private Operand Map(Operand operand, Dictionary <Operand, Operand> map, InstructionNode callNode)
{
if (operand == null)
{
return(null);
}
Operand mappedOperand;
if (map.TryGetValue(operand, out mappedOperand))
{
return(mappedOperand);
}
if (operand.IsSymbol)
{
if (operand.StringData != null)
{
mappedOperand = Operand.CreateStringSymbol(operand.Type.TypeSystem, operand.Name, operand.StringData);
}
else if (operand.Method != null)
{
mappedOperand = Operand.CreateSymbolFromMethod(operand.Type.TypeSystem, operand.Method);
}
else if (operand.Name != null)
{
mappedOperand = Operand.CreateManagedSymbol(operand.Type, operand.Name);
}
}
else if (operand.IsParameter)
{
mappedOperand = callNode.GetOperand(operand.Index + 1);
}
else if (operand.IsStackLocal)
{
mappedOperand = MethodCompiler.AddStackLocal(operand.Type, operand.IsPinned);
}
else if (operand.IsVirtualRegister)
{
mappedOperand = AllocateVirtualRegister(operand.Type);
}
else if (operand.IsStaticField)
{
mappedOperand = Operand.CreateField(operand.Field);
}
else if (operand.IsCPURegister)
{
mappedOperand = operand;
}
else if (operand.IsConstant)
{
mappedOperand = operand;
}
Debug.Assert(mappedOperand != null);
map.Add(operand, mappedOperand);
return(mappedOperand);
}
private static Operand Map(Operand operand, Dictionary <Operand, Operand> map)
{
if (operand == null)
{
return(null);
}
Operand mappedOperand;
if (map.TryGetValue(operand, out mappedOperand))
{
return(mappedOperand);
}
if (operand.IsSymbol)
{
if (operand.StringData != null)
{
mappedOperand = Operand.CreateStringSymbol(operand.Type.TypeSystem, operand.Name, operand.StringData);
}
else if (operand.Method != null)
{
mappedOperand = Operand.CreateSymbolFromMethod(operand.Type.TypeSystem, operand.Method);
}
else if (operand.Name != null)
{
mappedOperand = Operand.CreateManagedSymbol(operand.Type, operand.Name);
}
}
else if (operand.IsParameter)
{
mappedOperand = operand;
}
else if (operand.IsStackLocal)
{
mappedOperand = Operand.CreateStackLocal(operand.Type, operand.Index, operand.IsPinned);
}
else if (operand.IsVirtualRegister)
{
if (operand.Uses.Count != 0 || operand.Definitions.Count != 0)
{
mappedOperand = Operand.CreateVirtualRegister(operand.Type, operand.Index);
}
}
else if (operand.IsStaticField)
{
mappedOperand = Operand.CreateField(operand.Field);
}
else if (operand.IsCPURegister)
{
mappedOperand = operand;
}
else if (operand.IsConstant)
{
mappedOperand = operand;
}
Debug.Assert(mappedOperand != null);
map.Add(operand, mappedOperand);
return(mappedOperand);
}
