[K/N][codegen] Refactored getting types from runtime

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

@@ -456,8 +456,6 @@ internal class Llvm(val context: Context, val llvmModule: LLVMModuleRef) : Runti
 
     private fun importRtFunction(name: String) = importFunction(name, runtime.llvmModule)
 
-    private fun importRtGlobal(name: String) = importGlobal(name, runtime.llvmModule)
-
     val allocInstanceFunction = importRtFunction("AllocInstance")
     val allocArrayFunction = importRtFunction("AllocArrayInstance")
     val initThreadLocalSingleton = importRtFunction("InitThreadLocalSingleton")

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

@@ -19,9 +19,9 @@ class Runtime(bitcodeFile: String) {
     val calculatedLLVMTypes: MutableMap<IrType, LLVMTypeRef> = HashMap()
     val addedLLVMExternalFunctions: MutableMap<IrFunction, LlvmCallable> = HashMap()
 
-    internal fun getStructTypeOrNull(name: String) = LLVMGetTypeByName(llvmModule, "struct.$name")
-    internal fun getStructType(name: String) = getStructTypeOrNull(name)
-            ?: throw Error("struct.$name is not found in the Runtime module.")
+    private fun getStructTypeOrNull(name: String) = LLVMGetTypeByName(llvmModule, "struct.$name")
+    private fun getStructType(name: String) = getStructTypeOrNull(name)
+            ?: error("struct.$name is not found in the Runtime module.")
 
     val typeInfoType = getStructType("TypeInfo")
     val extendedTypeInfoType = getStructType("ExtendedTypeInfo")
@@ -50,6 +50,19 @@ class Runtime(bitcodeFile: String) {
     val kotlinToObjCMethodAdapter by lazy { getStructType("KotlinToObjCMethodAdapter") }
     val typeInfoObjCExportAddition by lazy { getStructType("TypeInfoObjCExportAddition") }
 
+    val objCClassObjectType by lazy { getStructType("_class_t") }
+    val objCCache by lazy { getStructType("_objc_cache") }
+    val objCClassRoType by lazy { getStructType("_class_ro_t") }
+    val objCMethodType by lazy { getStructType("_objc_method") }
+    val objCMethodListType by lazy { getStructType("__method_list_t") }
+    val objCProtocolListType by lazy { getStructType("_objc_protocol_list") }
+    val objCIVarListType by lazy { getStructType("_ivar_list_t") }
+    val objCPropListType by lazy { getStructType("_prop_list_t") }
+
+    val kRefSharedHolderType by lazy { LLVMGetTypeByName(llvmModule, "class.KRefSharedHolder")!! }
+    val blockLiteralType by lazy { getStructType("Block_literal_1") }
+    val blockDescriptorType by lazy { getStructType("Block_descriptor_1") }
+
     val pointerSize: Int by lazy {
         LLVMABISizeOfType(targetData, objHeaderPtrType).toInt()
     }

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/objc/ObjCDataGenerator.kt

@@ -57,7 +57,7 @@ internal class ObjCDataGenerator(val codegen: CodeGenerator) {
         global.pointer.bitcast(pointerType(int8TypePtr))
     }
 
-    val classObjectType = codegen.runtime.getStructType("_class_t")
+    private val classObjectType = codegen.runtime.objCClassObjectType
 
     fun exportClass(name: String) {
         context.llvm.usedGlobals += getClassGlobal(name, isMetaclass = false).llvm
@@ -83,7 +83,7 @@ internal class ObjCDataGenerator(val codegen: CodeGenerator) {
     private val emptyCache = constPointer(
             codegen.importGlobal(
                     "_objc_empty_cache",
-                    codegen.runtime.getStructType("_objc_cache"),
+                    codegen.runtime.objCCache,
                     CurrentKlibModuleOrigin
             )
     )
@@ -96,14 +96,13 @@ internal class ObjCDataGenerator(val codegen: CodeGenerator) {
 
     fun emitClass(name: String, superName: String, instanceMethods: List<Method>) {
         val runtime = context.llvm.runtime
-        fun struct(name: String) = runtime.getStructType(name)
 
-        val classRoType = struct("_class_ro_t")
-        val methodType = struct("_objc_method")
-        val methodListType = struct("__method_list_t")
-        val protocolListType = struct("_objc_protocol_list")
-        val ivarListType = struct("_ivar_list_t")
-        val propListType = struct("_prop_list_t")
+        val classRoType = runtime.objCClassRoType
+        val methodType = runtime.objCMethodType
+        val methodListType = runtime.objCMethodListType
+        val protocolListType = runtime.objCProtocolListType
+        val ivarListType = runtime.objCIVarListType
+        val propListType = runtime.objCPropListType
 
         val classNameLiteral = classNames.get(name)
 

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/objcexport/BlockPointerSupport.kt

@@ -123,8 +123,7 @@ private fun FunctionGenerationContext.loadBlockInvoke(
         blockPtr: LLVMValueRef,
         bridge: BlockPointerBridge
 ): LLVMValueRef {
-    val blockLiteralType = codegen.runtime.getStructType("Block_literal_1")
-    val invokePtr = structGep(bitcast(pointerType(blockLiteralType), blockPtr), 3)
+    val invokePtr = structGep(bitcast(pointerType(codegen.runtime.blockLiteralType), blockPtr), 3)
 
     return bitcast(pointerType(bridge.blockType.blockInvokeLlvmType.llvmFunctionType), load(invokePtr))
 }
@@ -157,15 +156,12 @@ private val BlockPointerBridge.nameSuffix: String
     get() = numberOfParameters.toString() + if (returnsVoid) "V" else ""
 
 internal class BlockGenerator(private val codegen: CodeGenerator) {
-    private val kRefSharedHolderType = LLVMGetTypeByName(codegen.runtime.llvmModule, "class.KRefSharedHolder")!!
 
     private val blockLiteralType = structType(
-            codegen.runtime.getStructType("Block_literal_1"),
-            kRefSharedHolderType
+            codegen.runtime.blockLiteralType,
+            codegen.runtime.kRefSharedHolderType
     )
 
-    private val blockDescriptorType = codegen.runtime.getStructType("Block_descriptor_1")
-
     val disposeHelper = generateFunction(
             codegen,
             functionType(voidType, false, int8TypePtr),
@@ -234,7 +230,7 @@ internal class BlockGenerator(private val codegen: CodeGenerator) {
             }
         }
 
-        return Struct(blockDescriptorType,
+        return Struct(codegen.runtime.blockDescriptorType,
                 codegen.context.LongInt(0L),
                 codegen.context.LongInt(LLVMStoreSizeOfType(codegen.runtime.targetData, blockLiteralType)),
                 constPointer(copyHelper),