, OBJ_RESULT)->array();
+  ArrayHeader* result = AllocArrayInstance(array->type_info(), newSize, OBJ_RESULT)->array();
   KInt toCopy = array->count_ < newSize ?  array->count_ : newSize;
   memcpy(
       PrimitiveArrayAddressOfElementAt<KChar>(result, 0),
@@ -606,8 +605,7 @@ OBJ_GETTER(Kotlin_ImmutableBlob_toByteArray, KConstRef thiz, KInt startIndex, KI
       ThrowArrayIndexOutOfBoundsException();
   }
   KInt count = endIndex - startIndex;
-  ArrayHeader* result = AllocArrayInstance(
-      theByteArrayTypeInfo, count, OBJ_RESULT)->array();
+  ArrayHeader* result = AllocArrayInstance(theByteArrayTypeInfo, count, OBJ_RESULT)->array();
   memcpy(PrimitiveArrayAddressOfElementAt<KByte>(result, 0),
          PrimitiveArrayAddressOfElementAt<KByte>(array, startIndex),
          count);

runtime/src/main/cpp/Exceptions.h

@@ -59,6 +59,7 @@ void RUNTIME_NORETURN ThrowIllegalStateException();
 void RUNTIME_NORETURN ThrowInvalidMutabilityException(KConstRef where);
 void RUNTIME_NORETURN ThrowIncorrectDereferenceException();
 void RUNTIME_NORETURN ThrowIllegalObjectSharingException(KConstNativePtr typeInfo, KConstNativePtr address);
+void RUNTIME_NORETURN ThrowFreezingException(KRef toFreeze, KRef blocker);
 // Prints out message of Throwable.
 void PrintThrowable(KRef);
 

