forked from OSchip/llvm-project
80 lines
3.1 KiB
C++
80 lines
3.1 KiB
C++
//===- NVPTXInstrInfo.h - NVPTX Instruction Information----------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the niversity of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file contains the NVPTX implementation of the TargetInstrInfo class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef NVPTXINSTRUCTIONINFO_H
|
|
#define NVPTXINSTRUCTIONINFO_H
|
|
|
|
#include "NVPTX.h"
|
|
#include "NVPTXRegisterInfo.h"
|
|
#include "llvm/Target/TargetInstrInfo.h"
|
|
|
|
#define GET_INSTRINFO_HEADER
|
|
#include "NVPTXGenInstrInfo.inc"
|
|
|
|
namespace llvm {
|
|
|
|
class NVPTXInstrInfo : public NVPTXGenInstrInfo {
|
|
NVPTXTargetMachine &TM;
|
|
const NVPTXRegisterInfo RegInfo;
|
|
virtual void anchor();
|
|
public:
|
|
explicit NVPTXInstrInfo(NVPTXTargetMachine &TM);
|
|
|
|
virtual const NVPTXRegisterInfo &getRegisterInfo() const { return RegInfo; }
|
|
|
|
/* The following virtual functions are used in register allocation.
|
|
* They are not implemented because the existing interface and the logic
|
|
* at the caller side do not work for the elementized vector load and store.
|
|
*
|
|
* virtual unsigned isLoadFromStackSlot(const MachineInstr *MI,
|
|
* int &FrameIndex) const;
|
|
* virtual unsigned isStoreToStackSlot(const MachineInstr *MI,
|
|
* int &FrameIndex) const;
|
|
* virtual void storeRegToStackSlot(MachineBasicBlock &MBB,
|
|
* MachineBasicBlock::iterator MBBI,
|
|
* unsigned SrcReg, bool isKill, int FrameIndex,
|
|
* const TargetRegisterClass *RC) const;
|
|
* virtual void loadRegFromStackSlot(MachineBasicBlock &MBB,
|
|
* MachineBasicBlock::iterator MBBI,
|
|
* unsigned DestReg, int FrameIndex,
|
|
* const TargetRegisterClass *RC) const;
|
|
*/
|
|
|
|
virtual void copyPhysReg(
|
|
MachineBasicBlock &MBB, MachineBasicBlock::iterator I, DebugLoc DL,
|
|
unsigned DestReg, unsigned SrcReg, bool KillSrc) const;
|
|
virtual bool isMoveInstr(const MachineInstr &MI, unsigned &SrcReg,
|
|
unsigned &DestReg) const;
|
|
bool isLoadInstr(const MachineInstr &MI, unsigned &AddrSpace) const;
|
|
bool isStoreInstr(const MachineInstr &MI, unsigned &AddrSpace) const;
|
|
bool isReadSpecialReg(MachineInstr &MI) const;
|
|
|
|
virtual bool CanTailMerge(const MachineInstr *MI) const;
|
|
// Branch analysis.
|
|
virtual bool AnalyzeBranch(
|
|
MachineBasicBlock &MBB, MachineBasicBlock *&TBB, MachineBasicBlock *&FBB,
|
|
SmallVectorImpl<MachineOperand> &Cond, bool AllowModify) const;
|
|
virtual unsigned RemoveBranch(MachineBasicBlock &MBB) const;
|
|
virtual unsigned InsertBranch(
|
|
MachineBasicBlock &MBB, MachineBasicBlock *TBB, MachineBasicBlock *FBB,
|
|
const SmallVectorImpl<MachineOperand> &Cond, DebugLoc DL) const;
|
|
unsigned getLdStCodeAddrSpace(const MachineInstr &MI) const {
|
|
return MI.getOperand(2).getImm();
|
|
}
|
|
|
|
};
|
|
|
|
} // namespace llvm
|
|
|
|
#endif
|