diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmBackendFacade.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmBackendFacade.kt
index 0de3de1d890..d947c57704b 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmBackendFacade.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmBackendFacade.kt
@@ -73,20 +73,18 @@ object JvmBackendFacade {
             facadeClassGenerator = ::facadeClassGenerator
         ).generateUnboundSymbolsAsDependencies()
 
-        val lower = JvmLower(context)
-
         for (irFile in irModuleFragment.files) {
-            try {
-                for (extension in IrGenerationExtension.getInstances(context.state.project)) {
-                    extension.generate(irFile, context, context.state.bindingContext)
-                }
-
-                lower.lower(irFile)
-            } catch (e: Throwable) {
-                errorHandler.reportException(e, null) // TODO ktFile.virtualFile.url
+            for (extension in IrGenerationExtension.getInstances(context.state.project)) {
+                extension.generate(irFile, context, context.state.bindingContext)
             }
         }
 
+        try {
+            JvmLower(context).lower(irModuleFragment)
+        } catch (e: Throwable) {
+            errorHandler.reportException(e, null)
+        }
+
         for (irFile in irModuleFragment.files) {
             try {
                 for (loweredClass in irFile.declarations) {
@@ -98,7 +96,7 @@ object JvmBackendFacade {
                 }
                 state.afterIndependentPart()
             } catch (e: Throwable) {
-                errorHandler.reportException(e, null)
+                errorHandler.reportException(e, null) // TODO ktFile.virtualFile.url
             }
         }
     }
diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmLower.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmLower.kt
index 47061880fb8..1bbd9cda73d 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmLower.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmLower.kt
@@ -13,6 +13,7 @@ import org.jetbrains.kotlin.backend.jvm.lower.*
 import org.jetbrains.kotlin.descriptors.Visibilities
 import org.jetbrains.kotlin.ir.declarations.IrDeclarationWithName
 import org.jetbrains.kotlin.ir.declarations.IrFile
+import org.jetbrains.kotlin.ir.declarations.IrModuleFragment
 import org.jetbrains.kotlin.ir.util.PatchDeclarationParentsVisitor
 import org.jetbrains.kotlin.ir.visitors.acceptVoid
 import org.jetbrains.kotlin.load.java.JvmAbi
@@ -41,7 +42,7 @@ private val arrayConstructorPhase = makeIrFilePhase(
     description = "Transform `Array(size) { index -> value }` into a loop"
 )
 
-private val expectDeclarationsRemovingPhase = makeIrFilePhase(
+private val expectDeclarationsRemovingPhase = makeIrModulePhase(
     ::ExpectDeclarationsRemoveLowering,
     name = "ExpectDeclarationsRemoving",
     description = "Remove expect declaration from module fragment"
@@ -90,81 +91,84 @@ private val innerClassesPhase = makeIrFilePhase(
     prerequisite = setOf(localDeclarationsPhase)
 )
 