runtime/src/main/cpp/KString.cpp

@@ -728,6 +728,111 @@ void DisposeCString(char* cstring) {
 }
 
 // String.kt
+OBJ_GETTER(Kotlin_String_replace, KString thiz, KChar oldChar, KChar newChar, KBoolean ignoreCase) {
+  auto count = thiz->count_;
+  ArrayHeader* result = AllocArrayInstance(theStringTypeInfo, count, OBJ_RESULT)->array();
+  const KChar* thizRaw = CharArrayAddressOfElementAt(thiz, 0);
+  KChar* resultRaw = CharArrayAddressOfElementAt(result, 0);
+  if (ignoreCase) {
+    KChar oldCharLower = towlower_Konan(oldChar);
+    for (KInt index = 0; index < count; ++index) {
+      KChar thizChar = *thizRaw++;
+      *resultRaw++ = towlower_Konan(thizChar) == oldCharLower ? newChar : thizChar;
+    }
+  } else {
+    for (KInt index = 0; index < count; ++index) {
+      KChar thizChar = *thizRaw++;
+      *resultRaw++ = thizChar == oldChar ? newChar : thizChar;
+    }
+  }
+  RETURN_OBJ(result->obj());
+}
+
+OBJ_GETTER(Kotlin_String_plusImpl, KString thiz, KString other) {
+  RuntimeAssert(thiz != nullptr, "this cannot be null");
+  RuntimeAssert(other != nullptr, "other cannot be null");
+  RuntimeAssert(thiz->type_info() == theStringTypeInfo, "Must be a string");
+  RuntimeAssert(other->type_info() == theStringTypeInfo, "Must be a string");
+  KInt result_length = thiz->count_ + other->count_;
+  if (result_length < thiz->count_ || result_length < other->count_) {
+    ThrowArrayIndexOutOfBoundsException();
+  }
+  ArrayHeader* result = AllocArrayInstance(theStringTypeInfo, result_length, OBJ_RESULT)->array();
+  memcpy(
+      CharArrayAddressOfElementAt(result, 0),
+      CharArrayAddressOfElementAt(thiz, 0),
+      thiz->count_ * sizeof(KChar));
+  memcpy(
+      CharArrayAddressOfElementAt(result, thiz->count_),
+      CharArrayAddressOfElementAt(other, 0),
+      other->count_ * sizeof(KChar));
+  RETURN_OBJ(result->obj());
+}
+
+OBJ_GETTER(Kotlin_String_toUpperCase, KString thiz) {
+  auto count = thiz->count_;
+  ArrayHeader* result = AllocArrayInstance(theStringTypeInfo, count, OBJ_RESULT)->array();
+  const KChar* thizRaw = CharArrayAddressOfElementAt(thiz, 0);
+  KChar* resultRaw = CharArrayAddressOfElementAt(result, 0);
+  for (KInt index = 0; index < count; ++index) {
+    *resultRaw++ = towupper_Konan(*thizRaw++);
+  }
+  RETURN_OBJ(result->obj());
+}
+
+OBJ_GETTER(Kotlin_String_toLowerCase, KString thiz) {
+  auto count = thiz->count_;
+  ArrayHeader* result = AllocArrayInstance(theStringTypeInfo, count, OBJ_RESULT)->array();
+  const KChar* thizRaw = CharArrayAddressOfElementAt(thiz, 0);
+  KChar* resultRaw = CharArrayAddressOfElementAt(result, 0);
+  for (KInt index = 0; index < count; ++index) {
+    *resultRaw++ = towlower_Konan(*thizRaw++);
+  }
+  RETURN_OBJ(result->obj());
+}
+
+OBJ_GETTER(Kotlin_String_fromCharArray, KConstRef thiz, KInt start, KInt size) {
+  const ArrayHeader* array = thiz->array();
+  RuntimeAssert(array->type_info() == theCharArrayTypeInfo, "Must use a char array");
+  if (start < 0 || size < 0 || size > array->count_ - start) {
+    ThrowArrayIndexOutOfBoundsException();
+  }
+
+  if (size == 0) {
+    RETURN_RESULT_OF0(TheEmptyString);
+  }
+
+  ArrayHeader* result = AllocArrayInstance(theStringTypeInfo, size, OBJ_RESULT)->array();
+  memcpy(CharArrayAddressOfElementAt(result, 0),
+         CharArrayAddressOfElementAt(array, start),
+         size * sizeof(KChar));
+  RETURN_OBJ(result->obj());
+}
+
+OBJ_GETTER(Kotlin_String_toCharArray, KString string, KInt start, KInt size) {
+  ArrayHeader* result = AllocArrayInstance(theCharArrayTypeInfo, size, OBJ_RESULT)->array();
+  memcpy(CharArrayAddressOfElementAt(result, 0),
+         CharArrayAddressOfElementAt(string, start),
+         size * sizeof(KChar));
+  RETURN_OBJ(result->obj());
+}
+
+OBJ_GETTER(Kotlin_String_subSequence, KString thiz, KInt startIndex, KInt endIndex) {
+  if (startIndex < 0 || endIndex > thiz->count_ || startIndex > endIndex) {
+    // TODO: is it correct exception?
+    ThrowArrayIndexOutOfBoundsException();
+  }
+  if (startIndex == endIndex) {
+    RETURN_RESULT_OF0(TheEmptyString);
+  }
+  KInt length = endIndex - startIndex;
+  ArrayHeader* result = AllocArrayInstance(theStringTypeInfo, length, OBJ_RESULT)->array();
+  memcpy(CharArrayAddressOfElementAt(result, 0),
+         CharArrayAddressOfElementAt(thiz, startIndex),
+         length * sizeof(KChar));
+  RETURN_OBJ(result->obj());
+}
+
 KInt Kotlin_String_compareTo(KString thiz, KString other) {
   int result = memcmp(
     CharArrayAddressOfElementAt(thiz, 0),
@@ -806,56 +911,6 @@ OBJ_GETTER(Kotlin_String_toUtf8OrThrow, KString thiz, KInt start, KInt size) {
   RETURN_RESULT_OF(utf16ToUtf8Impl<utf16toUtf8OrThrow>, thiz, start, size);
 }
 
