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backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/ContextUtils.kt

@@ -24,6 +24,11 @@ internal interface ContextUtils {
     val runtime: Runtime
         get() = context.runtime
 
+    /**
+     * Describes the target platform.
+     *
+     * TODO: using [llvmTargetData] usually results in generating non-portable bitcode.
+     */
     val llvmTargetData: LLVMTargetDataRef
         get() = runtime.targetData
 
@@ -155,7 +160,4 @@ internal interface ContextUtils {
 
     val FqName.localHash: LocalHash
         get() = this.toString().localHash
-
-    val pointerSize: Int
-        get() = LLVMPointerSize(llvmTargetData)
 }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/RTTIGenerator.kt

@@ -121,7 +121,7 @@ internal class RTTIGenerator(override val context: Context) : ContextUtils {
     }
 
     private val arrayClasses = mapOf(
-            "kotlin.Array"        to -pointerSize,
+            "kotlin.Array"        to -LLVMABISizeOfType(llvmTargetData, kObjHeaderPtr).toInt(),
             "kotlin.ByteArray"    to -1,
             "kotlin.CharArray"    to -2,
             "kotlin.ShortArray"   to -2,
@@ -136,7 +136,7 @@ internal class RTTIGenerator(override val context: Context) : ContextUtils {
     private fun getInstanceSize(classType: LLVMTypeRef?, className: FqName) : Int {
         val arraySize = arrayClasses.get(className.asString());
         if (arraySize != null) return arraySize;
-        return LLVMStoreSizeOfType(runtime.targetData, classType).toInt()
+        return LLVMStoreSizeOfType(llvmTargetData, classType).toInt()
     }
 
     fun generate(classDesc: ClassDescriptor) {
@@ -166,14 +166,14 @@ internal class RTTIGenerator(override val context: Context) : ContextUtils {
             }
         }
         // TODO: reuse offsets obtained for 'fields' below
-        val objOffsets = refFieldIndices.map { LLVMOffsetOfElement(runtime.targetData, classType, it) }
+        val objOffsets = refFieldIndices.map { LLVMOffsetOfElement(llvmTargetData, classType, it) }
         val objOffsetsPtr = staticData.placeGlobalConstArray("krefs:$className", int32Type,
                 objOffsets.map { Int32(it.toInt()) })
 
         val fields = classDesc.fields.mapIndexed { index, field ->
             // Note: using FQ name because a class may have multiple fields with the same name due to property overriding
             val nameSignature = field.fqNameSafe.localHash // FIXME: add signature
-            val fieldOffset = LLVMOffsetOfElement(runtime.targetData, classType, index)
+            val fieldOffset = LLVMOffsetOfElement(llvmTargetData, classType, index)
             FieldTableRecord(nameSignature, fieldOffset.toInt())
         }.sortedBy { it.nameSignature.value }
 

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/StaticData.kt

@@ -15,13 +15,17 @@ internal class StaticData(override val context: Context): ContextUtils {
         companion object {
             fun create(staticData: StaticData, type: LLVMTypeRef, name: String): Global {
                 val module = staticData.context.llvmModule
-                if (name != "" && LLVMGetNamedGlobal(module, name) != null) {
+
+                val isUnnamed = (name == "") // LLVM will select the unique index and represent the global as `@idx`.
+
+                if (!isUnnamed && LLVMGetNamedGlobal(module, name) != null) {
                     throw IllegalArgumentException("Global '$name' already exists")
                 }
 
                 val llvmGlobal = LLVMAddGlobal(module, type, name)!!
-
-                if (name == "") {
+                if (isUnnamed) {
+                    // Currently using unnamed globals may result in link errors due to symbol redefinition;
+                    // apply the workaround:
                     LLVMSetLinkage(llvmGlobal, LLVMLinkage.LLVMPrivateLinkage)
                 }
 

backend.native/tests/build.gradle

@@ -479,9 +479,15 @@ task array_list1(type: RunKonanTest) {
 
 task listof0(type: RunKonanTest) {
     goldValue = "abc\n[a, b, c, d]\n[n, s, a]\n"
+    arguments = ["a"]
     source = "runtime/collections/listof0.kt"
 }
 
+task listof1(type: RunKonanTest) {
+    goldValue = "true\n[a, b, c]\n"
+    source = "datagen/literals/listof1.kt"
+}
+
 
 task moderately_large_array(type: RunKonanTest) {
     goldValue = "0\n"

backend.native/tests/datagen/literals/listof1.kt

@@ -0,0 +1,9 @@
+fun main(args: Array<String>) {
+    val list = foo()
+    println(list === foo())
+    println(list.toString())
+}
+
+fun foo(): List<String> {
+    return listOf("a", "b", "c")
+}

backend.native/tests/runtime/collections/listof0.kt

@@ -1,10 +1,11 @@
 fun main(args : Array<String>) {
-    val list = arrayListOf("a", "b", "c")
+    val nonConstStr = args[0]
+    val list = arrayListOf(nonConstStr, "b", "c")
     for (element in list) print(element)
     println()
     list.add("d")
     println(list.toString())
 
-    val list2 = listOf("n", "s", "a")
+    val list2 = listOf("n", "s", nonConstStr)
     println(list2.toString())
 }