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   virtual MachineInstr *commuteInstruction(MachineInstr *MI,
  39                                            bool NewMI=false) const;
  40
  41   virtual MachineInstr * getMovImmInstr(MachineFunction *MF, unsigned DstReg,
  42                                         int64_t Imm) const;
  43
  44   virtual unsigned getIEQOpcode() const { assert(!"Implement"); return 0;}
  45   virtual bool isMov(unsigned Opcode) const;
  46
  47   virtual bool isSafeToMoveRegClassDefs(const TargetRegisterClass *RC) const;
  48
  49   virtual int getIndirectIndexBegin(const MachineFunction &MF) const;
  50
  51   virtual int getIndirectIndexEnd(const MachineFunction &MF) const;
  52
  53   virtual unsigned calculateIndirectAddress(unsigned RegIndex,
  54                                             unsigned Channel) const;
  55
  56   virtual const TargetRegisterClass *getIndirectAddrStoreRegClass(
  57                                                       unsigned SourceReg) const;
  58
  59   virtual const TargetRegisterClass *getIndirectAddrLoadRegClass() const;
  60
  61   virtual MachineInstrBuilder buildIndirectWrite(MachineBasicBlock *MBB,
  62                                                  MachineBasicBlock::iterator I,
  63                                                  unsigned ValueReg,
  64                                                  unsigned Address,
  65                                                  unsigned OffsetReg) const;
  66
  67   virtual MachineInstrBuilder buildIndirectRead(MachineBasicBlock *MBB,
  68                                                 MachineBasicBlock::iterator I,
  69                                                 unsigned ValueReg,
  70                                                 unsigned Address,
  71                                                 unsigned OffsetReg) const;
  72
  73   virtual const TargetRegisterClass *getSuperIndirectRegClass() const;
  74   };
  75
  76 } // End namespace llvm
  77
  78 namespace SIInstrFlags {
  79   enum Flags {
  80     // First 4 bits are the instruction encoding
  81     VM_CNT = 1 << 0,
  82     EXP_CNT = 1 << 1,
  83     LGKM_CNT = 1 << 2
  84   };
  85 }
  86
  87 #endif //SIINSTRINFO_H