-OBJ_GETTER(Kotlin_String_fromCharArray, KConstRef thiz, KInt start, KInt size) {
-  const ArrayHeader* array = thiz->array();
-  RuntimeAssert(array->type_info() == theCharArrayTypeInfo, "Must use a char array");
-  if (start < 0 || size < 0 || size > array->count_ - start) {
-    ThrowArrayIndexOutOfBoundsException();
-  }
-
-  if (size == 0) {
-    RETURN_RESULT_OF0(TheEmptyString);
-  }
-
-  ArrayHeader* result = AllocArrayInstance(
-      theStringTypeInfo, size, OBJ_RESULT)->array();
-  memcpy(CharArrayAddressOfElementAt(result, 0),
-         CharArrayAddressOfElementAt(array, start),
-         size * sizeof(KChar));
-  RETURN_OBJ(result->obj());
-}
-
-OBJ_GETTER(Kotlin_String_toCharArray, KString string, KInt start, KInt size) {
-  ArrayHeader* result = AllocArrayInstance(
-    theCharArrayTypeInfo, size, OBJ_RESULT)->array();
-  memcpy(CharArrayAddressOfElementAt(result, 0),
-         CharArrayAddressOfElementAt(string, start),
-         size * sizeof(KChar));
-  RETURN_OBJ(result->obj());
-}
-
-OBJ_GETTER(Kotlin_String_plusImpl, KString thiz, KString other) {
-  RuntimeAssert(thiz != nullptr, "this cannot be null");
-  RuntimeAssert(other != nullptr, "other cannot be null");
-  RuntimeAssert(thiz->type_info() == theStringTypeInfo, "Must be a string");
-  RuntimeAssert(other->type_info() == theStringTypeInfo, "Must be a string");
-  KInt result_length = thiz->count_ + other->count_;
-  if (result_length < thiz->count_ || result_length < other->count_) {
-    ThrowArrayIndexOutOfBoundsException();
-  }
-  ArrayHeader* result = AllocArrayInstance(
-    theStringTypeInfo, result_length, OBJ_RESULT)->array();
-  memcpy(
-      CharArrayAddressOfElementAt(result, 0),
-      CharArrayAddressOfElementAt(thiz, 0),
-      thiz->count_ * sizeof(KChar));
-  memcpy(
-      CharArrayAddressOfElementAt(result, thiz->count_),
-      CharArrayAddressOfElementAt(other, 0),
-      other->count_ * sizeof(KChar));
-  RETURN_OBJ(result->obj());
-}
-
 KInt Kotlin_StringBuilder_insertString(KRef builder, KInt position, KString fromString) {
   auto toArray = builder->array();
   RuntimeAssert(toArray->count_ >= fromString->count_ + position, "must be true");
@@ -907,52 +962,6 @@ KBoolean Kotlin_String_equalsIgnoreCase(KString thiz, KConstRef other) {
   return true;
 }
 
-OBJ_GETTER(Kotlin_String_replace, KString thiz, KChar oldChar, KChar newChar,
-           KBoolean ignoreCase) {
-  auto count = thiz->count_;
-  ArrayHeader* result = AllocArrayInstance(
-      theStringTypeInfo, count, OBJ_RESULT)->array();
-  const KChar* thizRaw = CharArrayAddressOfElementAt(thiz, 0);
-  KChar* resultRaw = CharArrayAddressOfElementAt(result, 0);
-  if (ignoreCase) {
-    KChar oldCharLower = towlower_Konan(oldChar);
-    for (KInt index = 0; index < count; ++index) {
-      KChar thizChar = *thizRaw++;
-      *resultRaw++ = towlower_Konan(thizChar) == oldCharLower ? newChar : thizChar;
-    }
-  } else {
-    for (KInt index = 0; index < count; ++index) {
-      KChar thizChar = *thizRaw++;
-      *resultRaw++ = thizChar == oldChar ? newChar : thizChar;
-    }
-  }
-  RETURN_OBJ(result->obj());
-}
-
-OBJ_GETTER(Kotlin_String_toUpperCase, KString thiz) {
-  auto count = thiz->count_;
-  ArrayHeader* result = AllocArrayInstance(
-      theStringTypeInfo, count, OBJ_RESULT)->array();
-  const KChar* thizRaw = CharArrayAddressOfElementAt(thiz, 0);
-  KChar* resultRaw = CharArrayAddressOfElementAt(result, 0);
-  for (KInt index = 0; index < count; ++index) {
-    *resultRaw++ = towupper_Konan(*thizRaw++);
-  }
-  RETURN_OBJ(result->obj());
-}
-
-OBJ_GETTER(Kotlin_String_toLowerCase, KString thiz) {
-  auto count = thiz->count_;
-  ArrayHeader* result = AllocArrayInstance(
-      theStringTypeInfo, count, OBJ_RESULT)->array();
-  const KChar* thizRaw = CharArrayAddressOfElementAt(thiz, 0);
-  KChar* resultRaw = CharArrayAddressOfElementAt(result, 0);
-  for (KInt index = 0; index < count; ++index) {
-    *resultRaw++ = towlower_Konan(*thizRaw++);
-  }
-  RETURN_OBJ(result->obj());
-}
-
 KBoolean Kotlin_String_regionMatches(KString thiz, KInt thizOffset,
                                      KString other, KInt otherOffset,
                                      KInt length, KBoolean ignoreCase) {
@@ -1161,22 +1170,6 @@ KInt Kotlin_String_hashCode(KString thiz) {
     CharArrayAddressOfElementAt(thiz, 0), thiz->count_ * sizeof(KChar));
 }
 
