diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/KCallableNamePropertyLowering.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/KCallableNamePropertyLowering.kt
index 6570a2a2068..065962cca4b 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/KCallableNamePropertyLowering.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/KCallableNamePropertyLowering.kt
@@ -7,7 +7,7 @@ package org.jetbrains.kotlin.backend.common.lower
 
 import org.jetbrains.kotlin.backend.common.BackendContext
 import org.jetbrains.kotlin.backend.common.FileLoweringPass
-import org.jetbrains.kotlin.backend.common.phaser.makeIrModulePhase
+import org.jetbrains.kotlin.backend.common.phaser.makeIrFilePhase
 import org.jetbrains.kotlin.ir.declarations.IrClass
 import org.jetbrains.kotlin.ir.declarations.IrFile
 import org.jetbrains.kotlin.ir.declarations.IrProperty
@@ -21,7 +21,7 @@ import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
 import org.jetbrains.kotlin.ir.visitors.transformChildrenVoid
 import org.jetbrains.kotlin.name.Name
 
-val kCallableNamePropertyPhase = makeIrModulePhase(
+val kCallableNamePropertyPhase = makeIrFilePhase(
     ::KCallableNamePropertyLowering,
     name = "KCallableNameProperty",
     description = "Replace name references for callables with constants"
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/JvmLower.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/JvmLower.kt
index 77a92b0c783..d903b86028d 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/JvmLower.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/JvmLower.kt
@@ -57,6 +57,10 @@ private fun makeCheckParentsPhase(): SameTypeNamedCompilerPhase<CommonBackendCon
     )
 }
 
+internal fun JvmBackendContext.irInlinerIsEnabled(): Boolean {
+    return configuration.getBoolean(JVMConfigurationKeys.ENABLE_IR_INLINER)
+}
+
 private class PatchDeclarationParents : FileLoweringPass {
     override fun lower(irFile: IrFile) {
         irFile.acceptVoid(PatchDeclarationParentsVisitor())
@@ -82,7 +86,7 @@ private val validateIrAfterLowering = makeCustomPhase(
 )
 
 // TODO make all lambda-related stuff work with IrFunctionExpression and drop this phase
-private val provisionalFunctionExpressionPhase = makeIrModulePhase<CommonBackendContext>(
+private val provisionalFunctionExpressionPhase = makeIrFilePhase<CommonBackendContext>(
     { ProvisionalFunctionExpressionLowering() },
     name = "FunctionExpression",
     description = "Transform IrFunctionExpression to a local function reference"
@@ -283,7 +287,7 @@ private val kotlinNothingValueExceptionPhase = makeIrFilePhase<CommonBackendCont
     description = "Throw proper exception for calls returning value of type 'kotlin.Nothing'"
 )
 
-internal val functionInliningPhase = makeIrModulePhase<JvmBackendContext>(
+internal val functionInliningPhase = makeIrModulePhase(
     { context ->
         class JvmInlineFunctionResolver : InlineFunctionResolver {
             override fun getFunctionDeclaration(symbol: IrFunctionSymbol): IrFunction {
@@ -295,9 +299,7 @@ internal val functionInliningPhase = makeIrModulePhase<JvmBackendContext>(
             }
         }
 
-        if (!context.configuration.getBoolean(JVMConfigurationKeys.ENABLE_IR_INLINER)) {
-            return@makeIrModulePhase FileLoweringPass.Empty
-        }
+        if (!context.irInlinerIsEnabled()) return@makeIrModulePhase FileLoweringPass.Empty
 
         FunctionInlining(
             context, JvmInlineFunctionResolver(), context.innerClassesSupport,
@@ -314,6 +316,25 @@ internal val functionInliningPhase = makeIrModulePhase<JvmBackendContext>(
 )
 
 private val jvmFilePhases = listOf(
+    typeAliasAnnotationMethodsPhase,
+    provisionalFunctionExpressionPhase,
+
+    jvmOverloadsAnnotationPhase,
+    mainMethodGenerationPhase,
+
+    kCallableNamePropertyPhase,
+    annotationPhase,
+    annotationImplementationPhase,
+    polymorphicSignaturePhase,
+    varargPhase,
+
+    jvmLateinitLowering,
+    inventNamesForLocalClassesPhase,
+
+    inlineCallableReferenceToLambdaPhase,
+    directInvokeLowering,
+    functionReferencePhase,
+
     suspendLambdaPhase,
     propertyReferenceDelegationPhase,
     singletonOrConstantDelegationPhase,
@@ -439,28 +460,6 @@ private fun buildJvmLoweringPhases(
                 createSeparateCallForInlinedLambdas then
                 markNecessaryInlinedClassesAsRegenerated then
 
