rra/zhelenskiy/flattening_impl

[IR] Remove unused MFVC getters

Signed-off-by: Evgeniy.Zhelenskiy <Evgeniy.Zhelenskiy@jetbrains.com>

#KT-1179

[IR] Add context receivers test, fix a flattening fields bug

Signed-off-by: Evgeniy.Zhelenskiy <Evgeniy.Zhelenskiy@jetbrains.com>

#KT-1179

[IR] Support `try` for MFVC

#KT-1179

[IR] Support `if` and `when` for MFVC, fix several bugs, refactor

#KT-1179

[IR] Rename MFVC tests + Add test for get-field optimization

#KT-1179

[IR] Suppress temporary test failing on Android

Bug is fixed in https://jetbrains.team/p/kt/reviews/6452

#KT-1179

[IR] Document the new MFVC lowering classes when necessary

#KT-1179

[IR] Correct work of the new MFVC lowering classes

#KT-1179

[IR] Prepare MFVC-lowering for the new MFVC classes

#KT-1179

[IR] Fix MFVC with type arguments/parameters

#KT-1179

[IR] Support MFVC with type parameters

#KT-1179

[IR] Integrate MFVC with Inline classes

#KT-1179

[IR] Fix compilation of MFVC in different module

#KT-1179

[IR] Add MFVC generation tests

#KT-1179

[IR] Implement equals call correct generation for MFVC

#KT-1179

[IR] Implement bridges generation for MFVC

#KT-1179

[IR] Implement MFVC basic flattening

#KT-1179

Merge-request: KT-MR-6213
Merged-by: Evgeniy Zhelenskiy <Evgeniy.Zhelenskiy@jetbrains.com>

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/builders/ExpressionHelpers.kt

@@ -53,11 +53,13 @@ fun <T : IrElement> IrStatementsBuilder<T>.irTemporary(
     nameHint: String? = null,
     irType: IrType = value?.type!!, // either value or irType should be supplied at callsite
     isMutable: Boolean = false,
+    origin: IrDeclarationOrigin = IrDeclarationOrigin.IR_TEMPORARY_VARIABLE,
 ): IrVariable {
     val temporary = scope.createTemporaryVariableDeclaration(
         irType, nameHint, isMutable,
         startOffset = startOffset,
-        endOffset = endOffset
+        endOffset = endOffset,
+        origin = origin,
     )
     value?.let { temporary.initializer = it }
     +temporary

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrDeclarationOrigin.kt

@@ -43,6 +43,9 @@ interface IrDeclarationOrigin {
     object GENERATED_DATA_CLASS_MEMBER : IrDeclarationOriginImpl("GENERATED_DATA_CLASS_MEMBER")
     object GENERATED_SINGLE_FIELD_VALUE_CLASS_MEMBER : IrDeclarationOriginImpl("GENERATED_SINGLE_FIELD_VALUE_CLASS_MEMBER")
     object GENERATED_MULTI_FIELD_VALUE_CLASS_MEMBER : IrDeclarationOriginImpl("GENERATED_MULTI_FIELD_VALUE_CLASS_MEMBER")
+    object GENERATED_MULTI_FIELD_VALUE_CLASS_PARAMETER : IrDeclarationOriginImpl("GENERATED_MULTI_FIELD_VALUE_CLASS_PARAMETER")
+    object TEMPORARY_MULTI_FIELD_VALUE_CLASS_VARIABLE : IrDeclarationOriginImpl("TEMPORARY_MULTI_FIELD_VALUE_CLASS_VARIABLE")
+    object MULTI_FIELD_VALUE_CLASS_REPRESENTATION_VARIABLE : IrDeclarationOriginImpl("MULTI_FIELD_VALUE_CLASS_REPRESENTATION_VARIABLE")
     object LOCAL_FUNCTION : IrDeclarationOriginImpl("LOCAL_FUNCTION")
     object LOCAL_FUNCTION_FOR_LAMBDA : IrDeclarationOriginImpl("LOCAL_FUNCTION_FOR_LAMBDA")
     object CATCH_PARAMETER : IrDeclarationOriginImpl("CATCH_PARAMETER")

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DataClassMembersGenerator.kt

@@ -128,7 +128,7 @@ abstract class DataClassMembersGenerator(
         fun generateEqualsMethodBody(properties: List<IrProperty>) {
             val irType = irClass.defaultType
 
-            if (!irClass.isSingleFieldValueClass) {
+            if (!irClass.isValue) {
                 +irIfThenReturnTrue(irEqeqeq(irThis(), irOther()))
             }
             +irIfThenReturnFalse(irNotIs(irOther(), irType))