From ab41017e5854783a82e35a209c59e75a35b16edd Mon Sep 17 00:00:00 2001
From: Svyatoslav Scherbina <svyatoslav.scherbina@jetbrains.com>
Date: Thu, 13 Jul 2017 09:55:48 +0300
Subject: [PATCH] Cache deserialized inline function bodies

---
 .../kotlin/backend/konan/serialization/SerializerVisitor.kt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/SerializerVisitor.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/SerializerVisitor.kt
index f0021862c27..76dd259ef5d 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/SerializerVisitor.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/SerializerVisitor.kt
@@ -28,7 +28,9 @@ import org.jetbrains.kotlin.backend.konan.KonanPhase
 
 internal class DeserializerDriver(val context: Context) {
 
-    internal fun deserializeInlineBody(descriptor: FunctionDescriptor): IrDeclaration? {
+    private val cache = mutableMapOf<FunctionDescriptor, IrDeclaration?>()
+
+    internal fun deserializeInlineBody(descriptor: FunctionDescriptor): IrDeclaration? = cache.getOrPut(descriptor) {
         if (!descriptor.needsSerializedIr) return null
         if (!descriptor.isDeserializableCallable) return null
 
@@ -45,7 +47,7 @@ internal class DeserializerDriver(val context: Context) {
                 if (context.phase!!.verbose) e.printStackTrace()
             }
         }
-        return deserializedIr
+        deserializedIr
     }
 
     internal fun dumpAllInlineBodies() {