ryujinx/Ryujinx.Graphics.Shader/IntermediateRepresentation/OperandType.cs

namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
{
    enum OperandType
    {
        Argument,
        Attribute,
        Constant,
        ConstantBuffer,
        Label,
        LocalVariable,
        Register,
        Undefined
    }
}