-                // Note: following phases can be moved to file level, but are located here because of `functionInliningPhase`
-                // This is needed, for example, for `kt42408` test.
-                // Function expression there must be transformed into ir class before moving to file level phases.
-                typeAliasAnnotationMethodsPhase then
-                provisionalFunctionExpressionPhase then
-
-                jvmOverloadsAnnotationPhase then
-                mainMethodGenerationPhase then
-
-                kCallableNamePropertyPhase then
-                annotationPhase then
-                annotationImplementationPhase then
-                polymorphicSignaturePhase then
-                varargPhase then
-
-                jvmLateinitLowering then
-                inventNamesForLocalClassesPhase then
-
-                inlineCallableReferenceToLambdaPhase then
-                directInvokeLowering then
-                functionReferencePhase then
-
                 buildLoweringsPhase(phases) then
                 generateMultifileFacadesPhase then
                 resolveInlineCallsPhase then
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/AnnotationLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/AnnotationLowering.kt
index f2f8b624d84..32436d16b6a 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/AnnotationLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/AnnotationLowering.kt
@@ -6,7 +6,7 @@
 package org.jetbrains.kotlin.backend.jvm.lower
 
 import org.jetbrains.kotlin.backend.common.FileLoweringPass
-import org.jetbrains.kotlin.backend.common.phaser.makeIrModulePhase
+import org.jetbrains.kotlin.backend.common.phaser.makeIrFilePhase
 import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
 import org.jetbrains.kotlin.ir.IrStatement
 import org.jetbrains.kotlin.ir.declarations.IrClass
@@ -16,7 +16,7 @@ import org.jetbrains.kotlin.ir.util.isAnnotationClass
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
 import org.jetbrains.kotlin.ir.visitors.transformChildrenVoid
 
-internal val annotationPhase = makeIrModulePhase<JvmBackendContext>(
+internal val annotationPhase = makeIrFilePhase<JvmBackendContext>(
     { AnnotationLowering() },
     name = "Annotation",
     description = "Remove constructors of annotation classes"
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/CreateSeparateCallForInlinedLambdasLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/CreateSeparateCallForInlinedLambdasLowering.kt
index e869f6112af..90198b7b902 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/CreateSeparateCallForInlinedLambdasLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/CreateSeparateCallForInlinedLambdasLowering.kt
@@ -14,6 +14,7 @@ import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
 import org.jetbrains.kotlin.backend.jvm.functionInliningPhase
 import org.jetbrains.kotlin.backend.jvm.ir.createJvmIrBuilder
 import org.jetbrains.kotlin.backend.jvm.ir.isInlineParameter
+import org.jetbrains.kotlin.backend.jvm.irInlinerIsEnabled
 import org.jetbrains.kotlin.ir.UNDEFINED_OFFSET
 import org.jetbrains.kotlin.ir.declarations.IrFile
 import org.jetbrains.kotlin.ir.expressions.*
@@ -22,7 +23,10 @@ import org.jetbrains.kotlin.ir.util.getArgumentsWithIr
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
 
 internal val createSeparateCallForInlinedLambdas = makeIrModulePhase(
-    ::CreateSeparateCallForInlinedLambdasLowering,
+    { context ->
+        if (!context.irInlinerIsEnabled()) return@makeIrModulePhase FileLoweringPass.Empty
+        CreateSeparateCallForInlinedLambdasLowering(context)
+    },
     name = "CreateSeparateCallForInlinedLambdasLowering",
     description = "This lowering will create separate call `singleArgumentInlineFunction` with previously inlined lambda as argument",
     prerequisite = setOf(functionInliningPhase)
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/DirectInvokeLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/DirectInvokeLowering.kt
index f9e718d149f..8b2c68b3658 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/DirectInvokeLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/DirectInvokeLowering.kt
@@ -11,7 +11,7 @@ import org.jetbrains.kotlin.backend.common.ir.asInlinableFunctionReference
 import org.jetbrains.kotlin.backend.common.ir.inline
 import org.jetbrains.kotlin.backend.common.lower.at
 import org.jetbrains.kotlin.backend.common.lower.createIrBuilder
-import org.jetbrains.kotlin.backend.common.phaser.makeIrModulePhase
+import org.jetbrains.kotlin.backend.common.phaser.makeIrFilePhase
 import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
 import org.jetbrains.kotlin.ir.builders.irBlock
 import org.jetbrains.kotlin.ir.declarations.IrConstructor
@@ -28,7 +28,7 @@ import org.jetbrains.kotlin.ir.util.explicitParameters
 import org.jetbrains.kotlin.ir.util.render
 import org.jetbrains.kotlin.util.OperatorNameConventions
 
