[IR] Support user-defined equals for MFVC

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

#KT-1179

compiler/testData/codegen/box/inlineClasses/inlineClassBothEqualsOverride.kt

@@ -1,7 +1,10 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+// https://youtrack.jetbrains.com/issue/KT-52236/Different-modality-in-psi-and-fir
 // WITH_STDLIB
 // WORKS_WHEN_VALUE_CLASS
-// LANGUAGE: +ValueClasses, +CustomEqualsInInlineClasses
+// LANGUAGE: +ValueClasses, +CustomEqualsInValueClasses
 // TARGET_BACKEND: JVM_IR
+// CHECK_BYTECODE_LISTING
 
 
 interface I {
@@ -52,4 +55,4 @@ value class IC2(val y: Int) : I {
     }
 }
 
-fun box(): String = if (setOf(IC1(10), IC2(1)).size == 1) "OK" else "Fail"
+fun box(): String = if (setOf(IC1(10), IC2(1)).size == 1) "OK" else "Fail"

compiler/testData/codegen/box/inlineClasses/inlineClassBothEqualsOverride.txt

@@ -0,0 +1,55 @@
+@kotlin.Metadata
+public interface I {
+    // source: 'inlineClassBothEqualsOverride.kt'
+    public abstract method getVal(): int
+}
+
+@kotlin.jvm.JvmInline
+@kotlin.Metadata
+public final class IC1 {
+    // source: 'inlineClassBothEqualsOverride.kt'
+    private final field x: int
+    private synthetic method <init>(p0: int): void
+    public synthetic final static method box-impl(p0: int): IC1
+    public static method constructor-impl(p0: int): int
+    public method equals(@org.jetbrains.annotations.Nullable p0: java.lang.Object): boolean
+    public final static method equals-P1kVloU(p0: int, p1: int): boolean
+    public static method equals-impl(p0: int, @org.jetbrains.annotations.Nullable p1: java.lang.Object): boolean
+    public final static method equals-impl0(p0: int, p1: int): boolean
+    public method getVal(): int
+    public static method getVal-impl(p0: int): int
+    public final method getX(): int
+    public method hashCode(): int
+    public static method hashCode-impl(p0: int): int
+    public method toString(): java.lang.String
+    public static method toString-impl(p0: int): java.lang.String
+    public synthetic final method unbox-impl(): int
+}
+
+@kotlin.jvm.JvmInline
+@kotlin.Metadata
+public final class IC2 {
+    // source: 'inlineClassBothEqualsOverride.kt'
+    private final field y: int
+    private synthetic method <init>(p0: int): void
+    public synthetic final static method box-impl(p0: int): IC2
+    public static method constructor-impl(p0: int): int
+    public method equals(@org.jetbrains.annotations.Nullable p0: java.lang.Object): boolean
+    public final static method equals-ACFGG4I(p0: int, p1: int): boolean
+    public static method equals-impl(p0: int, @org.jetbrains.annotations.Nullable p1: java.lang.Object): boolean
+    public final static method equals-impl0(p0: int, p1: int): boolean
+    public method getVal(): int
+    public static method getVal-impl(p0: int): int
+    public final method getY(): int
+    public method hashCode(): int
+    public static method hashCode-impl(p0: int): int
+    public method toString(): java.lang.String
+    public static method toString-impl(p0: int): java.lang.String
+    public synthetic final method unbox-impl(): int
+}
+
+@kotlin.Metadata
+public final class InlineClassBothEqualsOverrideKt {
+    // source: 'inlineClassBothEqualsOverride.kt'
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+}

compiler/testData/codegen/box/inlineClasses/inlineClassEqualsConsistency.kt

@@ -1,7 +1,10 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+// https://youtrack.jetbrains.com/issue/KT-52236/Different-modality-in-psi-and-fir
 // WITH_STDLIB
 // WORKS_WHEN_VALUE_CLASS
-// LANGUAGE: +ValueClasses, +CustomEqualsInInlineClasses
+// LANGUAGE: +ValueClasses, +CustomEqualsInValueClasses
 // TARGET_BACKEND: JVM_IR
+// CHECK_BYTECODE_LISTING
 
 import java.lang.AssertionError
 import kotlin.math.abs
@@ -44,4 +47,4 @@ fun box(): String {
     if ((a2Typed == c2Typed) != (a2Untyped == c2Untyped)) return "Fail 4"
 
