Cache calculated LLVMRefs for IrType and external functions

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

@@ -164,8 +164,9 @@ internal interface ContextUtils : RuntimeAware {
             assert(this.isReal)
 
             return if (isExternal(this)) {
-                context.llvm.externalFunction(this.symbolName, getLlvmFunctionType(this),
-                        origin = this.llvmSymbolOrigin)
+                runtime.addedLLVMExternalFunctions.getOrPut(this) { context.llvm.externalFunction(this.symbolName, getLlvmFunctionType(this),
+                        origin = this.llvmSymbolOrigin) }
+
             } else {
                 context.llvmDeclarations.forFunctionOrNull(this)?.llvmFunction
             }

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

@@ -28,7 +28,7 @@ private fun RuntimeAware.getLlvmType(primitiveBinaryType: PrimitiveBinaryType?)
 }
 
 internal fun RuntimeAware.getLLVMType(type: IrType): LLVMTypeRef =
-        getLlvmType(type.computePrimitiveBinaryTypeOrNull())
+        runtime.calculatedLLVMTypes.getOrPut(type) { getLlvmType(type.computePrimitiveBinaryTypeOrNull()) }
 
 internal fun RuntimeAware.getLLVMType(type: DataFlowIR.Type) =
         getLlvmType(type.primitiveBinaryType)

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

@@ -7,6 +7,8 @@ package org.jetbrains.kotlin.backend.konan.llvm
 
 import kotlinx.cinterop.*
 import llvm.*
+import org.jetbrains.kotlin.ir.types.IrType
+import org.jetbrains.kotlin.ir.declarations.IrFunction
 
 interface RuntimeAware {
     val runtime: Runtime
@@ -14,6 +16,8 @@ interface RuntimeAware {
 
 class Runtime(bitcodeFile: String) {
     val llvmModule: LLVMModuleRef = parseBitcodeFile(bitcodeFile)
+    val calculatedLLVMTypes: MutableMap<IrType, LLVMTypeRef> = HashMap()
+    val addedLLVMExternalFunctions: MutableMap<IrFunction, LLVMValueRef> = HashMap()
 
     internal fun getStructTypeOrNull(name: String) = LLVMGetTypeByName(llvmModule, "struct.$name")
     internal fun getStructType(name: String) = getStructTypeOrNull(name)