-internal val directInvokeLowering = makeIrModulePhase(
+internal val directInvokeLowering = makeIrFilePhase(
     ::DirectInvokeLowering,
     name = "DirectInvokes",
     description = "Inline directly invoked lambdas and replace invoked function references with calls"
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/FakeInliningLocalVariablesAfterInlineLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/FakeInliningLocalVariablesAfterInlineLowering.kt
index 33029ecad5c..2787aeb7588 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/FakeInliningLocalVariablesAfterInlineLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/FakeInliningLocalVariablesAfterInlineLowering.kt
@@ -11,6 +11,7 @@ import org.jetbrains.kotlin.backend.common.lower.createIrBuilder
 import org.jetbrains.kotlin.backend.common.phaser.makeIrFilePhase
 import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
 import org.jetbrains.kotlin.backend.jvm.ir.isInlineOnly
+import org.jetbrains.kotlin.backend.jvm.irInlinerIsEnabled
 import org.jetbrains.kotlin.codegen.inline.INLINE_FUN_VAR_SUFFIX
 import org.jetbrains.kotlin.codegen.inline.coroutines.FOR_INLINE_SUFFIX
 import org.jetbrains.kotlin.ir.IrElement
@@ -27,8 +28,11 @@ import org.jetbrains.kotlin.load.java.JvmAbi
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.name.SpecialNames
 
-internal val fakeInliningLocalVariablesAfterInlineLowering = makeIrFilePhase(
-    ::FakeInliningLocalVariablesAfterInlineLowering,
+internal val fakeInliningLocalVariablesAfterInlineLowering = makeIrFilePhase<JvmBackendContext>(
+    { context ->
+        if (!context.irInlinerIsEnabled()) return@makeIrFilePhase FileLoweringPass.Empty
+        FakeInliningLocalVariablesAfterInlineLowering(context)
+    },
     name = "FakeInliningLocalVariablesAfterInlineLowering",
     description = """Add fake locals to identify the range of inlined functions and lambdas. 
         |This lowering adds fake locals into already inlined blocks.""".trimMargin()
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/FunctionReferenceLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/FunctionReferenceLowering.kt
index 4457fc3b21e..f8da171d199 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/FunctionReferenceLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/FunctionReferenceLowering.kt
@@ -11,7 +11,6 @@ import org.jetbrains.kotlin.backend.common.ir.moveBodyTo
 import org.jetbrains.kotlin.backend.common.lower.SamEqualsHashCodeMethodsGenerator
 import org.jetbrains.kotlin.backend.common.lower.VariableRemapper
 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.backend.jvm.JvmLoweredDeclarationOrigin
 import org.jetbrains.kotlin.backend.jvm.JvmLoweredStatementOrigin
@@ -40,7 +39,7 @@ import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.name.SpecialNames
 import org.jetbrains.kotlin.resolve.jvm.annotations.JVM_SERIALIZABLE_LAMBDA_ANNOTATION_FQ_NAME
 
-internal val functionReferencePhase = makeIrModulePhase(
+internal val functionReferencePhase = makeIrFilePhase(
     ::FunctionReferenceLowering,
     name = "FunctionReference",
     description = "Construct instances of anonymous KFunction subclasses for function references"
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/InlineCallableReferenceToLambda.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/InlineCallableReferenceToLambda.kt
index b0563809a23..cc3a9cad304 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/InlineCallableReferenceToLambda.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/InlineCallableReferenceToLambda.kt
@@ -8,7 +8,7 @@ package org.jetbrains.kotlin.backend.jvm.lower
 import org.jetbrains.kotlin.backend.common.FileLoweringPass
 import org.jetbrains.kotlin.backend.common.ir.addExtensionReceiver
 import org.jetbrains.kotlin.backend.common.lower.createIrBuilder
-import org.jetbrains.kotlin.backend.common.phaser.makeIrModulePhase
+import org.jetbrains.kotlin.backend.common.phaser.makeIrFilePhase
 import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
 import org.jetbrains.kotlin.backend.jvm.JvmLoweredDeclarationOrigin
 import org.jetbrains.kotlin.backend.jvm.JvmLoweredStatementOrigin
@@ -30,7 +30,7 @@ import org.jetbrains.kotlin.ir.util.*
 import org.jetbrains.kotlin.ir.visitors.IrElementVisitor
 import org.jetbrains.kotlin.name.Name
 
