diff --git a/plugins/kapt3/kapt3-compiler/test/org/jetbrains/kotlin/kapt3/test/integration/AbstractKotlinKapt3IntegrationTestBase.kt b/plugins/kapt3/kapt3-compiler/test/org/jetbrains/kotlin/kapt3/test/integration/AbstractKotlinKapt3IntegrationTestBase.kt
index 7b417a3a13f..32a1a803941 100644
--- a/plugins/kapt3/kapt3-compiler/test/org/jetbrains/kotlin/kapt3/test/integration/AbstractKotlinKapt3IntegrationTestBase.kt
+++ b/plugins/kapt3/kapt3-compiler/test/org/jetbrains/kotlin/kapt3/test/integration/AbstractKotlinKapt3IntegrationTestBase.kt
@@ -26,6 +26,8 @@ import javax.tools.Diagnostic
 
 class KotlinKapt3IntegrationTest(testInfo: TestInfo) : AbstractKotlinKapt3IntegrationTestBase(testInfo, TargetBackend.JVM)
 
+class IrKotlinKapt3IntegrationTest(testInfo: TestInfo) : AbstractKotlinKapt3IntegrationTestBase(testInfo, TargetBackend.JVM_IR)
+
 abstract class AbstractKotlinKapt3IntegrationTestBase(private val testInfo: TestInfo, private val targetBackend: TargetBackend) {
     private companion object {
         val TEST_DATA_DIR = File("plugins/kapt3/kapt3-compiler/testData/kotlinRunner")
diff --git a/plugins/kapt3/kapt3-compiler/testData/kotlinRunner/DefaultParameterValues.it_ir.txt b/plugins/kapt3/kapt3-compiler/testData/kotlinRunner/DefaultParameterValues.it_ir.txt
new file mode 100644
index 00000000000..f9d84bfc6dc
--- /dev/null
+++ b/plugins/kapt3/kapt3-compiler/testData/kotlinRunner/DefaultParameterValues.it_ir.txt
@@ -0,0 +1,42 @@
+package error;
+
+public final class NonExistentClass {
+}
+
+////////////////////
+
+package test;
+
+import java.lang.System;
+
+@kotlin.Metadata()
+@java.lang.annotation.Retention(value = java.lang.annotation.RetentionPolicy.RUNTIME)
+public abstract @interface Anno {
+}
+
+////////////////////
+
+package test;
+
+import java.lang.System;
+
+@kotlin.Metadata()
+@Anno()
+public final class User {
+    @org.jetbrains.annotations.NotNull()
+    private final java.lang.String name = "John";
+
+    public User(@org.jetbrains.annotations.NotNull()
+    java.lang.String name, int age) {
+        super();
+    }
+
+    @org.jetbrains.annotations.NotNull()
+    public final java.lang.String getName() {
+        return null;
+    }
+
+    public User() {
+        super();
+    }
+}
diff --git a/plugins/kapt3/kapt3-compiler/testData/kotlinRunner/NestedClasses.it_ir.txt b/plugins/kapt3/kapt3-compiler/testData/kotlinRunner/NestedClasses.it_ir.txt
new file mode 100644
index 00000000000..53e0f61a833
--- /dev/null
+++ b/plugins/kapt3/kapt3-compiler/testData/kotlinRunner/NestedClasses.it_ir.txt
@@ -0,0 +1,67 @@
+package error;
+
+public final class NonExistentClass {
+}
+
+////////////////////
+
+package test;
+
+import java.lang.System;
+
+@kotlin.Metadata()
+@java.lang.annotation.Retention(value = java.lang.annotation.RetentionPolicy.RUNTIME)
+public abstract @interface MyAnnotation {
+}
+
+////////////////////
+
+package test;
+
+import java.lang.System;
+
+@kotlin.Metadata()
+public final class Simple {
+    @org.jetbrains.annotations.NotNull()
+    public static final test.Simple.Companion Companion = null;
+
+    public Simple() {
+        super();
+    }
+
+    @MyAnnotation()
+    public final void myMethod() {
+    }
+