     return "OK"
-}
+}

compiler/testData/codegen/box/inlineClasses/inlineClassEqualsConsistency.txt

@@ -0,0 +1,44 @@
+@kotlin.jvm.JvmInline
+@kotlin.Metadata
+public final class IC1 {
+    // source: 'inlineClassEqualsConsistency.kt'
+    private final field x: double
+    private synthetic method <init>(p0: double): void
+    public synthetic final static method box-impl(p0: double): IC1
+    public static method constructor-impl(p0: double): double
+    public method equals(p0: java.lang.Object): boolean
+    public final static method equals-P1kVloU(p0: double, p1: double): boolean
+    public static method equals-impl(p0: double, p1: java.lang.Object): boolean
+    public final static method equals-impl0(p0: double, p1: double): boolean
+    public final method getX(): double
+    public method hashCode(): int
+    public static method hashCode-impl(p0: double): int
+    public method toString(): java.lang.String
+    public static method toString-impl(p0: double): java.lang.String
+    public synthetic final method unbox-impl(): double
+}
+
+@kotlin.jvm.JvmInline
+@kotlin.Metadata
+public final class IC2 {
+    // source: 'inlineClassEqualsConsistency.kt'
+    private final field x: int
+    private synthetic method <init>(p0: int): void
+    public synthetic final static method box-impl(p0: int): IC2
+    public static method constructor-impl(p0: int): int
+    public method equals(@org.jetbrains.annotations.Nullable p0: java.lang.Object): boolean
+    public static method equals-impl(p0: int, @org.jetbrains.annotations.Nullable p1: java.lang.Object): boolean
+    public final static method equals-impl0(p0: int, p1: int): boolean
+    public final method getX(): int
+    public method hashCode(): int
+    public static method hashCode-impl(p0: int): int
+    public method toString(): java.lang.String
+    public static method toString-impl(p0: int): java.lang.String
+    public synthetic final method unbox-impl(): int
+}
+
+@kotlin.Metadata
+public final class InlineClassEqualsConsistencyKt {
+    // source: 'inlineClassEqualsConsistency.kt'
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+}

compiler/testData/codegen/box/inlineClasses/inlineClassEqualsOverriddenForCollections.kt

@@ -1,7 +1,10 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+// https://youtrack.jetbrains.com/issue/KT-52236/Different-modality-in-psi-and-fir
 // WITH_STDLIB
 // WORKS_WHEN_VALUE_CLASS
-// LANGUAGE: +ValueClasses, +CustomEqualsInInlineClasses
+// LANGUAGE: +ValueClasses, +CustomEqualsInValueClasses
 // TARGET_BACKEND: JVM_IR
+// CHECK_BYTECODE_LISTING
 
 import kotlin.math.abs
 
@@ -19,4 +22,4 @@ value class IC(val x: Double) {
 fun box(): String {
     val set = setOf(IC(1.0), IC(1.5), IC(1.501))
     return if (set.size == 2) "OK" else "Fail"
-}
+}

compiler/testData/codegen/box/inlineClasses/inlineClassEqualsOverriddenForCollections.txt

@@ -0,0 +1,25 @@
+@kotlin.jvm.JvmInline
+@kotlin.Metadata
+public final class IC {
+    // source: 'inlineClassEqualsOverriddenForCollections.kt'
+    private final field x: double
+    private synthetic method <init>(p0: double): void
+    public synthetic final static method box-impl(p0: double): IC
+    public static method constructor-impl(p0: double): double
+    public method equals(p0: java.lang.Object): boolean
+    public final static method equals-K5cTq2M(p0: double, p1: double): boolean
+    public static method equals-impl(p0: double, p1: java.lang.Object): boolean
+    public final static method equals-impl0(p0: double, p1: double): boolean
+    public final method getX(): double
+    public method hashCode(): int
+    public static method hashCode-impl(p0: double): int
+    public method toString(): java.lang.String
+    public static method toString-impl(p0: double): java.lang.String
+    public synthetic final method unbox-impl(): double
+}
+
+@kotlin.Metadata
+public final class InlineClassEqualsOverriddenForCollectionsKt {
+    // source: 'inlineClassEqualsOverriddenForCollections.kt'
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+}

compiler/testData/codegen/box/inlineClasses/inlineClassEqualsOverride.kt

@@ -1,6 +1,8 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+// https://youtrack.jetbrains.com/issue/KT-52236/Different-modality-in-psi-and-fir
 // WITH_STDLIB
 // WORKS_WHEN_VALUE_CLASS
-// LANGUAGE: +ValueClasses, +CustomEqualsInInlineClasses
+// LANGUAGE: +ValueClasses, +CustomEqualsInValueClasses
 // TARGET_BACKEND: JVM_IR
 // CHECK_BYTECODE_LISTING
 