-internal val inlineCallableReferenceToLambdaPhase = makeIrModulePhase(
+internal val inlineCallableReferenceToLambdaPhase = makeIrFilePhase(
     ::InlineCallableReferenceToLambdaPhase,
     name = "InlineCallableReferenceToLambdaPhase",
     description = "Transform callable reference to inline lambdas, mark inline lambdas for later passes"
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmAnnotationImplementationTransformer.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmAnnotationImplementationTransformer.kt
index 36bdfaf3065..a07bfd01227 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmAnnotationImplementationTransformer.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmAnnotationImplementationTransformer.kt
@@ -8,7 +8,6 @@ package org.jetbrains.kotlin.backend.jvm.lower
 import org.jetbrains.kotlin.backend.common.ir.BuiltinSymbolsBase
 import org.jetbrains.kotlin.backend.common.lower.*
 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.backend.jvm.ir.createJvmIrBuilder
 import org.jetbrains.kotlin.backend.jvm.ir.isInPublicInlineScope
@@ -32,7 +31,7 @@ import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
 import org.jetbrains.kotlin.ir.visitors.transformChildrenVoid
 import org.jetbrains.kotlin.util.OperatorNameConventions
 
-internal val annotationImplementationPhase = makeIrModulePhase<JvmBackendContext>(
+internal val annotationImplementationPhase = makeIrFilePhase<JvmBackendContext>(
     { ctxt -> AnnotationImplementationLowering { JvmAnnotationImplementationTransformer(ctxt, it) } },
     name = "AnnotationImplementation",
     description = "Create synthetic annotations implementations and use them in annotations constructor calls"
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmInventNamesForLocalClasses.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmInventNamesForLocalClasses.kt
index 5a2d8b68d4f..75ba8fa48c2 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmInventNamesForLocalClasses.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmInventNamesForLocalClasses.kt
@@ -5,10 +5,11 @@
 
 package org.jetbrains.kotlin.backend.jvm.lower
 
+import org.jetbrains.kotlin.backend.common.FileLoweringPass
 import org.jetbrains.kotlin.backend.common.lower.InventNamesForLocalClasses
 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.backend.jvm.irInlinerIsEnabled
 import org.jetbrains.kotlin.codegen.JvmCodegenUtil
 import org.jetbrains.kotlin.ir.declarations.IrAttributeContainer
 import org.jetbrains.kotlin.ir.declarations.IrClass
@@ -18,7 +19,7 @@ import org.jetbrains.kotlin.ir.util.render
 import org.jetbrains.kotlin.resolve.jvm.JvmClassName
 import org.jetbrains.org.objectweb.asm.Type
 
-val inventNamesForLocalClassesPhase = makeIrModulePhase(
+val inventNamesForLocalClassesPhase = makeIrFilePhase(
     { context -> JvmInventNamesForLocalClasses(context) },
     name = "InventNamesForLocalClasses",
     description = "Invent names for local classes and anonymous objects",
@@ -27,7 +28,10 @@ val inventNamesForLocalClassesPhase = makeIrModulePhase(
 )
 
 val inventNamesForInlinedLocalClassesPhase = makeIrFilePhase(
-    { context -> JvmInventNamesForInlinedAnonymousObjects(context) },
+    { context ->
+        if (!context.irInlinerIsEnabled()) return@makeIrFilePhase FileLoweringPass.Empty
+        JvmInventNamesForInlinedAnonymousObjects(context)
+    },
     name = "InventNamesForInlinedLocalClasses",
     description = "Invent names for INLINED local classes and anonymous objects",
     prerequisite = setOf(inventNamesForLocalClassesPhase, removeDuplicatedInlinedLocalClasses)
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmLateinitLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmLateinitLowering.kt
index 45e19992bb7..75c4d7a2745 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmLateinitLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmLateinitLowering.kt
@@ -6,24 +6,16 @@
 package org.jetbrains.kotlin.backend.jvm.lower
 