+    @kotlin.Metadata()
+    public static final class Companion {
+
+        private Companion() {
+            super();
+        }
+    }
+
+    @kotlin.Metadata()
+    public static final class NestedClass {
+
+        public NestedClass() {
+            super();
+        }
+
+        @kotlin.Metadata()
+        public static final class NestedNestedClass {
+
+            public NestedNestedClass() {
+                super();
+            }
+        }
+    }
+
+    @kotlin.Metadata()
+    public final class InnerClass {
+
+        public InnerClass() {
+            super();
+        }
+    }
+}
diff --git a/plugins/kapt3/kapt3-compiler/testData/kotlinRunner/Overloads.it_ir.txt b/plugins/kapt3/kapt3-compiler/testData/kotlinRunner/Overloads.it_ir.txt
new file mode 100644
index 00000000000..77f14fa0a70
--- /dev/null
+++ b/plugins/kapt3/kapt3-compiler/testData/kotlinRunner/Overloads.it_ir.txt
@@ -0,0 +1,54 @@
+package error;
+
+public final class NonExistentClass {
+}
+
+////////////////////
+
+package test;
+
+import java.lang.System;
+
+@kotlin.Metadata()
+@java.lang.annotation.Retention(value = java.lang.annotation.RetentionPolicy.RUNTIME)
+public abstract @interface MyAnnotation {
+}
+
+////////////////////
+
+package test;
+
+import java.lang.System;
+
+@kotlin.Metadata()
+@MyAnnotation()
+public final class State {
+    private final int someInt = 0;
+    private final long someLong = 0L;
+    @org.jetbrains.annotations.NotNull()
+    private final java.lang.String someString = null;
+
+    @kotlin.jvm.JvmOverloads()
+    public State(int someInt, long someLong, @org.jetbrains.annotations.NotNull()
+    java.lang.String someString) {
+        super();
+    }
+
+    public final int getSomeInt() {
+        return 0;
+    }
+
+    public final long getSomeLong() {
+        return 0L;
+    }
+
+    @org.jetbrains.annotations.NotNull()
+    public final java.lang.String getSomeString() {
+        return null;
+    }
+
+    @kotlin.jvm.JvmOverloads()
+    public State(int someInt, long someLong) {
+        super();
+    }
+}
diff --git a/plugins/kapt3/kapt3-compiler/testData/kotlinRunner/Simple.it_ir.txt b/plugins/kapt3/kapt3-compiler/testData/kotlinRunner/Simple.it_ir.txt
index 7ff32081aef..17714bec103 100644
--- a/plugins/kapt3/kapt3-compiler/testData/kotlinRunner/Simple.it_ir.txt
+++ b/plugins/kapt3/kapt3-compiler/testData/kotlinRunner/Simple.it_ir.txt
@@ -36,12 +36,8 @@ package test;
 import java.lang.System;
 
 @kotlin.Metadata()
-public enum EnumClass {
-    /*public static final*/ BLACK /* = new BLACK() */,
-    /*public static final*/ WHITE /* = new WHITE() */;
-
-    EnumClass() {
-    }
+@java.lang.annotation.Retention(value = java.lang.annotation.RetentionPolicy.RUNTIME)
+public abstract @interface MyAnnotation {
 }
 
 ////////////////////
@@ -51,8 +47,12 @@ package test;
 import java.lang.System;
 
 @kotlin.Metadata()
-@java.lang.annotation.Retention(value = java.lang.annotation.RetentionPolicy.RUNTIME)
-public abstract @interface MyAnnotation {
+public enum EnumClass {
+    /*public static final*/ BLACK /* = new BLACK() */,
+    /*public static final*/ WHITE /* = new WHITE() */;
+
+    EnumClass() {
+    }
 }
 
 ////////////////////