[K/N] IR version of isObjCObjectType

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/cgen/InteropIrUtils.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.ir.util.*
 import org.jetbrains.kotlin.konan.target.KonanTarget
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.ir.objcinterop.isObjCObjectType
 
 internal fun IrType.isCEnumType(): Boolean {
     if (isNullable()) return false

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

@@ -1,19 +0,0 @@
-/*
- * 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.ir
-
-import org.jetbrains.kotlin.ir.ObsoleteDescriptorBasedAPI
-import org.jetbrains.kotlin.ir.objcinterop.isObjCObjectType
-import org.jetbrains.kotlin.ir.types.IrType
-import org.jetbrains.kotlin.ir.types.toKotlinType
-
-// This file contains some IR utilities which actually use descriptors.
-// TODO: port this code to IR.
-
-
-@OptIn(ObsoleteDescriptorBasedAPI::class)
-internal fun IrType.isObjCObjectType() = this.toKotlinType().isObjCObjectType()
-

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

@@ -27,6 +27,7 @@ import org.jetbrains.kotlin.ir.visitors.acceptChildrenVoid
 import org.jetbrains.kotlin.ir.visitors.acceptVoid
 import org.jetbrains.kotlin.util.OperatorNameConventions
 import org.jetbrains.kotlin.backend.konan.llvm.*
+import org.jetbrains.kotlin.ir.objcinterop.isObjCObjectType
 
 internal class ExternalModulesDFG(val allTypes: List<DataFlowIR.Type.Declared>,
                                   val publicTypes: Map<Long, DataFlowIR.Type.Public>,