Check in some old changes to the binding, from before I had commit access. - Add bindings for InsertValue and ExtractValue - Updates to use new APIs where they were renamed or removed. - Add generic error messages if LLVM didn't provide one. - Enable typesafe variadic arguments for GetGEP.

#ifndef LDC_IR_IRDTYPE_H
#define LDC_IR_IRDTYPE_H

#include <set>

namespace llvm {
    class PATypeHolder;
}

struct IrDType
{
    IrDType();
    llvm::PATypeHolder* type;
};

#endif