translator: add operators ==, !=, ===, !== for classes

translator/src/main/kotlin/org/kotlinnative/translator/BlockCodegen.kt

@@ -746,11 +746,14 @@ abstract class BlockCodegen(val state: TranslationState, val variableManager: Va
             KtTokens.LTEQ -> firstOp.type!!.operatorLeq(firstNativeOp, secondNativeOp)
             KtTokens.GTEQ -> firstOp.type!!.operatorGeq(firstNativeOp, secondNativeOp)
             KtTokens.EQEQ ->
-                if (firstOp.type is LLVMReferenceType)
+                if ((firstOp.type is LLVMReferenceType) && (secondOp.type !is LLVMReferenceType))
                     firstOp.type!!.operatorEq(firstNativeOp, secondOp)
                 else
                     firstOp.type!!.operatorEq(firstNativeOp, secondNativeOp)
+            KtTokens.EQEQEQ ->
+                firstOp.type!!.operatorEq(firstNativeOp, secondNativeOp)
             KtTokens.EXCLEQ -> firstOp.type!!.operatorNeq(firstNativeOp, secondNativeOp)
+            KtTokens.EXCLEQEQEQ -> firstOp.type!!.operatorNeq(firstNativeOp, secondNativeOp)
             KtTokens.EQ -> {
                 if (secondOp.type is LLVMNullType) {
                     val result = codeBuilder.getNewVariable(firstOp.type!!, firstOp.pointer)

translator/src/test/kotlin/tests/input/referential_equality_1.txt

@@ -0,0 +1,8 @@
+referential_equality_1_EQEQ_true() == 1
+referential_equality_1_EQEQ_false() == 0
+referential_equality_1_EQEQEQ_true() == 1
+referential_equality_1_EQEQEQ_false() == 0
+referential_equality_1_EXCLEQEQ_true() == 1
+referential_equality_1_EXCLEQEQ_false() == 0
+referential_equality_1_EXCLEQEQEQ_true() == 1
+referential_equality_1_EXCLEQEQEQ_false() == 0

translator/src/test/kotlin/tests/kotlin/referential_equality_1.kt

@@ -0,0 +1,54 @@
+class referential_equality_1
+
+fun referential_equality_1_EQEQ_true(): Int {
+    val instance = referential_equality_1()
+    var instance2 = referential_equality_1()
+    instance2 = instance
+    //problem with boolean in auto generated functions in clang
+    return if (instance == instance2) 1 else 0
+}
+
+fun referential_equality_1_EQEQ_false(): Int {
+    val instance = referential_equality_1()
+    val instance2 = referential_equality_1()
+    return if (instance == instance2) 1 else 0
+}
+
+fun referential_equality_1_EQEQEQ_true(): Int {
+    val instance = referential_equality_1()
+    var instance2 = referential_equality_1()
+    instance2 = instance
+    return if (instance === instance2) 1 else 0
+}
+
+fun referential_equality_1_EQEQEQ_false(): Int {
+    val instance = referential_equality_1()
+    val instance2 = referential_equality_1()
+    return if (instance === instance2) 1 else 0
+}
+
+fun referential_equality_1_EXCLEQEQ_false(): Int {
+    val instance = referential_equality_1()
+    var instance2 = referential_equality_1()
+    instance2 = instance
+    return if (instance != instance2) 1 else 0
+}
+
+fun referential_equality_1_EXCLEQEQ_true(): Int {
+    val instance = referential_equality_1()
+    val instance2 = referential_equality_1()
+    return if (instance != instance2) 1 else 0
+}
+
+fun referential_equality_1_EXCLEQEQEQ_false(): Int {
+    val instance = referential_equality_1()
+    var instance2 = referential_equality_1()
+    instance2 = instance
+    return if (instance !== instance2) 1 else 0
+}
+
+fun referential_equality_1_EXCLEQEQEQ_true(): Int {
+    val instance = referential_equality_1()
+    val instance2 = referential_equality_1()
+    return if (instance !== instance2) 1 else 0
+}