R600InstrInfo.h revision a614979286f8d329af318c1e9fb067e17cab4315
1//===-- R600InstrInfo.h - R600 Instruction Info Interface -------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// Interface definition for R600InstrInfo 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef R600INSTRUCTIONINFO_H_ 15#define R600INSTRUCTIONINFO_H_ 16 17#include "AMDIL.h" 18#include "AMDGPUInstrInfo.h" 19#include "R600RegisterInfo.h" 20 21#include <map> 22 23namespace llvm { 24 25 class AMDGPUTargetMachine; 26 class DFAPacketizer; 27 class ScheduleDAG; 28 class MachineFunction; 29 class MachineInstr; 30 class MachineInstrBuilder; 31 32 class R600InstrInfo : public AMDGPUInstrInfo { 33 private: 34 const R600RegisterInfo RI; 35 AMDGPUTargetMachine &TM; 36 37 int getBranchInstr(const MachineOperand &op) const; 38 39 public: 40 explicit R600InstrInfo(AMDGPUTargetMachine &tm); 41 42 const R600RegisterInfo &getRegisterInfo() const; 43 virtual void copyPhysReg(MachineBasicBlock &MBB, 44 MachineBasicBlock::iterator MI, DebugLoc DL, 45 unsigned DestReg, unsigned SrcReg, 46 bool KillSrc) const; 47 48 bool isTrig(const MachineInstr &MI) const; 49 bool isPlaceHolderOpcode(unsigned opcode) const; 50 bool isTexOp(unsigned opcode) const; 51 bool isReductionOp(unsigned opcode) const; 52 bool isCubeOp(unsigned opcode) const; 53 bool isFCOp(unsigned opcode) const; 54 55 /// isVector - Vector instructions are instructions that must fill all 56 /// instruction slots within an instruction group. 57 bool isVector(const MachineInstr &MI) const; 58 59 virtual MachineInstr * getMovImmInstr(MachineFunction *MF, unsigned DstReg, 60 int64_t Imm) const; 61 62 virtual unsigned getIEQOpcode() const; 63 virtual bool isMov(unsigned Opcode) const; 64 65 DFAPacketizer *CreateTargetScheduleState(const TargetMachine *TM, 66 const ScheduleDAG *DAG) const; 67 68 bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const; 69 70 bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB, MachineBasicBlock *&FBB, 71 SmallVectorImpl<MachineOperand> &Cond, bool AllowModify) const; 72 73 unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, MachineBasicBlock *FBB, const SmallVectorImpl<MachineOperand> &Cond, DebugLoc DL) const; 74 75 unsigned RemoveBranch(MachineBasicBlock &MBB) const; 76 77 bool isPredicated(const MachineInstr *MI) const; 78 79 bool isPredicable(MachineInstr *MI) const; 80 81 bool 82 isProfitableToDupForIfCvt(MachineBasicBlock &MBB, unsigned NumCyles, 83 const BranchProbability &Probability) const; 84 85 bool isProfitableToIfCvt(MachineBasicBlock &MBB, unsigned NumCyles, 86 unsigned ExtraPredCycles, 87 const BranchProbability &Probability) const ; 88 89 bool 90 isProfitableToIfCvt(MachineBasicBlock &TMBB, 91 unsigned NumTCycles, unsigned ExtraTCycles, 92 MachineBasicBlock &FMBB, 93 unsigned NumFCycles, unsigned ExtraFCycles, 94 const BranchProbability &Probability) const; 95 96 bool DefinesPredicate(MachineInstr *MI, 97 std::vector<MachineOperand> &Pred) const; 98 99 bool SubsumesPredicate(const SmallVectorImpl<MachineOperand> &Pred1, 100 const SmallVectorImpl<MachineOperand> &Pred2) const; 101 102 bool isProfitableToUnpredicate(MachineBasicBlock &TMBB, 103 MachineBasicBlock &FMBB) const; 104 105 bool PredicateInstruction(MachineInstr *MI, 106 const SmallVectorImpl<MachineOperand> &Pred) const; 107 108 int getInstrLatency(const InstrItineraryData *ItinData, 109 const MachineInstr *MI, 110 unsigned *PredCost = 0) const; 111 112 virtual int getInstrLatency(const InstrItineraryData *ItinData, 113 SDNode *Node) const { return 1;} 114}; 115 116} // End llvm namespace 117 118namespace R600_InstFlag { 119 enum TIF { 120 TRANS_ONLY = (1 << 0), 121 TEX = (1 << 1), 122 REDUCTION = (1 << 2), 123 FC = (1 << 3), 124 TRIG = (1 << 4), 125 OP3 = (1 << 5), 126 VECTOR = (1 << 6) 127 }; 128} 129 130#endif // R600INSTRINFO_H_ 131