private void PlugMethod()
{
var plugMethod = Compiler.PlugSystem.GetReplacement(Method);
if (plugMethod == null)
{
return;
}
Compiler.MethodScanner.MethodInvoked(plugMethod, Method);
IsMethodPlugged = true;
Debug.Assert(plugMethod != null);
var plugSymbol = Operand.CreateSymbolFromMethod(plugMethod, TypeSystem);
var block = BasicBlocks.CreateBlock(BasicBlock.PrologueLabel);
BasicBlocks.AddHeadBlock(block);
var ctx = new Context(block);
ctx.AppendInstruction(IRInstruction.Jmp, null, plugSymbol);
IsCILDecodeRequired = false;
IsExecutePipeline = true;
IsStackFrameRequired = false;
}
private void StubMethod()
{
var intrinsicAttribute = Method.FindCustomAttribute("System.Runtime.CompilerServices.IntrinsicAttribute");
if (intrinsicAttribute == null)
{
return;
}
var methodName = $"{Method.DeclaringType.Namespace}.{Method.DeclaringType.Name}::{Method.Name}";
var stub = Compiler.GetStubMethod(methodName);
if (stub == null)
{
return;
}
IsCILStream = false;
IsExecutePipeline = true;
// Create the prologue block
var prologue = BasicBlocks.CreateBlock(BasicBlock.PrologueLabel);
BasicBlocks.AddHeadBlock(prologue);
// Create the epilogue block
var epilogue = BasicBlocks.CreateBlock(BasicBlock.EpilogueLabel);
var start = BasicBlocks.CreateBlock(BasicBlock.StartLabel);
// Add a jump instruction to the first block from the prologue
prologue.First.Insert(new InstructionNode(IRInstruction.Jmp, start));
stub(new Context(start), this);
if (NotifyInstructionTraceHandler != null)
{
var traceLog = new TraceLog(TraceType.MethodInstructions, Method, "XX-Stubbed Method", MethodData.Version);
traceLog?.Log($"This method is a stubbed method");
NotifyInstructionTraceHandler.Invoke(traceLog);
}
}
/// <summary>
/// Creates the new block.
/// </summary>
/// <param name="blockLabel">The label.</param>
/// <param name="instructionLabel">The instruction label.</param>
/// <returns></returns>
protected BasicBlock CreateNewBlock(int blockLabel, int instructionLabel)
{
return(BasicBlocks.CreateBlock(blockLabel, instructionLabel));
}
/// <summary>
/// Create an empty block.
/// </summary>
/// <param name="blockLabel">The label.</param>
/// <returns></returns>
protected BasicBlock CreateNewBlock(int blockLabel)
{
return(BasicBlocks.CreateBlock(blockLabel));
}
/// <summary>
/// Create an empty block.
/// </summary>
/// <returns></returns>
protected BasicBlock CreateNewBlock()
{
return(BasicBlocks.CreateBlock());
}