-val jvmPhases = namedIrFilePhase<JvmBackendContext>(
+private val jvmFilePhases = inventNamesForLocalClassesPhase then
+
+        kCallableNamePropertyPhase then
+        arrayConstructorPhase then
+
+        lateinitPhase then
+
+        moveOrCopyCompanionObjectFieldsPhase then
+        inlineCallableReferenceToLambdaPhase then
+        propertyReferencePhase then
+        constPhase then
+        propertiesToFieldsPhase then
+        propertiesPhase then
+        renameFieldsPhase then
+        annotationPhase then
+        tailrecPhase then
+
+        jvmInlineClassPhase then
+
+        sharedVariablesPhase then
+
+        makePatchParentsPhase(1) then
+
+        enumWhenPhase then
+        singletonReferencesPhase then
+        localDeclarationsPhase then
+        defaultArgumentStubPhase then
+
+        interfacePhase then
+        interfaceDelegationPhase then
+        interfaceSuperCallsPhase then
+
+        singleAbstractMethodPhase then
+        addContinuationPhase then
+        callableReferencePhase then
+        functionNVarargInvokePhase then
+
+        innerClassesPhase then
+        innerClassConstructorCallsPhase then
+        forLoopsPhase then
+
+        makePatchParentsPhase(2) then
+
+        enumClassPhase then
+        objectClassPhase then
+        makeInitializersPhase(JvmLoweredDeclarationOrigin.CLASS_STATIC_INITIALIZER, true) then
+        syntheticAccessorPhase then
+        collectionStubMethodLowering then
+        bridgePhase then
+        jvmOverloadsAnnotationPhase then
+        jvmDefaultConstructorPhase then
+        jvmStaticAnnotationPhase then
+        staticDefaultFunctionPhase then
+
+        toArrayPhase then
+        flattenStringConcatenationPhase then
+        foldConstantLoweringPhase then
+        computeStringTrimPhase then
+        jvmBuiltinOptimizationLoweringPhase then
+        additionalClassAnnotationPhase then
+
+        recordNamesForKotlinTypeMapperPhase then
+
+        // should be last transformation
+        removeDeclarationsThatWouldBeInlined then
+        makePatchParentsPhase(3)
+
+val jvmPhases = namedIrModulePhase(
     name = "IrLowering",
     description = "IR lowering",
     lower = expectDeclarationsRemovingPhase then
             fileClassPhase then
-            inventNamesForLocalClassesPhase then
-            kCallableNamePropertyPhase then
-            arrayConstructorPhase then
-
-            lateinitPhase then
-
-            moveOrCopyCompanionObjectFieldsPhase then
-            inlineCallableReferenceToLambdaPhase then
-            propertyReferencePhase then
-            constPhase then
-            propertiesToFieldsPhase then
-            propertiesPhase then
-            renameFieldsPhase then
-            annotationPhase then
-            tailrecPhase then
-
-            jvmInlineClassPhase then
-
-            sharedVariablesPhase then
-
-            makePatchParentsPhase(1) then
-
-            enumWhenPhase then
-            singletonReferencesPhase then
-            localDeclarationsPhase then
-            defaultArgumentStubPhase then
-
-            interfacePhase then
-            interfaceDelegationPhase then
-            interfaceSuperCallsPhase then
-
-            singleAbstractMethodPhase then
-            addContinuationPhase then
-            callableReferencePhase then
-            functionNVarargInvokePhase then
-
-            innerClassesPhase then
-            innerClassConstructorCallsPhase then
-            forLoopsPhase then
-
-            makePatchParentsPhase(2) then
-
-            enumClassPhase then
-            objectClassPhase then
-            makeInitializersPhase(JvmLoweredDeclarationOrigin.CLASS_STATIC_INITIALIZER, true) then
-            syntheticAccessorPhase then
-            collectionStubMethodLowering then
-            bridgePhase then
-            jvmOverloadsAnnotationPhase then
-            jvmDefaultConstructorPhase then
-            jvmStaticAnnotationPhase then
-            staticDefaultFunctionPhase then
-
-            toArrayPhase then
-            flattenStringConcatenationPhase then
-            foldConstantLoweringPhase then
-            computeStringTrimPhase then
-            jvmBuiltinOptimizationLoweringPhase then
-            additionalClassAnnotationPhase then
-
-            recordNamesForKotlinTypeMapperPhase then
-
-            // should be last transformation
-            removeDeclarationsThatWouldBeInlined then
-            makePatchParentsPhase(3)
+            performByIrFile(lower = jvmFilePhases)
 )
 
 class JvmLower(val context: JvmBackendContext) {
-    fun lower(irFile: IrFile) {
+    fun lower(irModuleFragment: IrModuleFragment) {
         // TODO run lowering passes as callbacks in bottom-up visitor
-        jvmPhases.invokeToplevel(context.phaseConfig, context, irFile)
+        jvmPhases.invokeToplevel(context.phaseConfig, context, irModuleFragment)
     }
 }
diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/FileClassLowering.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/FileClassLowering.kt
index cf9065d1586..74170c1e37f 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/FileClassLowering.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/FileClassLowering.kt
@@ -19,7 +19,7 @@ package org.jetbrains.kotlin.backend.jvm.lower
 import org.jetbrains.kotlin.backend.common.FileLoweringPass
 import org.jetbrains.kotlin.backend.common.descriptors.WrappedClassDescriptor
 import org.jetbrains.kotlin.backend.common.ir.createImplicitParameterDeclarationWithWrappedDescriptor
-import org.jetbrains.kotlin.backend.common.phaser.makeIrFilePhase
+import org.jetbrains.kotlin.backend.common.phaser.makeIrModulePhase
 import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
 import org.jetbrains.kotlin.codegen.AsmUtil
 import org.jetbrains.kotlin.descriptors.ClassKind
@@ -33,15 +33,17 @@ import org.jetbrains.kotlin.psi2ir.PsiSourceManager
 import org.jetbrains.kotlin.resolve.source.KotlinSourceElement
 import java.util.*
 
-internal val fileClassPhase = makeIrFilePhase(
+internal val fileClassPhase = makeIrModulePhase(
     ::FileClassLowering,
     name = "FileClass",
     description = "Put file level function and property declaration into a class",
     stickyPostconditions = setOf(::checkAllFileLevelDeclarationsAreClasses)
 )
 
-private fun checkAllFileLevelDeclarationsAreClasses(irFile: IrFile) {
-    assert(irFile.declarations.all { it is IrClass })
+private fun checkAllFileLevelDeclarationsAreClasses(irModuleFragment: IrModuleFragment) {
+    assert(irModuleFragment.files.all { irFile ->
+        irFile.declarations.all { it is IrClass }
+    })
 }
 
 private class FileClassLowering(val context: JvmBackendContext) : FileLoweringPass {