[FIR2IR] Introduce & use FirBuiltInsPackageFragment

Without this commit, JVM name mapping logic in BE does not work for FIR,
because FIR cannot use old BuiltInsPackageFragmentImpl descriptor.
In this commit we add our own implementation thus fixing
a pack of FIR black box tests.

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt

@@ -6,6 +6,7 @@
 package org.jetbrains.kotlin.fir.backend
 
 import org.jetbrains.kotlin.KtNodeTypes
+import org.jetbrains.kotlin.builtins.KotlinBuiltIns.*
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.descriptors.Modality
 import org.jetbrains.kotlin.descriptors.SourceElement
@@ -14,6 +15,7 @@ import org.jetbrains.kotlin.descriptors.annotations.Annotations
 import org.jetbrains.kotlin.fir.declarations.*
 import org.jetbrains.kotlin.fir.declarations.impl.FirDefaultPropertyGetter
 import org.jetbrains.kotlin.fir.declarations.impl.FirDefaultPropertySetter
+import org.jetbrains.kotlin.fir.descriptors.FirBuiltInsPackageFragment
 import org.jetbrains.kotlin.fir.descriptors.FirModuleDescriptor
 import org.jetbrains.kotlin.fir.descriptors.FirPackageFragmentDescriptor
 import org.jetbrains.kotlin.fir.expressions.impl.FirExpressionStub
@@ -54,6 +56,8 @@ class Fir2IrDeclarationStorage(
 
     private val fragmentCache = mutableMapOf<FqName, IrExternalPackageFragment>()
 
+    private val builtInsFragmentCache = mutableMapOf<FqName, IrExternalPackageFragment>()
+
     private val fileCache = mutableMapOf<FirFile, IrFile>()
 
     private val functionCache = mutableMapOf<FirFunction<*>, IrSimpleFunction>()
@@ -110,9 +114,19 @@ class Fir2IrDeclarationStorage(
     private fun ConeKotlinType.toIrType(typeContext: ConversionTypeContext = ConversionTypeContext.DEFAULT): IrType =
         with(typeConverter) { toIrType(typeContext) }
 
+    private fun getIrExternalOrBuiltInsPackageFragment(fqName: FqName): IrExternalPackageFragment {
+        val isBuiltIn = fqName in BUILT_INS_PACKAGE_FQ_NAMES
+        return if (isBuiltIn) getIrBuiltInsPackageFragment(fqName) else getIrExternalPackageFragment(fqName)
+    }
+
+    private fun getIrBuiltInsPackageFragment(fqName: FqName): IrExternalPackageFragment {
+        return builtInsFragmentCache.getOrPut(fqName) {
+            return symbolTable.declareExternalPackageFragment(FirBuiltInsPackageFragment(fqName, moduleDescriptor))
+        }
+    }
+
     private fun getIrExternalPackageFragment(fqName: FqName): IrExternalPackageFragment {
         return fragmentCache.getOrPut(fqName) {
-            // TODO: module descriptor is wrong here
             return symbolTable.declareExternalPackageFragment(FirPackageFragmentDescriptor(fqName, moduleDescriptor))
         }
     }
@@ -187,10 +201,12 @@ class Fir2IrDeclarationStorage(
                 else -> throw AssertionError("Unexpected: $firBasedSymbol")
             }
 
-            if (containerFile != null) {
+            when {
-                fileCache[containerFile]
+                containerFile != null -> fileCache[containerFile]
-            } else {
+                firBasedSymbol is FirCallableSymbol -> getIrExternalPackageFragment(packageFqName)
-                getIrExternalPackageFragment(packageFqName)
+                // TODO: All classes from BUILT_INS_PACKAGE_FQ_NAMES are considered built-ins now,
+                // which is not exact and can lead to some problems
+                else -> getIrExternalOrBuiltInsPackageFragment(packageFqName)
             }
         }
     }

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/descriptors/FirBuiltInsPackageFragment.kt

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.fir.descriptors
+
+import org.jetbrains.kotlin.builtins.BuiltInsPackageFragment
+import org.jetbrains.kotlin.descriptors.ModuleDescriptor
+import org.jetbrains.kotlin.name.FqName
+
+class FirBuiltInsPackageFragment(
+    fqName: FqName,
+    moduleDescriptor: ModuleDescriptor
+) : FirPackageFragmentDescriptor(fqName, moduleDescriptor), BuiltInsPackageFragment {
+    override val isFallback: Boolean
+        get() = false
+}