-OBJ_GETTER(Kotlin_String_subSequence, KString thiz, KInt startIndex, KInt endIndex) {
-  if (startIndex < 0 || endIndex > thiz->count_ || startIndex > endIndex) {
-    // TODO: is it correct exception?
-    ThrowArrayIndexOutOfBoundsException();
-  }
-  if (startIndex == endIndex) {
-    RETURN_RESULT_OF0(TheEmptyString);
-  }
-  KInt length = endIndex - startIndex;
-  ArrayHeader* result = AllocArrayInstance(theStringTypeInfo, length, OBJ_RESULT)->array();
-  memcpy(CharArrayAddressOfElementAt(result, 0),
-         CharArrayAddressOfElementAt(thiz, startIndex),
-         length * sizeof(KChar));
-  RETURN_OBJ(result->obj());
-}
-
 const KChar* Kotlin_String_utf16pointer(KString message) {
   RuntimeAssert(message->type_info() == theStringTypeInfo, "Must use a string");
   const KChar* utf16 = CharArrayAddressOfElementAt(message, 0);

runtime/src/main/cpp/Memory.h

@@ -426,11 +426,30 @@ void ResumeMemory(MemoryState* state);
 // Escape analysis algorithm is the provider of information for decision on exact aux slot
 // selection, and comes from upper bound esteemation of object lifetime.
 //
+OBJ_GETTER(AllocInstanceStrict, const TypeInfo* type_info) RUNTIME_NOTHROW;
+OBJ_GETTER(AllocInstanceRelaxed, const TypeInfo* type_info) RUNTIME_NOTHROW;
 OBJ_GETTER(AllocInstance, const TypeInfo* type_info) RUNTIME_NOTHROW;
+
+OBJ_GETTER(AllocArrayInstanceStrict, const TypeInfo* type_info, int32_t elements);
+OBJ_GETTER(AllocArrayInstanceRelaxed, const TypeInfo* type_info, int32_t elements);
 OBJ_GETTER(AllocArrayInstance, const TypeInfo* type_info, int32_t elements);
+
+OBJ_GETTER(InitInstanceStrict,
+    ObjHeader** location, const TypeInfo* typeInfo, void (*ctor)(ObjHeader*));
+OBJ_GETTER(InitInstanceRelaxed,
+    ObjHeader** location, const TypeInfo* typeInfo, void (*ctor)(ObjHeader*));
+OBJ_GETTER(InitInstance,
+    ObjHeader** location, const TypeInfo* typeInfo, void (*ctor)(ObjHeader*));
+
+OBJ_GETTER(InitSharedInstanceStrict,
+    ObjHeader** location, ObjHeader** localLocation, const TypeInfo* typeInfo, void (*ctor)(ObjHeader*));
+OBJ_GETTER(InitSharedInstanceRelaxed,
+    ObjHeader** location, ObjHeader** localLocation, const TypeInfo* typeInfo, void (*ctor)(ObjHeader*));
+OBJ_GETTER(InitSharedInstance,
+    ObjHeader** location, ObjHeader** localLocation, const TypeInfo* typeInfo, void (*ctor)(ObjHeader*));
+
+// Cleanup references inside object.
 void DeinitInstanceBody(const TypeInfo* typeInfo, void* body);
-OBJ_GETTER(InitInstance, ObjHeader** location, const TypeInfo* type_info,
-           void (*ctor)(ObjHeader*));
 
