From cb39221f8560d4156fd747b3def4e0940007cfe2 Mon Sep 17 00:00:00 2001
From: Mikhail Glukhikh <Mikhail.Glukhikh@jetbrains.com>
Date: Mon, 31 Oct 2022 09:51:30 +0100
Subject: [PATCH] FIR2IR: drop unused code with annotation placeholder

---
 .../generators/CallAndReferenceGenerator.kt   |  9 +-------
 ...erencePlaceholderForResolvedAnnotations.kt | 22 -------------------
 2 files changed, 1 insertion(+), 30 deletions(-)
 delete mode 100644 compiler/fir/tree/src/org/jetbrains/kotlin/fir/references/impl/FirReferencePlaceholderForResolvedAnnotations.kt

diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt
index 3992922afd9..880ee4a5e00 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt
@@ -18,7 +18,6 @@ import org.jetbrains.kotlin.fir.references.FirReference
 import org.jetbrains.kotlin.fir.references.FirResolvedNamedReference
 import org.jetbrains.kotlin.fir.references.FirSuperReference
 import org.jetbrains.kotlin.fir.references.builder.buildResolvedNamedReference
-import org.jetbrains.kotlin.fir.references.impl.FirReferencePlaceholderForResolvedAnnotations
 import org.jetbrains.kotlin.fir.resolve.calls.FirSyntheticFunctionSymbol
 import org.jetbrains.kotlin.fir.resolve.fullyExpandedType
 import org.jetbrains.kotlin.fir.resolve.substitution.ConeSubstitutor
@@ -765,13 +764,7 @@ class CallAndReferenceGenerator(
             is FirAnnotationCall -> call.calleeReference
             else -> null
         }
-        val function = if (calleeReference == FirReferencePlaceholderForResolvedAnnotations) {
-            val coneClassLikeType = (call as FirAnnotation).annotationTypeRef.coneTypeSafe<ConeClassLikeType>()
-            val firClass = (coneClassLikeType?.lookupTag?.toSymbol(session) as? FirRegularClassSymbol)?.fir
-            firClass?.declarations?.filterIsInstance<FirConstructor>()?.firstOrNull()
-        } else {
-            ((calleeReference as? FirResolvedNamedReference)?.resolvedSymbol as? FirFunctionSymbol<*>)?.fir
-        }
+        val function = ((calleeReference as? FirResolvedNamedReference)?.resolvedSymbol as? FirFunctionSymbol<*>)?.fir
         val valueParameters = function?.valueParameters
         val argumentMapping = call.resolvedArgumentMapping
         val substitutor = (call as? FirFunctionCall)?.buildSubstitutorByCalledFunction(function) ?: ConeSubstitutor.Empty
diff --git a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/references/impl/FirReferencePlaceholderForResolvedAnnotations.kt b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/references/impl/FirReferencePlaceholderForResolvedAnnotations.kt
deleted file mode 100644
index 5a20f0cfe7e..00000000000
--- a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/references/impl/FirReferencePlaceholderForResolvedAnnotations.kt
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
-package org.jetbrains.kotlin.fir.references.impl
-
-import org.jetbrains.kotlin.KtSourceElement
-import org.jetbrains.kotlin.fir.references.FirReference
-import org.jetbrains.kotlin.fir.visitors.FirTransformer
-import org.jetbrains.kotlin.fir.visitors.FirVisitor
-
-object FirReferencePlaceholderForResolvedAnnotations : FirReference() {
-    override val source: KtSourceElement?
-        get() = null
-
-    override fun <R, D> acceptChildren(visitor: FirVisitor<R, D>, data: D) {}
-
-    override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirReference {
-        return this
-    }
-}
\ No newline at end of file