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/descriptors/FirPackageFragmentDescriptor.kt

@@ -11,7 +11,7 @@ import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.scopes.MemberScope
 
-class FirPackageFragmentDescriptor(override val fqName: FqName, val moduleDescriptor: ModuleDescriptor) : PackageFragmentDescriptor {
+open class FirPackageFragmentDescriptor(override val fqName: FqName, val moduleDescriptor: ModuleDescriptor) : PackageFragmentDescriptor {
     override fun getContainingDeclaration(): ModuleDescriptor {
         return moduleDescriptor
     }

compiler/testData/codegen/box/annotations/nestedClassesInAnnotations.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +NestedClassesInAnnotations
-// IGNORE_BACKEND_FIR: JVM_IR
 // IGNORE_BACKEND: NATIVE
 
 annotation class Foo(val kind: Kind) {

compiler/testData/codegen/box/callableReference/property/enumNameOrdinal.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class E {
     I
 }

compiler/testData/codegen/box/classes/kt343.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 fun launch(f : () -> Unit) {
     f()

compiler/testData/codegen/box/classes/overloadBinaryOperator.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 class ArrayWrapper<T>() {
     val contents = ArrayList<T>()

compiler/testData/codegen/box/classes/overloadPlusAssign.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 class ArrayWrapper<T>() {
     val contents = ArrayList<T>()

compiler/testData/codegen/box/classes/overloadPlusAssignReturn.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 class ArrayWrapper<T>() {
     val contents = ArrayList<T>()

compiler/testData/codegen/box/classes/overloadPlusToPlusAssign.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 class ArrayWrapper<T>() {
     val contents = ArrayList<T>()

compiler/testData/codegen/box/controlStructures/tryCatchInExpressions/tryCatchAfterWhileTrue.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // WITH_RUNTIME
 fun box(): String {

compiler/testData/codegen/box/enum/enumCompanionInit.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: NATIVE
 var result = ""

compiler/testData/codegen/box/enum/ordinal.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class State {
   _0,
   _1,

compiler/testData/codegen/box/enum/whenInObject.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class E {
     OK, NOT_OK
 }

compiler/testData/codegen/box/extensionFunctions/kt865.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 class Template() {
     val collected = ArrayList<String>()

compiler/testData/codegen/box/extensionFunctions/simple.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 fun StringBuilder.first() = this.get(0)
 

compiler/testData/codegen/box/extensionFunctions/whenFail.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // IGNORE_BACKEND: JS_IR
 // TODO: muted automatically, investigate should it be ran for JS or not
 // IGNORE_BACKEND: JS

compiler/testData/codegen/box/fullJdk/charBuffer.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 
 // FULL_JDK

compiler/testData/codegen/box/ir/enumClass.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 //WITH_RUNTIME
 
 import kotlin.test.assertEquals

compiler/testData/codegen/box/jdk/arrayList.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 
 fun box(): String {

compiler/testData/codegen/box/objects/kt1186.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class Color(val rgb : Int) {
     RED(0xFF0000),
     GREEN(0x00FF00),

compiler/testData/codegen/box/objects/kt694.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class Test {
     A,
     B,

compiler/testData/codegen/box/ranges/expression/inexactSteppedDownTo.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/expression/inexactSteppedRange.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/expression/oneElementDownTo.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/expression/oneElementRange.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/expression/openRange.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/expression/reversedBackSequence.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/expression/reversedInexactSteppedDownTo.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/expression/reversedRange.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/expression/reversedSimpleSteppedRange.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/expression/simpleDownTo.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/expression/simpleRange.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/expression/simpleRangeWithNonConstantEnds.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/expression/simpleSteppedDownTo.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/expression/simpleSteppedRange.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/literal/oneElementDownTo.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/literal/oneElementRange.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/literal/openRange.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/literal/reversedBackSequence.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/literal/reversedRange.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/literal/simpleDownTo.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/literal/simpleRange.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/ranges/literal/simpleRangeWithNonConstantEnds.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // Auto-generated by org.jetbrains.kotlin.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
 // WITH_RUNTIME