@@ -93,4 +95,4 @@ fun box() = when {
 
 
     else -> "OK"
-}
+}

compiler/testData/codegen/box/inlineClasses/inlineClassHashCodeOverride.kt

@@ -1,6 +1,9 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+// https://youtrack.jetbrains.com/issue/KT-52236/Different-modality-in-psi-and-fir
 // WITH_STDLIB
 // WORKS_WHEN_VALUE_CLASS
-// LANGUAGE: +ValueClasses, +CustomEqualsInInlineClasses
+// LANGUAGE: +ValueClasses, +CustomEqualsInValueClasses
+// CHECK_BYTECODE_LISTING
 
 OPTIONAL_JVM_INLINE_ANNOTATION
 value class A(val value: MyClass) {
@@ -11,4 +14,4 @@ class MyClass() {
     override fun hashCode() = -1
 }
 
-fun box(): String = if (A(MyClass()).hashCode() == 42) "OK" else "Fail"
+fun box(): String = if (A(MyClass()).hashCode() == 42) "OK" else "Fail"

compiler/testData/codegen/box/inlineClasses/inlineClassHashCodeOverride.txt

@@ -0,0 +1,31 @@
+@kotlin.jvm.JvmInline
+@kotlin.Metadata
+public final class A {
+    // source: 'inlineClassHashCodeOverride.kt'
+    private final @org.jetbrains.annotations.NotNull field value: MyClass
+    private synthetic method <init>(p0: MyClass): void
+    public synthetic final static method box-impl(p0: MyClass): A
+    public static @org.jetbrains.annotations.NotNull method constructor-impl(@org.jetbrains.annotations.NotNull p0: MyClass): MyClass
+    public method equals(p0: java.lang.Object): boolean
+    public static method equals-impl(p0: MyClass, p1: java.lang.Object): boolean
+    public final static method equals-impl0(p0: MyClass, p1: MyClass): boolean
+    public final @org.jetbrains.annotations.NotNull method getValue(): MyClass
+    public method hashCode(): int
+    public static method hashCode-impl(p0: MyClass): int
+    public method toString(): java.lang.String
+    public static method toString-impl(p0: MyClass): java.lang.String
+    public synthetic final method unbox-impl(): MyClass
+}
+
+@kotlin.Metadata
+public final class InlineClassHashCodeOverrideKt {
+    // source: 'inlineClassHashCodeOverride.kt'
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+}
+
+@kotlin.Metadata
+public final class MyClass {
+    // source: 'inlineClassHashCodeOverride.kt'
+    public method <init>(): void
+    public method hashCode(): int
+}

compiler/testData/codegen/box/inlineClasses/inlineClassTypedEqualsGenerics.kt

@@ -1,12 +1,13 @@
 // WITH_STDLIB
 // WORKS_WHEN_VALUE_CLASS
-// LANGUAGE: +ValueClasses, +CustomEqualsInInlineClasses
+// LANGUAGE: +ValueClasses, +CustomEqualsInValueClasses
 // TARGET_BACKEND: JVM_IR
+// CHECK_BYTECODE_LISTING
 
 OPTIONAL_JVM_INLINE_ANNOTATION
 value class IC1<T : Number>(val x: T) {
     fun equals(other: Int) = false
-    operator fun equals(other: IC1<*>) = true
+    fun equals(other: IC1<*>) = true
 }
 
 class Generic<T, R>(val x: T, val y: R)
@@ -14,19 +15,19 @@ class Generic<T, R>(val x: T, val y: R)
 OPTIONAL_JVM_INLINE_ANNOTATION
 value class IC2<T, R>(val value: Generic<T, R>) {
     fun equals(other: IC1<Double>) = false
-    operator fun equals(other: IC2<*, *>) = true
+    fun equals(other: IC2<*, *>) = true
 }
 
 OPTIONAL_JVM_INLINE_ANNOTATION
 value class IC3<T>(val value: T) {
     fun equals(other: Int) = false
-    operator fun equals(other: IC3<*>) = true
+    fun equals(other: IC3<*>) = true
 }
 
 OPTIONAL_JVM_INLINE_ANNOTATION
 value class IC4<T>(val value: T) {
     fun equals(other: String) = false
-    operator fun equals(other: IC4<*>) = true
+    fun equals(other: IC4<*>) = true
 }
 