 import org.jetbrains.kotlin.backend.common.FileLoweringPass
-import org.jetbrains.kotlin.backend.common.getOrPut
 import org.jetbrains.kotlin.backend.common.ir.Symbols
 import org.jetbrains.kotlin.backend.common.lower.createIrBuilder
 import org.jetbrains.kotlin.backend.common.lower.replaceTailExpression
 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.ir.IrStatement
 import org.jetbrains.kotlin.ir.builders.*
-import org.jetbrains.kotlin.ir.builders.declarations.buildField
-import org.jetbrains.kotlin.ir.builders.declarations.buildVariable
 import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.ir.expressions.impl.IrConstImpl
-import org.jetbrains.kotlin.ir.expressions.impl.IrGetFieldImpl
-import org.jetbrains.kotlin.ir.expressions.impl.IrSetFieldImpl
-import org.jetbrains.kotlin.ir.expressions.impl.IrSetValueImpl
-import org.jetbrains.kotlin.ir.types.isMarkedNullable
 import org.jetbrains.kotlin.ir.types.isPrimitiveType
 import org.jetbrains.kotlin.ir.types.makeNullable
 import org.jetbrains.kotlin.ir.util.dump
@@ -32,7 +24,7 @@ import org.jetbrains.kotlin.ir.util.resolveFakeOverride
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
 import org.jetbrains.kotlin.ir.visitors.transformChildrenVoid
 
-internal val jvmLateinitLowering = makeIrModulePhase(
+internal val jvmLateinitLowering = makeIrFilePhase(
     ::JvmLateinitLowering,
     name = "JvmLateinitLowering",
     description = "Lower lateinit properties and variables"
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmOverloadsAnnotationLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmOverloadsAnnotationLowering.kt
index ba1ba2c5b73..e5b54a87598 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmOverloadsAnnotationLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/JvmOverloadsAnnotationLowering.kt
@@ -7,7 +7,6 @@ package org.jetbrains.kotlin.backend.jvm.lower
 
 import org.jetbrains.kotlin.backend.common.ClassLoweringPass
 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.backend.jvm.JvmLoweredDeclarationOrigin
 import org.jetbrains.kotlin.config.LanguageFeature
@@ -21,7 +20,7 @@ import org.jetbrains.kotlin.ir.types.defaultType
 import org.jetbrains.kotlin.ir.util.*
 import org.jetbrains.kotlin.name.JvmNames.JVM_OVERLOADS_FQ_NAME
 
-internal val jvmOverloadsAnnotationPhase = makeIrModulePhase(
+internal val jvmOverloadsAnnotationPhase = makeIrFilePhase(
     ::JvmOverloadsAnnotationLowering,
     name = "JvmOverloadsAnnotation",
     description = "Handle JvmOverloads annotations"
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/MainMethodGenerationLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/MainMethodGenerationLowering.kt
index 32ac7c71413..ea51c9b941f 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/MainMethodGenerationLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/MainMethodGenerationLowering.kt
@@ -9,7 +9,6 @@ import org.jetbrains.kotlin.backend.common.ClassLoweringPass
 import org.jetbrains.kotlin.backend.common.lower.LocalDeclarationsLowering
 import org.jetbrains.kotlin.backend.common.lower.createIrBuilder
 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.backend.jvm.JvmLoweredDeclarationOrigin
 import org.jetbrains.kotlin.backend.jvm.ir.getJvmNameFromAnnotation
@@ -31,7 +30,7 @@ import org.jetbrains.kotlin.load.java.JavaDescriptorVisibilities
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.types.Variance
 
-internal val mainMethodGenerationPhase = makeIrModulePhase(
+internal val mainMethodGenerationPhase = makeIrFilePhase(
     ::MainMethodGenerationLowering,
     name = "MainMethodGeneration",
     description = "Generate main bridges to parameterless mains, and wrappers for suspend mains.",
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/MarkNecessaryInlinedClassesAsRegeneratedLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/MarkNecessaryInlinedClassesAsRegeneratedLowering.kt
index fe46bf5483a..26147172fe3 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/MarkNecessaryInlinedClassesAsRegeneratedLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/MarkNecessaryInlinedClassesAsRegeneratedLowering.kt
@@ -13,6 +13,7 @@ import org.jetbrains.kotlin.backend.common.phaser.makeIrModulePhase
 import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
 import org.jetbrains.kotlin.backend.jvm.functionInliningPhase
 import org.jetbrains.kotlin.backend.jvm.ir.isInlineParameter
+import org.jetbrains.kotlin.backend.jvm.irInlinerIsEnabled
 import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.expressions.*
@@ -26,7 +27,10 @@ import org.jetbrains.kotlin.ir.visitors.acceptChildrenVoid
 import org.jetbrains.kotlin.ir.visitors.acceptVoid
 