compiler/testData/codegen/box/reflection/builtins/collections.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 // WITH_REFLECT
 // FULL_JDK

compiler/testData/codegen/box/regressions/generic.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // WITH_RUNTIME
 

compiler/testData/codegen/box/regressions/kt6434.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // IGNORE_BACKEND: JS_IR
 // TODO: muted automatically, investigate should it be ran for JS or not
 // IGNORE_BACKEND: JS, NATIVE

compiler/testData/codegen/box/regressions/kt789.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 package foo
 

compiler/testData/codegen/box/specialBuiltins/commonBridgesTarget.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // IGNORE_BACKEND: NATIVE
 

compiler/testData/codegen/box/specialBuiltins/explicitSuperCall.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // IGNORE_BACKEND: NATIVE
 

compiler/testData/codegen/box/specialBuiltins/valuesInsideEnum.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class Variants {
     O, K;
     companion object {

compiler/testData/codegen/box/strings/kt5389_stringBuilderGet.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 fun box(): String {
     val sb = StringBuilder("OK")

compiler/testData/codegen/box/typealias/enumEntryQualifier.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class MyEnum {
     O;
     companion object {

compiler/testData/codegen/box/when/enumOptimization/bigEnum.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 // CHECK_CASES_COUNT: function=bar1 count=6
 // CHECK_IF_COUNT: function=bar1 count=0

compiler/testData/codegen/box/when/enumOptimization/differentEnumClasses.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -ProhibitComparisonOfIncompatibleEnums
-// IGNORE_BACKEND_FIR: JVM_IR
 
 enum class A {
     O, K

compiler/testData/codegen/box/when/enumOptimization/differentEnumClasses2.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -ProhibitComparisonOfIncompatibleEnums
-// IGNORE_BACKEND_FIR: JVM_IR
 
 enum class A {
     OK

compiler/testData/codegen/box/when/enumOptimization/duplicatingItems.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 // CHECK_CASES_COUNT: function=bar count=3
 // CHECK_IF_COUNT: function=bar count=0

compiler/testData/codegen/box/when/enumOptimization/enumInsideClassObject.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 // CHECK_CASES_COUNT: function=foo count=3
 // CHECK_IF_COUNT: function=foo count=0

compiler/testData/codegen/box/when/enumOptimization/expression.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 // CHECK_CASES_COUNT: function=bar1 count=3
 // CHECK_IF_COUNT: function=bar1 count=0

compiler/testData/codegen/box/when/enumOptimization/functionLiteralInTopLevel.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // CHECK_CASES_COUNT: function=box$lambda count=0
 // CHECK_IF_COUNT: function=box$lambda count=1
 

compiler/testData/codegen/box/when/enumOptimization/kt14597.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // CHECK_CASES_COUNT: function=box count=6
 // CHECK_IF_COUNT: function=box count=1
 

compiler/testData/codegen/box/when/enumOptimization/kt14597_full.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // CHECK_CASES_COUNT: function=box count=18
 // CHECK_IF_COUNT: function=box count=3
 

compiler/testData/codegen/box/when/enumOptimization/kt15806.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // CHECK_CASES_COUNT: function=doTheThing count=2
 // CHECK_IF_COUNT: function=doTheThing count=2
 

compiler/testData/codegen/box/when/enumOptimization/manyWhensWithinClass.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 // CHECK_CASES_COUNT: function=bar1_u51tkt$ count=3
 // CHECK_IF_COUNT: function=bar1_u51tkt$ count=0

compiler/testData/codegen/box/when/enumOptimization/nullIsTheFirstEntry.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class E {
     A, B;
 }

compiler/testData/codegen/box/when/enumOptimization/nullability.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 // CHECK_CASES_COUNT: function=foo1 count=0
 // CHECK_IF_COUNT: function=foo1 count=2

compiler/testData/codegen/box/when/enumOptimization/withoutElse.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 // CHECK_CASES_COUNT: function=bar1 count=3
 // CHECK_IF_COUNT: function=bar1 count=0

compiler/testData/codegen/box/when/exhaustiveBreakContinue.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class Color { RED, GREEN, BLUE }
 