 
@@ -52,4 +53,4 @@ fun box() = when {
     (IC4("aba") as Any) != (IC4("caba") as Any) -> "Fail 4.4"
 
     else -> "OK"
-}
+}

compiler/testData/codegen/box/inlineClasses/inlineClassTypedEqualsGenerics.txt

@@ -0,0 +1,99 @@
+@kotlin.Metadata
+public final class Generic {
+    // source: 'inlineClassTypedEqualsGenerics.kt'
+    private final field x: java.lang.Object
+    private final field y: java.lang.Object
+    public method <init>(p0: java.lang.Object, p1: java.lang.Object): void
+    public final method getX(): java.lang.Object
+    public final method getY(): java.lang.Object
+}
+
+@kotlin.jvm.JvmInline
+@kotlin.Metadata
+public final class IC1 {
+    // source: 'inlineClassTypedEqualsGenerics.kt'
+    private final @org.jetbrains.annotations.NotNull field x: java.lang.Number
+    private synthetic method <init>(p0: java.lang.Number): void
+    public synthetic final static method box-impl(p0: java.lang.Number): IC1
+    public static @org.jetbrains.annotations.NotNull method constructor-impl(@org.jetbrains.annotations.NotNull p0: java.lang.Number): java.lang.Number
+    public method equals(p0: java.lang.Object): boolean
+    public final static method equals-P1kVloU(p0: java.lang.Number, @org.jetbrains.annotations.NotNull p1: java.lang.Number): boolean
+    public final static method equals-impl(p0: java.lang.Number, p1: int): boolean
+    public static method equals-impl(p0: java.lang.Number, p1: java.lang.Object): boolean
+    public final static method equals-impl0(p0: java.lang.Number, p1: java.lang.Number): boolean
+    public final @org.jetbrains.annotations.NotNull method getX(): java.lang.Number
+    public method hashCode(): int
+    public static method hashCode-impl(p0: java.lang.Number): int
+    public method toString(): java.lang.String
+    public static method toString-impl(p0: java.lang.Number): java.lang.String
+    public synthetic final method unbox-impl(): java.lang.Number
+}
+
+@kotlin.jvm.JvmInline
+@kotlin.Metadata
+public final class IC2 {
+    // source: 'inlineClassTypedEqualsGenerics.kt'
+    private final @org.jetbrains.annotations.NotNull field value: Generic
+    private synthetic method <init>(p0: Generic): void
+    public synthetic final static method box-impl(p0: Generic): IC2
+    public static @org.jetbrains.annotations.NotNull method constructor-impl(@org.jetbrains.annotations.NotNull p0: Generic): Generic
+    public method equals(p0: java.lang.Object): boolean
+    public final static method equals-ACFGG4I(p0: Generic, @org.jetbrains.annotations.NotNull p1: Generic): boolean
+    public final static method equals-P1kVloU(p0: Generic, @org.jetbrains.annotations.NotNull p1: java.lang.Number): boolean
+    public static method equals-impl(p0: Generic, p1: java.lang.Object): boolean
+    public final static method equals-impl0(p0: Generic, p1: Generic): boolean
+    public final @org.jetbrains.annotations.NotNull method getValue(): Generic
+    public method hashCode(): int
+    public static method hashCode-impl(p0: Generic): int
+    public method toString(): java.lang.String
+    public static method toString-impl(p0: Generic): java.lang.String
+    public synthetic final method unbox-impl(): Generic
+}
+
+@kotlin.jvm.JvmInline
+@kotlin.Metadata
+public final class IC3 {
+    // source: 'inlineClassTypedEqualsGenerics.kt'
+    private final field value: java.lang.Object
+    private synthetic method <init>(p0: java.lang.Object): void
+    public synthetic final static method box-impl(p0: java.lang.Object): IC3
+    public static @org.jetbrains.annotations.NotNull method constructor-impl(p0: java.lang.Object): java.lang.Object
+    public method equals(p0: java.lang.Object): boolean
+    public final static method equals-L6TIGmY(p0: java.lang.Object, @org.jetbrains.annotations.NotNull p1: java.lang.Object): boolean
+    public final static method equals-impl(p0: java.lang.Object, p1: int): boolean
+    public static method equals-impl(p0: java.lang.Object, p1: java.lang.Object): boolean
+    public final static method equals-impl0(p0: java.lang.Object, p1: java.lang.Object): boolean
+    public final method getValue(): java.lang.Object
+    public method hashCode(): int
+    public static method hashCode-impl(p0: java.lang.Object): int
+    public method toString(): java.lang.String
+    public static method toString-impl(p0: java.lang.Object): java.lang.String
+    public synthetic final method unbox-impl(): java.lang.Object
+}
+
+@kotlin.jvm.JvmInline
+@kotlin.Metadata
+public final class IC4 {
+    // source: 'inlineClassTypedEqualsGenerics.kt'
+    private final field value: java.lang.Object
+    private synthetic method <init>(p0: java.lang.Object): void
+    public synthetic final static method box-impl(p0: java.lang.Object): IC4
+    public static @org.jetbrains.annotations.NotNull method constructor-impl(p0: java.lang.Object): java.lang.Object
+    public method equals(p0: java.lang.Object): boolean
+    public final static method equals-hxZMMoI(p0: java.lang.Object, @org.jetbrains.annotations.NotNull p1: java.lang.Object): boolean
+    public final static method equals-impl(p0: java.lang.Object, @org.jetbrains.annotations.NotNull p1: java.lang.String): boolean
+    public static method equals-impl(p0: java.lang.Object, p1: java.lang.Object): boolean
+    public final static method equals-impl0(p0: java.lang.Object, p1: java.lang.Object): boolean
+    public final method getValue(): java.lang.Object
+    public method hashCode(): int
+    public static method hashCode-impl(p0: java.lang.Object): int
+    public method toString(): java.lang.String
+    public static method toString-impl(p0: java.lang.Object): java.lang.String
+    public synthetic final method unbox-impl(): java.lang.Object
+}
+
+@kotlin.Metadata
+public final class InlineClassTypedEqualsGenericsKt {
+    // source: 'inlineClassTypedEqualsGenerics.kt'
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+}