 internal val markNecessaryInlinedClassesAsRegenerated = makeIrModulePhase(
-    ::MarkNecessaryInlinedClassesAsRegeneratedLowering,
+    { context ->
+        if (!context.irInlinerIsEnabled()) return@makeIrModulePhase FileLoweringPass.Empty
+        MarkNecessaryInlinedClassesAsRegeneratedLowering(context)
+    },
     name = "MarkNecessaryInlinedClassesAsRegeneratedLowering",
     description = "Will scan all inlined functions and mark anonymous objects that must be later regenerated at backend",
     prerequisite = setOf(functionInliningPhase, createSeparateCallForInlinedLambdas)
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/PolymorphicSignatureLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/PolymorphicSignatureLowering.kt
index bc50b425d61..ae976e41847 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/PolymorphicSignatureLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/PolymorphicSignatureLowering.kt
@@ -6,7 +6,7 @@
 package org.jetbrains.kotlin.backend.jvm.lower
 
 import org.jetbrains.kotlin.backend.common.FileLoweringPass
-import org.jetbrains.kotlin.backend.common.phaser.makeIrModulePhase
+import org.jetbrains.kotlin.backend.common.phaser.makeIrFilePhase
 import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
 import org.jetbrains.kotlin.backend.jvm.JvmLoweredDeclarationOrigin
 import org.jetbrains.kotlin.config.LanguageFeature
@@ -24,7 +24,7 @@ import org.jetbrains.kotlin.ir.util.hasAnnotation
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
 import org.jetbrains.kotlin.resolve.jvm.checkers.PolymorphicSignatureCallChecker
 
-internal val polymorphicSignaturePhase = makeIrModulePhase(
+internal val polymorphicSignaturePhase = makeIrFilePhase(
     ::PolymorphicSignatureLowering,
     name = "PolymorphicSignature",
     description = "Replace polymorphic methods with fake ones according to types at the call site"
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/RemoveDuplicatedInlinedLocalClassesLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/RemoveDuplicatedInlinedLocalClassesLowering.kt
index 6a49a1f29b3..130f03de51a 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/RemoveDuplicatedInlinedLocalClassesLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/RemoveDuplicatedInlinedLocalClassesLowering.kt
@@ -15,7 +15,9 @@ import org.jetbrains.kotlin.backend.common.phaser.makeIrFilePhase
 import org.jetbrains.kotlin.backend.jvm.*
 import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.IrStatement
-import org.jetbrains.kotlin.ir.declarations.*
+import org.jetbrains.kotlin.ir.declarations.IrClass
+import org.jetbrains.kotlin.ir.declarations.IrFile
+import org.jetbrains.kotlin.ir.declarations.IrFunction
 import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.ir.expressions.impl.IrCompositeImpl
 import org.jetbrains.kotlin.ir.expressions.impl.IrConstructorCallImpl
@@ -24,7 +26,10 @@ import org.jetbrains.kotlin.ir.visitors.IrElementTransformer
 import org.jetbrains.kotlin.name.NameUtils
 
 internal val removeDuplicatedInlinedLocalClasses = makeIrFilePhase(
-    ::RemoveDuplicatedInlinedLocalClassesLowering,
+    { context ->
+        if (!context.irInlinerIsEnabled()) return@makeIrFilePhase FileLoweringPass.Empty
+        RemoveDuplicatedInlinedLocalClassesLowering(context)
+    },
     name = "RemoveDuplicatedInlinedLocalClasses",
     description = "Drop excess local classes that were copied by ir inliner",
     prerequisite = setOf(functionInliningPhase, localDeclarationsPhase)
@@ -39,7 +44,7 @@ data class Data(
 // There are three types of inlined local classes:
 // 1. MUST BE regenerated according to set of rules in AnonymousObjectTransformationInfo.
 // They all have `originalBeforeInline != null`.
-// 2. MUST NOT BE regenerated and MUST BE CREATED only once because they are copied from call site.
+// 2. MUST NOT BE regenerated and MUST BE CREATED only once because they are copied from call site, for example, from lambda.
 // This lambda will not exist after inline, so we copy declaration into new temporary inline call `singleArgumentInlineFunction`.
 // 3. MUST NOT BE created at all because will be created at callee site.
 // This lowering drops declarations that correspond to second and third type.
@@ -123,7 +128,7 @@ class RemoveDuplicatedInlinedLocalClassesLowering(val context: JvmBackendContext
 
