forked from OSchip/llvm-project
69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
//==-- PTXISelLowering.h - PTX DAG Lowering Interface ------------*- C++ -*-==//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines the interfaces that PTX uses to lower LLVM code into a
|
|
// selection DAG.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#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,
|
|
READ_PARAM,
|
|
EXIT,
|
|
RET,
|
|
COPY_ADDRESS
|
|
};
|
|
} // namespace PTXISD
|
|
|
|
class PTXTargetLowering : public TargetLowering {
|
|
public:
|
|
explicit PTXTargetLowering(TargetMachine &TM);
|
|
|
|
virtual const char *getTargetNodeName(unsigned Opcode) const;
|
|
|
|
virtual unsigned getFunctionAlignment(const Function *F) const {
|
|
return 2; }
|
|
|
|
virtual SDValue LowerOperation(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;
|
|
|
|
private:
|
|
SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
|
|
}; // class PTXTargetLowering
|
|
} // namespace llvm
|
|
|
|
#endif // PTX_ISEL_LOWERING_H
|