IR util: IrExpression.isSafeToUseWithoutCopying

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt

@@ -192,13 +192,6 @@ class CallAndReferenceGenerator(
         }
     }
 
-    // TODO: refactor/reuse the same logic in ReflectionReferencesGenerator
-    private fun IrExpression.isSafeToUseWithoutCopying() =
-        this is IrGetObjectValue ||
-                this is IrGetEnumValue ||
-                this is IrConst<*> ||
-                this is IrGetValue && symbol.isBound && symbol.owner.isImmutable
-
     private fun createAdapterFunction(
         callableReferenceAccess: FirCallableReferenceAccess,
         startOffset: Int,

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ReflectionReferencesGenerator.kt

@@ -33,10 +33,7 @@ import org.jetbrains.kotlin.ir.expressions.impl.*
 import org.jetbrains.kotlin.ir.symbols.IrConstructorSymbol
 import org.jetbrains.kotlin.ir.symbols.IrFunctionSymbol
 import org.jetbrains.kotlin.ir.symbols.IrVariableSymbol
-import org.jetbrains.kotlin.ir.util.isImmutable
-import org.jetbrains.kotlin.ir.util.referenceClassifier
-import org.jetbrains.kotlin.ir.util.referenceFunction
-import org.jetbrains.kotlin.ir.util.withScope
+import org.jetbrains.kotlin.ir.util.*
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.endOffset
@@ -235,12 +232,6 @@ class ReflectionReferencesGenerator(statementGenerator: StatementGenerator) : St
         return irCall
     }
 
-    private fun IrExpression.isSafeToUseWithoutCopying() =
-        this is IrGetObjectValue ||
-                this is IrGetEnumValue ||
-                this is IrConst<*> ||
-                this is IrGetValue && symbol.isBound && symbol.owner.isImmutable
-
     private fun putAdaptedValueArguments(
         startOffset: Int,
         endOffset: Int,

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/IrUtils.kt

@@ -608,4 +608,10 @@ val IrDeclaration.isFileClass: Boolean
     get() = origin == IrDeclarationOrigin.FILE_CLASS || origin == IrDeclarationOrigin.SYNTHETIC_FILE_CLASS
 
 val IrValueDeclaration.isImmutable: Boolean
-    get() = this is IrValueParameter || this is IrVariable && !isVar
+    get() = this is IrValueParameter || this is IrVariable && !isVar
+
+fun IrExpression.isSafeToUseWithoutCopying() =
+    this is IrGetObjectValue ||
+            this is IrGetEnumValue ||
+            this is IrConst<*> ||
+            this is IrGetValue && symbol.isBound && symbol.owner.isImmutable