[K/N] Untie DependenciesTracker from NativeGenerationState

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

@@ -52,6 +52,8 @@ interface DependenciesTracker {
     val nativeDependenciesToLink: List<KonanLibrary>
     val allNativeDependencies: List<KonanLibrary>
     val bitcodeToLink: List<KonanLibrary>
+
+    fun collectResult(): DependenciesTrackingResult
 }
 
 private sealed class FileOrigin {
@@ -66,12 +68,13 @@ private sealed class FileOrigin {
     class CertainFile(val library: KotlinLibrary, val fqName: String, val filePath: String) : FileOrigin()
 }
 
-internal class DependenciesTrackerImpl(private val generationState: NativeGenerationState) : DependenciesTracker {
+internal class DependenciesTrackerImpl(
+        private val llvmModuleSpecification: LlvmModuleSpecification,
+        private val config: KonanConfig,
+        private val context: Context,
+) : DependenciesTracker {
     private data class LibraryFile(val library: KotlinLibrary, val fqName: String, val filePath: String)
 
-    private val config = generationState.config
-    private val context = generationState.context
-
     private val usedBitcode = mutableSetOf<KotlinLibrary>()
     private val usedNativeDependencies = mutableSetOf<KotlinLibrary>()
     private val usedBitcodeOfFile = mutableSetOf<LibraryFile>()
@@ -297,11 +300,11 @@ internal class DependenciesTrackerImpl(private val generationState: NativeGenera
         val bitcodeToLink = topSortedLibraries.filter { shouldContainBitcode(it) }
 
         private fun shouldContainBitcode(library: KonanLibrary): Boolean {
-            if (!generationState.llvmModuleSpecification.containsLibrary(library)) {
+            if (!llvmModuleSpecification.containsLibrary(library)) {
                 return false
             }
 
-            if (!generationState.llvmModuleSpecification.isFinal) {
+            if (!llvmModuleSpecification.isFinal) {
                 return true
             }
 
@@ -322,6 +325,12 @@ internal class DependenciesTrackerImpl(private val generationState: NativeGenera
     override val nativeDependenciesToLink get() = dependencies.nativeDependenciesToLink
     override val allNativeDependencies get() = dependencies.allNativeDependencies
     override val bitcodeToLink get() = dependencies.bitcodeToLink
+
+    override fun collectResult(): DependenciesTrackingResult = DependenciesTrackingResult(
+            bitcodeToLink,
+            allNativeDependencies,
+            allCachedBitcodeDependencies,
+    )
 }
 
 internal object DependenciesSerializer {

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

@@ -86,7 +86,7 @@ internal class NativeGenerationState(
 
     val producedLlvmModuleContainsStdlib get() = llvmModuleSpecification.containsModule(context.stdlibModule)
 
-    val dependenciesTracker: DependenciesTracker = DependenciesTrackerImpl(this)
+    val dependenciesTracker: DependenciesTracker = DependenciesTrackerImpl(llvmModuleSpecification, config, context)
 
     private val runtimeDelegate = lazy { Runtime(llvmContext, config.distribution.compilerInterface(config.target)) }
     private val llvmDelegate = lazy { Llvm(this, LLVMModuleCreateWithNameInContext("out", llvmContext)!!) }

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/driver/phases/TopLevelPhases.kt

@@ -142,11 +142,7 @@ internal fun PhaseEngine<NativeGenerationState>.compileModule(module: IrModuleFr
     // TODO: Currently, all llvm modules are named as "out" which might lead to collisions.
     val bitcodeFile = context.tempFiles.create(context.llvm.module.getName(), ".bc").javaFile()
     runPhase(WriteBitcodeFilePhase, WriteBitcodeFileInput(context.llvm.module, bitcodeFile))
-    val dependenciesTrackingResult = DependenciesTrackingResult(
+    val dependenciesTrackingResult = context.dependenciesTracker.collectResult()
-            context.dependenciesTracker.bitcodeToLink,
-            context.dependenciesTracker.allNativeDependencies,
-            context.dependenciesTracker.allCachedBitcodeDependencies,
-    )
     return ModuleCompilationOutput(bitcodeFile, dependenciesTrackingResult, context.tempFiles, context.outputFiles)
 }