     // Basically we want to remove all anonymous classes after inline. Exceptions are:
     // 1. classes that must be regenerated (declaration.originalBeforeInline != null)
-    // 2. classes that are originally declared on call site or are default lambdas (data == true)
+    // 2. classes that are originally declared on call site or are default lambdas (data.classDeclaredOnCallSiteOrIsDefaultLambda == false)
     override fun visitClass(declaration: IrClass, data: Data): IrStatement {
         if (!data.insideInlineBlock || declaration.originalBeforeInline != null || !data.classDeclaredOnCallSiteOrIsDefaultLambda) {
             return super.visitClass(declaration, data)
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/TypeAliasAnnotationMethodsLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/TypeAliasAnnotationMethodsLowering.kt
index 2e8bdb3395d..8ae6fda55c5 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/TypeAliasAnnotationMethodsLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/TypeAliasAnnotationMethodsLowering.kt
@@ -8,7 +8,6 @@ package org.jetbrains.kotlin.backend.jvm.lower
 import org.jetbrains.kotlin.backend.common.ClassLoweringPass
 import org.jetbrains.kotlin.backend.common.CommonBackendContext
 import org.jetbrains.kotlin.backend.common.phaser.makeIrFilePhase
-import org.jetbrains.kotlin.backend.common.phaser.makeIrModulePhase
 import org.jetbrains.kotlin.backend.jvm.JvmLoweredDeclarationOrigin
 import org.jetbrains.kotlin.descriptors.Modality
 import org.jetbrains.kotlin.ir.UNDEFINED_OFFSET
@@ -19,7 +18,7 @@ import org.jetbrains.kotlin.ir.expressions.impl.IrBlockBodyImpl
 import org.jetbrains.kotlin.load.java.JvmAbi
 import org.jetbrains.kotlin.name.Name
 
-internal val typeAliasAnnotationMethodsPhase = makeIrModulePhase(
+internal val typeAliasAnnotationMethodsPhase = makeIrFilePhase(
     ::TypeAliasAnnotationMethodsLowering,
     name = "TypeAliasAnnotationMethodsLowering",
     description = "Generate method stubs for type alias annotations"
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/VarargLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/VarargLowering.kt
index ceccf86202b..1c93f9ad0d3 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/VarargLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/VarargLowering.kt
@@ -7,7 +7,7 @@ package org.jetbrains.kotlin.backend.jvm.lower
 
 import org.jetbrains.kotlin.backend.common.FileLoweringPass
 import org.jetbrains.kotlin.backend.common.IrElementTransformerVoidWithContext
-import org.jetbrains.kotlin.backend.common.phaser.makeIrModulePhase
+import org.jetbrains.kotlin.backend.common.phaser.makeIrFilePhase
 import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
 import org.jetbrains.kotlin.backend.jvm.ir.IrArrayBuilder
 import org.jetbrains.kotlin.backend.jvm.ir.createJvmIrBuilder
@@ -26,7 +26,7 @@ import org.jetbrains.kotlin.ir.types.makeNotNull
 import org.jetbrains.kotlin.ir.util.*
 import org.jetbrains.kotlin.util.capitalizeDecapitalize.toLowerCaseAsciiOnly
 
-val varargPhase = makeIrModulePhase(
+val varargPhase = makeIrFilePhase(
     ::VarargLowering,
     name = "VarargLowering",
     description = "Replace varargs with array arguments and lower arrayOf and emptyArray calls",
diff --git a/compiler/testData/debug/stepping/kt42208.kt b/compiler/testData/debug/stepping/kt42208.kt
index f32f6f2d7fc..f2eb0688b5e 100644
--- a/compiler/testData/debug/stepping/kt42208.kt
+++ b/compiler/testData/debug/stepping/kt42208.kt
@@ -1,3 +1,4 @@
+// IGNORE_INLINER: IR
 // FILE: test.kt
 
 fun box() {
@@ -8,18 +9,18 @@ fun box() {
 inline fun foo() = {
 }
 // EXPECTATIONS JVM JVM_IR
-// test.kt:4 box
-// test1.kt:8 box
-// test1.kt:9 box
-// EXPECTATIONS JVM_IR
-// test.kt:4 box
-// test1.kt:9 invoke
-// test.kt:4 box
-// EXPECTATIONS JVM JVM_IR
 // test.kt:5 box
+// test1.kt:9 box
+// test1.kt:10 box
+// EXPECTATIONS JVM_IR
+// test.kt:5 box
+// test1.kt:10 invoke
+// test.kt:5 box
+// EXPECTATIONS JVM JVM_IR
+// test.kt:6 box
 
