Move IrCompileTimeChecker to separate checker package

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/evaluate/IrConstTransformer.kt

@@ -13,9 +13,9 @@ import org.jetbrains.kotlin.ir.declarations.IrDeclarationBase
 import org.jetbrains.kotlin.ir.descriptors.IrBuiltIns
 import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.ir.expressions.impl.IrVarargImpl
-import org.jetbrains.kotlin.ir.interpreter.EvaluationMode
-import org.jetbrains.kotlin.ir.interpreter.IrCompileTimeChecker
 import org.jetbrains.kotlin.ir.interpreter.IrInterpreter
+import org.jetbrains.kotlin.ir.interpreter.checker.EvaluationMode
+import org.jetbrains.kotlin.ir.interpreter.checker.IrCompileTimeChecker
 import org.jetbrains.kotlin.ir.interpreter.toIrConst
 import org.jetbrains.kotlin.ir.types.*
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid

compiler/ir/ir.interpreter/src/org/jetbrains/kotlin/ir/interpreter/checker/EvaluationMode.kt

@@ -0,0 +1,10 @@
+/*
+ * 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.ir.interpreter.checker
+
+enum class EvaluationMode {
+    FULL, ONLY_BUILTINS
+}

compiler/ir/ir.interpreter/src/org/jetbrains/kotlin/ir/interpreter/checker/IrCompileTimeChecker.kt

@@ -3,7 +3,7 @@
  * 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.ir.interpreter
+package org.jetbrains.kotlin.ir.interpreter.checker
 
 import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.IrStatement
@@ -12,15 +12,13 @@ import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.ir.interpreter.builtins.compileTimeAnnotation
 import org.jetbrains.kotlin.ir.interpreter.builtins.contractsDslAnnotation
 import org.jetbrains.kotlin.ir.interpreter.builtins.evaluateIntrinsicAnnotation
+import org.jetbrains.kotlin.ir.interpreter.hasAnnotation
+import org.jetbrains.kotlin.ir.interpreter.isUnsigned
 import org.jetbrains.kotlin.ir.types.*
 import org.jetbrains.kotlin.ir.util.*
 import org.jetbrains.kotlin.ir.visitors.IrElementVisitor
 import org.jetbrains.kotlin.name.FqName
 
-enum class EvaluationMode {
-    FULL, ONLY_BUILTINS
-}
-
 class IrCompileTimeChecker(
     containingDeclaration: IrElement? = null, private val mode: EvaluationMode = EvaluationMode.FULL
 ) : IrElementVisitor<Boolean, Nothing?> {