lib/Target/R600/SIInstrInfo.h

   1 //===-- SIInstrInfo.h - SI Instruction Info Interface ---------------------===//
   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 /// \file
  11 /// \brief Interface definition for SIInstrInfo.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15
  16 #ifndef SIINSTRINFO_H
  17 #define SIINSTRINFO_H
  18
  19 #include "AMDGPUInstrInfo.h"
  20 #include "SIRegisterInfo.h"
  21
  22 namespace llvm {
  23
  24 class SIInstrInfo : public AMDGPUInstrInfo {
  25 private:
  26   const SIRegisterInfo RI;
  27
  28 public:
  29   explicit SIInstrInfo(AMDGPUTargetMachine &tm);
  30
  31   const SIRegisterInfo &getRegisterInfo() const;
  32
  33   virtual void copyPhysReg(MachineBasicBlock &MBB,
  34                            MachineBasicBlock::iterator MI, DebugLoc DL,
  35                            unsigned DestReg, unsigned SrcReg,
  36                            bool KillSrc) const;
  37
  38   unsigned commuteOpcode(unsigned Opcode) const;
  39
  40   virtual MachineInstr *commuteInstruction(MachineInstr *MI,
  41                                            bool NewMI=false) const;
  42
  43   virtual MachineInstr * getMovImmInstr(MachineFunction *MF, unsigned DstReg,
  44                                         int64_t Imm) const;
  45
  46   virtual unsigned getIEQOpcode() const { assert(!"Implement"); return 0;}
  47   virtual bool isMov(unsigned Opcode) const;
  48
  49   virtual bool isSafeToMoveRegClassDefs(const TargetRegisterClass *RC) const;
  50   int isMIMG(uint16_t Opcode) const;
  51   int isSMRD(uint16_t Opcode) const;
  52
  53   virtual int getIndirectIndexBegin(const MachineFunction &MF) const;
  54
  55   virtual int getIndirectIndexEnd(const MachineFunction &MF) const;
  56
  57   virtual unsigned calculateIndirectAddress(unsigned RegIndex,
  58                                             unsigned Channel) const;
  59
  60   virtual const TargetRegisterClass *getIndirectAddrStoreRegClass(
  61                                                       unsigned SourceReg) const;
  62
  63   virtual const TargetRegisterClass *getIndirectAddrLoadRegClass() const;
  64
  65   virtual MachineInstrBuilder buildIndirectWrite(MachineBasicBlock *MBB,
  66                                                  MachineBasicBlock::iterator I,
  67                                                  unsigned ValueReg,
  68                                                  unsigned Address,
  69                                                  unsigned OffsetReg) const;
  70
  71   virtual MachineInstrBuilder buildIndirectRead(MachineBasicBlock *MBB,
  72                                                 MachineBasicBlock::iterator I,
  73                                                 unsigned ValueReg,
  74                                                 unsigned Address,
  75                                                 unsigned OffsetReg) const;
  76
  77   virtual const TargetRegisterClass *getSuperIndirectRegClass() const;
  78   };
  79
  80 namespace AMDGPU {
  81
  82   int getVOPe64(uint16_t Opcode);
  83   int getCommuteRev(uint16_t Opcode);
  84   int getCommuteOrig(uint16_t Opcode);
  85
  86 } // End namespace AMDGPU
  87
  88 } // End namespace llvm
  89
  90 namespace SIInstrFlags {
  91   enum Flags {
  92     // First 4 bits are the instruction encoding
  93     VM_CNT = 1 << 0,
  94     EXP_CNT = 1 << 1,
  95     LGKM_CNT = 1 << 2
  96   };
  97 }
  98
  99 #endif //SIINSTRINFO_H