 // Weak reference operations.
 // Atomically clears counter object reference.
@@ -485,8 +504,6 @@ OBJ_GETTER(ReadHeapRefLocked, ObjHeader** location, int32_t* spinlock) RUNTIME_N
 void EnterFrame(ObjHeader** start, int parameters, int count) RUNTIME_NOTHROW;
 // Called on frame leave, if it has object slots.
 void LeaveFrame(ObjHeader** start, int parameters, int count) RUNTIME_NOTHROW;
-// Collect garbage, which cannot be found by reference counting (cycles).
-void GarbageCollect() RUNTIME_NOTHROW;
 // Clears object subgraph references from memory subsystem, and optionally
 // checks if subgraph referenced by given root is disjoint from the rest of
 // object graph, i.e. no external references exists.

runtime/src/main/cpp/MemoryPrivate.hpp

@@ -19,7 +19,12 @@
 
 #include "Memory.h"
 
+extern "C" {
+
 void AddRefFromAssociatedObject(const ObjHeader* object) RUNTIME_NOTHROW;
 void ReleaseRefFromAssociatedObject(const ObjHeader* object) RUNTIME_NOTHROW;
+void Kotlin_ObjCExport_releaseAssociatedObject(void* associatedObject);
+
+}  // extern "C"
 
 #endif // RUNTIME_MEMORYPRIVATE_HPP

runtime/src/main/cpp/Natives.h

@@ -84,72 +84,10 @@ inline const KRef* ArrayAddressOfElementAt(const ArrayHeader* obj, KInt index) {
 extern "C" {
 #endif
 
-// RuntimeUtils.kt.
 OBJ_GETTER0(TheEmptyString);
-
-// Any.kt
-KBoolean Kotlin_Any_equals(KConstRef thiz, KConstRef other);
-KInt Kotlin_Any_hashCode(KConstRef thiz);
-OBJ_GETTER(Kotlin_Any_toString, KConstRef thiz);
-
-// Arrays.kt
-// TODO: those must be compiler intrinsics afterwards.
-OBJ_GETTER(Kotlin_Array_clone, KConstRef thiz);
-OBJ_GETTER(Kotlin_Array_get, KConstRef thiz, KInt index);
-void Kotlin_Array_set(KRef thiz, KInt index, KConstRef value);
-KInt Kotlin_Array_getArrayLength(KConstRef thiz);
-
-OBJ_GETTER(Kotlin_ByteArray_clone, KConstRef thiz);
-KByte Kotlin_ByteArray_get(KConstRef thiz, KInt index);
-void Kotlin_ByteArray_set(KRef thiz, KInt index, KByte value);
-KInt Kotlin_ByteArray_getArrayLength(KConstRef thiz);
-
-OBJ_GETTER(Kotlin_CharArray_clone, KConstRef thiz);
-KChar Kotlin_CharArray_get(KConstRef thiz, KInt index);
-void Kotlin_CharArray_set(KRef thiz, KInt index, KChar value);
-KInt Kotlin_CharArray_getArrayLength(KConstRef thiz);
-
-OBJ_GETTER(Kotlin_IntArray_clone, KConstRef thiz);
-KInt Kotlin_IntArray_get(KConstRef thiz, KInt index);
-void Kotlin_IntArray_set(KRef thiz, KInt index, KInt value);
-KInt Kotlin_IntArray_getArrayLength(KConstRef thiz);
-
-KLong Kotlin_LongArray_get(KConstRef thiz, KInt index);
-void Kotlin_LongArray_set(KRef thiz, KInt index, KLong value);
-
-KNativePtr Kotlin_NativePtrArray_get(KConstRef thiz, KInt index);
-void Kotlin_NativePtrArray_set(KRef thiz, KInt index, KNativePtr value);
-KInt Kotlin_NativePtrArray_getArrayLength(KConstRef thiz);
-
-// io/Console.kt
-void Kotlin_io_Console_print(KString message);
-void Kotlin_io_Console_println(KString message);
 void Kotlin_io_Console_println0();
-OBJ_GETTER0(Kotlin_io_Console_readLine);
-
-// Primitives.kt.
-OBJ_GETTER(Kotlin_Int_toString, KInt value);
-
-// String.kt
-KInt Kotlin_String_hashCode(KString thiz);
-KBoolean Kotlin_String_equals(KString thiz, KConstRef other);
-KInt Kotlin_String_compareTo(KString thiz, KString other);
-KInt Kotlin_String_compareToIgnoreCase(KString thiz, KConstRef other);
-KChar Kotlin_String_get(KString thiz, KInt index);
-OBJ_GETTER(Kotlin_String_fromUtf8Array, KConstRef array, KInt start, KInt size);
-OBJ_GETTER(Kotlin_String_fromCharArray, KConstRef array, KInt start, KInt size);
-OBJ_GETTER(Kotlin_String_plusImpl, KString thiz, KString other);
-KInt Kotlin_String_getStringLength(KString thiz);
-OBJ_GETTER(Kotlin_String_subSequence, KString thiz, KInt startIndex, KInt endIndex);
-
-OBJ_GETTER0(Kotlin_getCurrentStackTrace);
-
-OBJ_GETTER(Kotlin_getStackTraceStrings, KConstRef stackTrace);
-
-OBJ_GETTER0(Kotlin_native_internal_undefined);
-
-void Kotlin_native_internal_GC_suspend(KRef);
-void Kotlin_native_internal_GC_resume(KRef);
+void Kotlin_NativePtrArray_set(KRef thiz, KInt index, KNativePtr value);
+KNativePtr Kotlin_NativePtrArray_get(KConstRef thiz, KInt index);
 