 // EXPECTATIONS JS_IR
-// test1.kt:9 box
-// test.kt:4 box
-// test1.kt:6 box$lambda
+// test1.kt:10 box
 // test.kt:5 box
+// test1.kt:7 box$lambda
+// test.kt:6 box
diff --git a/compiler/testData/debug/stepping/kt42208b.kt b/compiler/testData/debug/stepping/kt42208b.kt
index fca580b5c5d..5cb6617b40c 100644
--- a/compiler/testData/debug/stepping/kt42208b.kt
+++ b/compiler/testData/debug/stepping/kt42208b.kt
@@ -1,3 +1,4 @@
+// IGNORE_INLINER: IR
 // FILE: test.kt
 
 fun box() {
@@ -9,24 +10,24 @@ fun box() {
 inline fun foo() = {
 }
 // EXPECTATIONS JVM JVM_IR
-// test.kt:4 box
-// test1.kt:9 box
+// test.kt:5 box
 // test1.kt:10 box
+// test1.kt:11 box
 // EXPECTATIONS JVM_IR
-// test.kt:4 box
 // test.kt:5 box
-// test1.kt:10 invoke
-// test.kt:5 box
-// EXPECTATIONS JVM_IR
 // test.kt:6 box
+// test1.kt:11 invoke
+// test.kt:6 box
+// EXPECTATIONS JVM_IR
+// test.kt:7 box
 // EXPECTATIONS JVM
-// test.kt:4 box
 // test.kt:5 box
 // test.kt:6 box
+// test.kt:7 box
 
 // EXPECTATIONS JS_IR
-// test1.kt:10 box
-// test.kt:4 box
+// test1.kt:11 box
 // test.kt:5 box
-// test1.kt:7 box$lambda
 // test.kt:6 box
+// test1.kt:8 box$lambda
+// test.kt:7 box
diff --git a/compiler/testData/debug/stepping/kt42208c.kt b/compiler/testData/debug/stepping/kt42208c.kt
index 2f41d9d3171..95aff6b96f9 100644
--- a/compiler/testData/debug/stepping/kt42208c.kt
+++ b/compiler/testData/debug/stepping/kt42208c.kt
@@ -1,3 +1,4 @@
+// IGNORE_INLINER: IR
 // FILE: test.kt
 
 fun box() {
@@ -14,39 +15,39 @@ fun baz(v:(() -> Unit)) {
     v()
 }
 // EXPECTATIONS JVM JVM_IR
-// test.kt:4 box
-// test1.kt:10 box
+// test.kt:5 box
 // test1.kt:11 box
-// test.kt:4 box
-// test3.kt:14 baz
-// EXPECTATIONS JVM_IR
-// test1.kt:11 invoke
-// test3.kt:14 baz
-// EXPECTATIONS JVM JVM_IR
+// test1.kt:12 box
+// test.kt:5 box
 // test3.kt:15 baz
-// test.kt:5 box
-// test1.kt:10 box
-// test1.kt:11 box
-// test.kt:5 box
+// EXPECTATIONS JVM_IR
+// test1.kt:12 invoke
+// test3.kt:15 baz
+// EXPECTATIONS JVM JVM_IR
+// test3.kt:16 baz
+// test.kt:6 box
+// test1.kt:11 box
+// test1.kt:12 box
 // test.kt:6 box
-// EXPECTATIONS JVM_IR
-// test3.kt:14 baz
-// test1.kt:11 invoke
-// EXPECTATIONS JVM JVM_IR
-// test3.kt:14 baz
-// test3.kt:15 baz
 // test.kt:7 box
+// EXPECTATIONS JVM_IR
+// test3.kt:15 baz
+// test1.kt:12 invoke
+// EXPECTATIONS JVM JVM_IR
+// test3.kt:15 baz
+// test3.kt:16 baz
+// test.kt:8 box
 
 // EXPECTATIONS JS_IR
-// test1.kt:11 box
-// test.kt:4 box
-// test3.kt:14 baz
-// test1.kt:8 box$lambda
-// test3.kt:15 baz
-// test1.kt:11 box
+// test1.kt:12 box
 // test.kt:5 box
-// test.kt:6 box
-// test3.kt:14 baz
-// test1.kt:8 box$lambda
 // test3.kt:15 baz
+// test1.kt:9 box$lambda
+// test3.kt:16 baz
+// test1.kt:12 box
+// test.kt:6 box
 // test.kt:7 box
+// test3.kt:15 baz
+// test1.kt:9 box$lambda
+// test3.kt:16 baz
+// test.kt:8 box