 fun foo(arr: Array<Color>): Color {

compiler/testData/codegen/box/when/exhaustiveWhenInitialization.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class A { V }
 
 fun box(): String {

compiler/testData/codegen/box/when/exhaustiveWhenReturn.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class A { V }
 
 fun box(): String {

compiler/testData/codegen/box/when/noElseExhaustive.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class En {
     A,
     B

compiler/testData/codegen/box/when/noElseExhaustiveStatement.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class En {
     A,
     B

compiler/testData/codegen/box/when/noElseExhaustiveUnitExpected.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class En {
     A,
     B

compiler/testData/codegen/box/when/whenSubjectVariable/kt27161.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class Test {
     A, B, OTHER
 }

compiler/testData/codegen/box/when/whenSubjectVariable/kt27161_nested.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class Test {
     A, B, OTHER
 }

compiler/testData/codegen/box/when/whenSubjectVariable/kt27161_nested2.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 enum class Test {
     A, B, OTHER
 }

compiler/testData/codegen/box/when/whenSubjectVariable/whenByEnum.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +VariableDeclarationInWhenSubject
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 
 import kotlin.test.assertEquals

compiler/testData/codegen/box/when/whenSubjectVariable/whenByNullableEnum.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +VariableDeclarationInWhenSubject
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 
 import kotlin.test.assertEquals

compiler/tests/org/jetbrains/kotlin/generators/tests/GenerateRangesCodegenTestData.java

@@ -71,6 +71,18 @@ public class GenerateRangesCodegenTestData {
     private static final Map<String, String> ELEMENT_TYPE_KNOWN_SUBSTRINGS = new HashMap<>();
     private static final Map<String, String> MIN_MAX_CONSTANTS = new LinkedHashMap<>();
 
+    private static final List<String> FIR_PASSING_LITERAL_TESTS =
+            Arrays.asList("emptyDownto", "emptyRange", "oneElementDownTo", "oneElementRange", "openRange",
+                          "reversedBackSequence", "reversedEmptyBackSequence", "reversedEmptyRange",
+                          "reversedRange", "simpleDownTo", "simpleRange", "simpleRangeWithNonConstantEnds");
+    private static final List<String> FIR_PASSING_EXPRESSION_TESTS =
+            Arrays.asList("emptyDownto", "emptyRange", "inexactSteppedDownTo", "inexactSteppedRange",
+                          "oneElementDownTo", "oneElementRange", "openRange",
+                          "reversedBackSequence", "reversedEmptyBackSequence", "reversedEmptyRange",
+                          "reversedInexactSteppedDownTo", "reversedRange", "reversedSimpleSteppedRange",
+                          "simpleDownTo", "simpleRange", "simpleRangeWithNonConstantEnds",
+                          "simpleSteppedDownTo", "simpleSteppedRange");
+
     static {
         for (String integerType : INTEGER_PRIMITIVES) {
             String suffix = integerType.substring(0, integerType.startsWith("U") ? 2 : 1);
@@ -227,11 +239,8 @@ public class GenerateRangesCodegenTestData {
                     }
 
                     String fileName = testFunName + ".kt";
-                    boolean useFrontendIR =
+                    writeToFile(new File(AS_LITERAL_DIR, fileName), asLiteralBody.toString(), false, !FIR_PASSING_LITERAL_TESTS.contains(testFunName));
-                            testFunName.equals("emptyDownto") || testFunName.equals("emptyRange") ||
+                    writeToFile(new File(AS_EXPRESSION_DIR, fileName), asExpressionBody.toString(), false, !FIR_PASSING_EXPRESSION_TESTS.contains(testFunName));
-                            testFunName.equals("reversedEmptyRange") || testFunName.equals("reversedEmptyBackSequence");
-                    writeToFile(new File(AS_LITERAL_DIR, fileName), asLiteralBody.toString(), false, !useFrontendIR);
-                    writeToFile(new File(AS_EXPRESSION_DIR, fileName), asExpressionBody.toString(), false, !useFrontendIR);
                     writeToFile(new File(UNSIGNED_AS_LITERAL_DIR, fileName), unsignedAsLiteralBody.toString(), true, true);
                     writeToFile(new File(UNSIGNED_AS_EXPRESSION_DIR, fileName), unsignedAsExpressionBody.toString(), true, true);
                 }