 #ifdef __cplusplus
 }

runtime/src/main/cpp/ObjCExport.mm

@@ -104,6 +104,7 @@ extern "C" id Kotlin_ObjCExport_GetAssociatedObject(ObjHeader* obj) {
 }
 
 inline static OBJ_GETTER(AllocInstanceWithAssociatedObject, const TypeInfo* typeInfo, id associatedObject) {
+  // TODO: memory model!
   ObjHeader* result = AllocInstance(typeInfo, OBJ_RESULT);
   SetAssociatedObject(result, associatedObject);
   return result;

runtime/src/main/cpp/Regex.cpp

@@ -548,6 +548,14 @@ KInt getCanonicalClass(KInt ch) {
   return canonicalClassesValues[index];
 }
 
+const Decomposition* getDecomposition(KInt codePoint) {
+  int index = binarySearchRange(decompositionKeys, ARRAY_SIZE(decompositionKeys), codePoint);
+  if (decompositionKeys[index] != codePoint) {
+    return nullptr;
+  }
+  return &decompositionValues[index];
+}
+
 } // namespace
 
 extern "C" {
@@ -561,14 +569,6 @@ KBoolean Kotlin_text_regex_hasSingleCodepointDecompositionInternal(KInt ch) {
   return singleDecompositions[index] == ch;
 }
 
-const Decomposition* getDecomposition(KInt codePoint) {
-  int index = binarySearchRange(decompositionKeys, ARRAY_SIZE(decompositionKeys), codePoint);
-  if (decompositionKeys[index] != codePoint) {
-    return nullptr;
-  }
-  return &decompositionValues[index];
-}
-
 OBJ_GETTER(Kotlin_text_regex_getDecompositionInternal, KInt ch) {
   const Decomposition* decomposition = getDecomposition(ch);
   if (decomposition == nullptr) {

runtime/src/main/cpp/ToString.cpp

@@ -76,8 +76,7 @@ OBJ_GETTER(Kotlin_Byte_toString, KByte value) {
 }
 
 OBJ_GETTER(Kotlin_Char_toString, KChar value) {
-  ArrayHeader* result = AllocArrayInstance(
-      theStringTypeInfo, 1, OBJ_RESULT)->array();
+  ArrayHeader* result = AllocArrayInstance(theStringTypeInfo, 1, OBJ_RESULT)->array();
   *CharArrayAddressOfElementAt(result, 0) = value;
   RETURN_OBJ(result->obj());
 }

runtime/src/main/kotlin/kotlin/String.kt

@@ -46,7 +46,7 @@ public final class String : Comparable<String>, CharSequence {
     external private fun getStringLength(): Int
 
     @SymbolName("Kotlin_String_plusImpl")
-    external private fun plusImpl(other: Any): String
+    external private fun plusImpl(other: String): String
 
     @SymbolName("Kotlin_String_equals")
     external public override fun equals(other: Any?): Boolean

runtime/src/main/kotlin/kotlin/text/Strings.kt

@@ -55,7 +55,6 @@ internal external fun stringEqualsIgnoreCase(thiz: String, other: String): Boole
 public actual external fun String.replace(
         oldChar: Char, newChar: Char, ignoreCase: Boolean): String
 
-
 /**
  * Returns a new string obtained by replacing all occurrences of the [oldValue] substring in this string
  * with the specified [newValue] string.