1 //===- NVPTXInstrInfo.h - NVPTX Instruction Information----------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file contains the NVPTX implementation of the TargetInstrInfo class. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_LIB_TARGET_NVPTX_NVPTXINSTRINFO_H 14 #define LLVM_LIB_TARGET_NVPTX_NVPTXINSTRINFO_H 15 16 #include "NVPTX.h" 17 #include "NVPTXRegisterInfo.h" 18 #include "llvm/CodeGen/TargetInstrInfo.h" 19 20 #define GET_INSTRINFO_HEADER 21 #include "NVPTXGenInstrInfo.inc" 22 23 namespace llvm { 24 25 class NVPTXInstrInfo : public NVPTXGenInstrInfo { 26 const NVPTXRegisterInfo RegInfo; 27 virtual void anchor(); 28 public: 29 explicit NVPTXInstrInfo(); 30 getRegisterInfo()31 const NVPTXRegisterInfo &getRegisterInfo() const { return RegInfo; } 32 33 /* The following virtual functions are used in register allocation. 34 * They are not implemented because the existing interface and the logic 35 * at the caller side do not work for the elementized vector load and store. 36 * 37 * virtual unsigned isLoadFromStackSlot(const MachineInstr *MI, 38 * int &FrameIndex) const; 39 * virtual unsigned isStoreToStackSlot(const MachineInstr *MI, 40 * int &FrameIndex) const; 41 * virtual void storeRegToStackSlot(MachineBasicBlock &MBB, 42 * MachineBasicBlock::iterator MBBI, 43 * unsigned SrcReg, bool isKill, int FrameIndex, 44 * const TargetRegisterClass *RC) const; 45 * virtual void loadRegFromStackSlot(MachineBasicBlock &MBB, 46 * MachineBasicBlock::iterator MBBI, 47 * unsigned DestReg, int FrameIndex, 48 * const TargetRegisterClass *RC) const; 49 */ 50 51 void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, 52 const DebugLoc &DL, MCRegister DestReg, MCRegister SrcReg, 53 bool KillSrc) const override; 54 55 // Branch analysis. 56 bool analyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB, 57 MachineBasicBlock *&FBB, 58 SmallVectorImpl<MachineOperand> &Cond, 59 bool AllowModify) const override; 60 unsigned removeBranch(MachineBasicBlock &MBB, 61 int *BytesRemoved = nullptr) const override; 62 unsigned insertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, 63 MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond, 64 const DebugLoc &DL, 65 int *BytesAdded = nullptr) const override; 66 }; 67 68 } // namespace llvm 69 70 #endif 71