Class LowerBox

A transform that lowers reference type creating 'box' instructions to 'newobj' instructions if possible and calls to well-known functions if not.

Inheritance
System.Object
Optimization
IntraproceduralOptimization
LowerBox
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Flame.Clr.Transforms
Assembly: Flame.Clr.dll
Syntax
public sealed class LowerBox : IntraproceduralOptimization

Constructors

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LowerBox(IAssembly)

Creates an instance of the box-lowering transform for CIL.

Declaration
public LowerBox(IAssembly corlib)
Parameters
Type Name Description
IAssembly corlib

The corlib assembly.
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LowerBox(IMethod, IMethod)

Creates an instance of the box-lowering transform for CIL.

Declaration
public LowerBox(IMethod getTypeFromHandleMethod, IMethod createUninitializedObjectMethod)
Parameters
Type Name Description
IMethod getTypeFromHandleMethod

A reference to a GetTypeFromHandle method that takes a type token and produces a type.
IMethod createUninitializedObjectMethod

A reference to a GetUninitializedObject method that takes a type and produces a default-initialized object of that type.
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LowerBox(TypeResolver)

Creates an instance of the box-lowering transform for CIL.

Declaration
public LowerBox(TypeResolver corlibResolver)
Parameters
Type Name Description
TypeResolver corlibResolver

A type resolver for corlib.

Properties

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CreateUninitializedObjectMethod

Gets a reference to a GetUninitializedObject method that takes a type and produces a default-initialized object of that type.

Declaration
public IMethod CreateUninitializedObjectMethod { get; }
Property Value
Type Description
IMethod

A method reference.
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GetTypeFromHandleMethod

Gets a reference to a GetTypeFromHandle method that takes a type token and produces a type.

Declaration
public IMethod GetTypeFromHandleMethod { get; }
Property Value
Type Description
IMethod

A method reference.

Methods

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Apply(FlowGraph)

Applies this intraprocedural optimization to a flow graph.

Declaration
public override FlowGraph Apply(FlowGraph graph)
Parameters
Type Name Description
FlowGraph graph

The flow graph to transform.
Returns
Type Description
FlowGraph

A transformed flow graph.
Overrides