#ifndef PTX_ISEL_LOWERING_H
#define PTX_ISEL_LOWERING_H
#include "llvm/Target/TargetLowering.h"
namespace llvm {
class PTXSubtarget;
class PTXTargetMachine;
namespace PTXISD {
enum NodeType {
FIRST_NUMBER = ISD::BUILTIN_OP_END,
LOAD_PARAM,
STORE_PARAM,
READ_PARAM,
WRITE_PARAM,
EXIT,
RET,
COPY_ADDRESS,
CALL
};
}
class PTXTargetLowering : public TargetLowering {
public:
explicit PTXTargetLowering(TargetMachine &TM);
virtual const char *getTargetNodeName(unsigned Opcode) const;
virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
virtual SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG) const;
virtual SDValue
LowerFormalArguments(SDValue Chain,
CallingConv::ID CallConv,
bool isVarArg,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl,
SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals) const;
virtual SDValue
LowerReturn(SDValue Chain,
CallingConv::ID CallConv,
bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,
const SmallVectorImpl<SDValue> &OutVals,
DebugLoc dl,
SelectionDAG &DAG) const;
virtual SDValue
LowerCall(SDValue Chain, SDValue Callee, CallingConv::ID CallConv,
bool isVarArg, bool doesNotRet, bool &isTailCall,
const SmallVectorImpl<ISD::OutputArg> &Outs,
const SmallVectorImpl<SDValue> &OutVals,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals) const;
virtual EVT getSetCCResultType(EVT VT) const;
virtual unsigned getNumRegisters(LLVMContext &Context, EVT VT);
private:
SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
}; }
#endif // PTX_ISEL_LOWERING_H