Minor: refactor ApiVersionIsAtLeastEvaluationLowering
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/ApiVersionIsAtLeastEvaluationLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/ApiVersionIsAtLeastEvaluationLowering.kt
index c2a0e06..7d923d2 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/ApiVersionIsAtLeastEvaluationLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/ApiVersionIsAtLeastEvaluationLowering.kt
@@ -22,7 +22,7 @@
 import org.jetbrains.kotlin.ir.expressions.IrInlinedFunctionBlock
 import org.jetbrains.kotlin.ir.types.isInt
 import org.jetbrains.kotlin.ir.util.getPackageFragment
-import org.jetbrains.kotlin.ir.util.isFacadeClass
+import org.jetbrains.kotlin.ir.util.isTopLevelInPackage
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformer
 
 internal class ApiVersionIsAtLeastEvaluationLowering(val context: JvmBackendContext) : FileLoweringPass,
@@ -73,9 +73,7 @@
 
     private val IrFunction.isApiVersionIsAtLeast: Boolean
         get() {
-            return name.asString() == "apiVersionIsAtLeast"
-                    && getPackageFragment().packageFqName == StandardNames.KOTLIN_INTERNAL_FQ_NAME
-                    && parent.isFacadeClass
+            return isTopLevelInPackage("apiVersionIsAtLeast", StandardNames.KOTLIN_INTERNAL_FQ_NAME)
                     && valueParameters.size == 3
                     && valueParameters[0].type.isInt()
                     && valueParameters[1].type.isInt()