[IR] Remove unused Ir.irModule property

It is required for the Native backend refactoring
where `Context` does not contain a reference for any
particular IrModuleFragment.

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/Ir.kt

@@ -23,7 +23,7 @@ import org.jetbrains.kotlin.ir.util.*
 import org.jetbrains.kotlin.name.Name
 
 // This is what Context collects about IR.
-abstract class Ir<out T : CommonBackendContext>(val context: T, val irModule: IrModuleFragment) {
+abstract class Ir<out T : CommonBackendContext>(val context: T) {
 
     abstract val symbols: Symbols
 

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/JsIrBackendContext.kt

@@ -59,7 +59,6 @@ class JsIrBackendContext(
     val module: ModuleDescriptor,
     override val irBuiltIns: IrBuiltIns,
     val symbolTable: SymbolTable,
-    irModuleFragment: IrModuleFragment,
     val additionalExportedDeclarationNames: Set<FqName>,
     keep: Set<String>,
     override val configuration: CompilerConfiguration, // TODO: remove configuration from backend context
@@ -193,7 +192,7 @@ class JsIrBackendContext(
         .find { it.valueParameters.firstOrNull()?.type?.isFunctionType == true }
         .let { symbolTable.referenceSimpleFunction(it!!) }
 
-    override val ir = object : Ir<JsIrBackendContext>(this, irModuleFragment) {
+    override val ir = object : Ir<JsIrBackendContext>(this) {
         override val symbols = object : Symbols(irBuiltIns, symbolTable) {
             private val context = this@JsIrBackendContext
 

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compiler.kt

@@ -105,7 +105,6 @@ fun compileIr(
         moduleDescriptor,
         irBuiltIns,
         symbolTable,
-        allModules.first(),
         exportedDeclarations,
         keep,
         configuration,

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compilerWithIC.kt

@@ -39,7 +39,6 @@ class JsIrCompilerWithIC(
             mainModule.descriptor,
             irBuiltIns,
             symbolTable,
-            mainModule,
             exportedDeclarations,
             keep = emptySet(),
             configuration = configuration,

compiler/ir/backend.jvm/entrypoint/src/org/jetbrains/kotlin/backend/jvm/JvmIrCodegenFactory.kt

@@ -284,7 +284,7 @@ open class JvmIrCodegenFactory(
         val phases = if (evaluatorFragmentInfoForPsi2Ir != null) jvmFragmentLoweringPhases else jvmLoweringPhases
         val phaseConfig = customPhaseConfig ?: PhaseConfig(phases)
         val context = JvmBackendContext(
-            state, irModuleFragment.irBuiltins, irModuleFragment, symbolTable, phaseConfig, extensions, backendExtension, irSerializer,
+            state, irModuleFragment.irBuiltins, symbolTable, phaseConfig, extensions, backendExtension, irSerializer,
         )
         if (evaluatorFragmentInfoForPsi2Ir != null) {
             context.localDeclarationsLoweringData = mutableMapOf()

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmBackendContext.kt

@@ -43,7 +43,6 @@ import java.util.concurrent.ConcurrentHashMap
 class JvmBackendContext(
     val state: GenerationState,
     override val irBuiltIns: IrBuiltIns,
-    irModuleFragment: IrModuleFragment,
     val symbolTable: SymbolTable,
     val phaseConfig: PhaseConfig,
     val generatorExtensions: JvmGeneratorExtensions,
@@ -85,7 +84,7 @@ class JvmBackendContext(
 
     val ktDiagnosticReporter = KtDiagnosticReporterWithImplicitIrBasedContext(state.diagnosticReporter, state.languageVersionSettings)
 
-    override val ir = JvmIr(irModuleFragment, this.symbolTable)
+    override val ir = JvmIr(this.symbolTable)
 
     override val sharedVariablesManager = JvmSharedVariablesManager(state.module, ir.symbols, irBuiltIns, irFactory)
 
@@ -270,9 +269,8 @@ class JvmBackendContext(
         get() = false
 
     inner class JvmIr(
-        irModuleFragment: IrModuleFragment,
         symbolTable: SymbolTable
-    ) : Ir<JvmBackendContext>(this, irModuleFragment) {
+    ) : Ir<JvmBackendContext>(this) {
         override val symbols = JvmSymbols(this@JvmBackendContext, symbolTable)
 
         override fun unfoldInlineClassType(irType: IrType): IrType? {

compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/WasmBackendContext.kt

@@ -123,7 +123,7 @@ class WasmBackendContext(
     override val propertyLazyInitialization: PropertyLazyInitialization =
         PropertyLazyInitialization(enabled = propertyLazyInitialization, eagerInitialization = wasmSymbols.eagerInitialization)
 
-    override val ir = object : Ir<WasmBackendContext>(this, irModuleFragment) {
+    override val ir = object : Ir<WasmBackendContext>(this) {
         override val symbols: Symbols = wasmSymbols
         override fun shouldGenerateHandlerParameterForDefaultBodyFun() = true
     }

js/js.tests/test/org/jetbrains/kotlin/benchmarks/GenerateIrRuntime.kt

@@ -601,7 +601,6 @@ class GenerateIrRuntime {
             module.descriptor,
             irBuiltIns,
             symbolTable,
-            module,
             additionalExportedDeclarationNames = emptySet(),
             keep = emptySet(),
             configuration

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

@@ -40,8 +40,6 @@ import org.jetbrains.kotlin.ir.util.SymbolTable
 import org.jetbrains.kotlin.konan.library.KonanLibraryLayout
 import org.jetbrains.kotlin.konan.target.Architecture
 import org.jetbrains.kotlin.konan.target.KonanTarget
-import org.jetbrains.kotlin.library.SerializedIrModule
-import org.jetbrains.kotlin.library.SerializedMetadata
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.BindingContext
@@ -83,7 +81,7 @@ internal class Context(
         irModules = psiToIrOutput.irModules
         irModule = psiToIrOutput.irModule
         expectDescriptorToSymbol = psiToIrOutput.expectDescriptorToSymbol
-        ir = KonanIr(this, psiToIrOutput.irModule)
+        ir = KonanIr(this)
         ir.symbols = psiToIrOutput.symbols
         if (psiToIrOutput.irLinker is KonanIrLinker) {
             irLinker = psiToIrOutput.irLinker
@@ -158,7 +156,7 @@ internal class Context(
                 throw Error("Another IrModule in the context.")
             }
             field = module!!
-            ir = KonanIr(this, module)
+            ir = KonanIr(this)
         }
 
     override lateinit var ir: KonanIr

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

@@ -41,7 +41,7 @@ object KonanNameConventions {
 }
 
 // This is what Context collects about IR.
-internal class KonanIr(context: Context, irModule: IrModuleFragment): Ir<Context>(context, irModule) {
+internal class KonanIr(context: Context): Ir<Context>(context) {
     override var symbols: KonanSymbols by Delegates.notNull()
 }