compiler/testData/codegen/box/inlineClasses/inlineClassUntypedEqualsOverriden.kt

@@ -1,7 +1,10 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+// https://youtrack.jetbrains.com/issue/KT-52236/Different-modality-in-psi-and-fir
 // WITH_STDLIB
 // WORKS_WHEN_VALUE_CLASS
-// LANGUAGE: +ValueClasses, +CustomEqualsInInlineClasses
+// LANGUAGE: +ValueClasses, +CustomEqualsInValueClasses
 // TARGET_BACKEND: JVM_IR
+// CHECK_BYTECODE_LISTING
 
 import kotlin.math.abs
 
@@ -24,4 +27,4 @@ fun box(): String {
     if (IC(1) != IC(2)) return "Fail 3"
     if (IC(1) == IC(5)) return "Fail 4"
     return "OK"
-}
+}

compiler/testData/codegen/box/inlineClasses/inlineClassUntypedEqualsOverriden.txt

@@ -0,0 +1,24 @@
+@kotlin.jvm.JvmInline
+@kotlin.Metadata
+public final class IC {
+    // source: 'inlineClassUntypedEqualsOverriden.kt'
+    private final field x: int
+    private synthetic method <init>(p0: int): void
+    public synthetic final static method box-impl(p0: int): IC
+    public static method constructor-impl(p0: int): int
+    public method equals(@org.jetbrains.annotations.Nullable p0: java.lang.Object): boolean
+    public static method equals-impl(p0: int, @org.jetbrains.annotations.Nullable p1: java.lang.Object): boolean
+    public final static method equals-impl0(p0: int, p1: int): boolean
+    public final method getX(): int
+    public method hashCode(): int
+    public static method hashCode-impl(p0: int): int
+    public method toString(): java.lang.String
+    public static method toString-impl(p0: int): java.lang.String
+    public synthetic final method unbox-impl(): int
+}
+
+@kotlin.Metadata
+public final class InlineClassUntypedEqualsOverridenKt {
+    // source: 'inlineClassUntypedEqualsOverriden.kt'
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+}

compiler/testData/codegen/box/inlineClasses/inlineOverInlineWithCustomEquals.kt

@@ -1,6 +1,6 @@
 // WITH_STDLIB
 // WORKS_WHEN_VALUE_CLASS
-// LANGUAGE: +ValueClasses, +CustomEqualsInInlineClasses
+// LANGUAGE: +ValueClasses, +CustomEqualsInValueClasses
 // TARGET_BACKEND: JVM_IR
 
 

compiler/testData/codegen/box/inlineClasses/kt54536.kt

@@ -1,6 +1,6 @@
 // WITH_STDLIB
 // WORKS_WHEN_VALUE_CLASS
-// LANGUAGE: +ValueClasses, +CustomEqualsInInlineClasses
+// LANGUAGE: +ValueClasses, +CustomEqualsInValueClasses
 // TARGET_BACKEND: JVM_IR
 
 OPTIONAL_JVM_INLINE_ANNOTATION

compiler/testData/codegen/box/inlineClasses/kt54603.kt

@@ -1,6 +1,6 @@
 // WITH_STDLIB
 // WORKS_WHEN_VALUE_CLASS
-// LANGUAGE: +ValueClasses, +CustomEqualsInInlineClasses
+// LANGUAGE: +ValueClasses, +CustomEqualsInValueClasses
 // TARGET_BACKEND: JVM_IR
 
 class A(x: Int)