' Licensed to the .NET Foundation under one or more agreements.
' The .NET Foundation licenses this file to you under the MIT license.
' See the LICENSE file in the project root for more information.

Imports System.Runtime.InteropServices
Imports Microsoft.CodeAnalysis.Text
Imports Microsoft.CodeAnalysis.VisualBasic.Symbols
Imports Microsoft.CodeAnalysis.VisualBasic.Syntax
Imports TypeKind = Microsoft.CodeAnalysis.TypeKind

Namespace Microsoft.CodeAnalysis.VisualBasic.CodeGen

    ''' <summary>
    ''' Optimizer performs optimization of the bound tree performed before passing it to a codegen. Generally it may
    ''' include several phases like stack scheduling of local variables, etc...
    ''' </summary>
    ''' <remarks></remarks>
    Partial Friend Class Optimizer

        Public Shared Function Optimize(
                         container As Symbol,
                         src As BoundStatement,
                         debugFriendly As Boolean,
                         <Out> ByRef stackLocals As HashSet(Of LocalSymbol)) As BoundStatement

            ' TODO: run other optimizing passes here.
            '       stack scheduler must be the last one.

            Return StackScheduler.OptimizeLocalsOut(container, src, debugFriendly, stackLocals)
        End Function

    End Class

End Namespace