[IR] Move some of extensions from FunctionInlining into IrInlineUtils

#KT-64806

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/IrInlineUtils.kt

@@ -8,7 +8,6 @@ package org.jetbrains.kotlin.backend.common.ir
 import org.jetbrains.kotlin.backend.common.lower.LoweredStatementOrigins.INLINED_FUNCTION_ARGUMENTS
 import org.jetbrains.kotlin.backend.common.lower.LoweredStatementOrigins.INLINED_FUNCTION_DEFAULT_ARGUMENTS
 import org.jetbrains.kotlin.backend.common.lower.VariableRemapper
-import org.jetbrains.kotlin.backend.common.lower.inline.isAdaptedFunctionReference
 import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.IrStatement
 import org.jetbrains.kotlin.ir.UNDEFINED_OFFSET

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/LocalDeclarationsLowering.kt

@@ -9,7 +9,6 @@ import org.jetbrains.kotlin.backend.common.BodyLoweringPass
 import org.jetbrains.kotlin.backend.common.CommonBackendContext
 import org.jetbrains.kotlin.backend.common.descriptors.synthesizedString
 import org.jetbrains.kotlin.ir.util.isFunctionInlining
-import org.jetbrains.kotlin.backend.common.lower.inline.isInlineParameter
 import org.jetbrains.kotlin.backend.common.runOnFilePostfix
 import org.jetbrains.kotlin.descriptors.DescriptorVisibilities
 import org.jetbrains.kotlin.descriptors.DescriptorVisibility

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/SharedVariablesLowering.kt

@@ -18,7 +18,6 @@ package org.jetbrains.kotlin.backend.common.lower
 
 import org.jetbrains.kotlin.backend.common.BackendContext
 import org.jetbrains.kotlin.backend.common.BodyLoweringPass
-import org.jetbrains.kotlin.backend.common.lower.inline.isInlineParameter
 import org.jetbrains.kotlin.backend.common.phaser.makeIrFilePhase
 import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.IrStatement
@@ -27,6 +26,7 @@ import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.ir.symbols.IrValueSymbol
 import org.jetbrains.kotlin.ir.symbols.IrVariableSymbol
 import org.jetbrains.kotlin.ir.util.dump
+import org.jetbrains.kotlin.ir.util.isInlineParameter
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
 import org.jetbrains.kotlin.ir.visitors.IrElementVisitor
 import org.jetbrains.kotlin.ir.visitors.transformChildrenVoid

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/inline/FunctionInlining.kt

@@ -38,12 +38,6 @@ import org.jetbrains.kotlin.ir.visitors.*
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.util.OperatorNameConventions
 
-fun IrValueParameter.isInlineParameter(type: IrType = this.type) =
-    index >= 0 && !isNoinline && !type.isNullable() && (type.isFunction() || type.isSuspendFunction())
-
-fun IrExpression.isAdaptedFunctionReference() =
-    this is IrBlock && this.origin == IrStatementOrigin.ADAPTED_FUNCTION_REFERENCE
-
 interface InlineFunctionResolver {
     fun getFunctionDeclaration(symbol: IrFunctionSymbol): IrFunction = symbol.owner
     fun shouldExcludeFunctionFromInlining(symbol: IrFunctionSymbol): Boolean {

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/inline/LocalClasses.kt

@@ -14,6 +14,8 @@ import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.ir.expressions.impl.IrBlockImpl
 import org.jetbrains.kotlin.ir.expressions.impl.IrCompositeImpl
+import org.jetbrains.kotlin.ir.util.isAdaptedFunctionReference
+import org.jetbrains.kotlin.ir.util.isInlineParameter
 import org.jetbrains.kotlin.ir.util.setDeclarationsParent
 import org.jetbrains.kotlin.ir.visitors.*
 

compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/MarkNecessaryInlinedClassesAsRegeneratedLowering.kt

@@ -6,9 +6,9 @@
 package org.jetbrains.kotlin.backend.jvm.lower
 
 import org.jetbrains.kotlin.backend.common.FileLoweringPass
+import org.jetbrains.kotlin.backend.common.lower.LoweredStatementOrigins.INLINED_FUNCTION_REFERENCE
 import org.jetbrains.kotlin.ir.util.inlineDeclaration
 import org.jetbrains.kotlin.ir.util.isFunctionInlining
-import org.jetbrains.kotlin.backend.common.lower.inline.INLINED_FUNCTION_REFERENCE
 import org.jetbrains.kotlin.backend.common.phaser.makeIrModulePhase
 import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
 import org.jetbrains.kotlin.backend.jvm.functionInliningPhase

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

@@ -7,8 +7,11 @@ package org.jetbrains.kotlin.ir.util
 
 import org.jetbrains.kotlin.ir.declarations.IrDeclaration
 import org.jetbrains.kotlin.ir.declarations.IrFunction
+import org.jetbrains.kotlin.ir.declarations.IrValueParameter
 import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.ir.symbols.IrFileSymbol
+import org.jetbrains.kotlin.ir.types.IrType
+import org.jetbrains.kotlin.ir.types.isNullable
 
 val IrInlinedFunctionBlock.inlineDeclaration: IrDeclaration
     get() = when (val element = inlinedElement) {
@@ -39,4 +42,10 @@ val IrContainerExpression.innerInlinedBlockOrThis: IrContainerExpression
 val IrReturnableBlock.inlineFunction: IrFunction?
     get() = (this.statements.singleOrNull() as? IrInlinedFunctionBlock)?.inlineFunction
 val IrReturnableBlock.sourceFileSymbol: IrFileSymbol?
-    get() = inlineFunction?.fileOrNull?.symbol
+    get() = inlineFunction?.fileOrNull?.symbol
+
+fun IrValueParameter.isInlineParameter(type: IrType = this.type) =
+    index >= 0 && !isNoinline && !type.isNullable() && (type.isFunction() || type.isSuspendFunction())
+
+fun IrExpression.isAdaptedFunctionReference() =
+    this is IrBlock && this.origin == IrStatementOrigin.ADAPTED_FUNCTION_REFERENCE