src/llvm/lib/Target/Hexagon/Hexagon.h

   1 //=-- Hexagon.h - Top-level interface for Hexagon representation --*- 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 // This file contains the entry points for global functions defined in the LLVM
  11 // Hexagon back-end.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef TARGET_Hexagon_H
  16 #define TARGET_Hexagon_H
  17
  18 #include "MCTargetDesc/HexagonMCTargetDesc.h"
  19 #include "llvm/Target/TargetLowering.h"
  20 #include "llvm/Target/TargetMachine.h"
  21
  22 namespace llvm {
  23   class FunctionPass;
  24   class TargetMachine;
  25   class MachineInstr;
  26   class MCInst;
  27   class HexagonAsmPrinter;
  28   class HexagonTargetMachine;
  29   class raw_ostream;
  30
  31   FunctionPass *createHexagonISelDag(HexagonTargetMachine &TM);
  32   FunctionPass *createHexagonDelaySlotFillerPass(TargetMachine &TM);
  33   FunctionPass *createHexagonFPMoverPass(TargetMachine &TM);
  34   FunctionPass *createHexagonRemoveExtendOps(HexagonTargetMachine &TM);
  35   FunctionPass *createHexagonCFGOptimizer(HexagonTargetMachine &TM);
  36
  37   FunctionPass *createHexagonSplitTFRCondSets(HexagonTargetMachine &TM);
  38   FunctionPass *createHexagonExpandPredSpillCode(HexagonTargetMachine &TM);
  39
  40   FunctionPass *createHexagonHardwareLoops();
  41   FunctionPass *createHexagonPeephole();
  42   FunctionPass *createHexagonFixupHwLoops();
  43   FunctionPass *createHexagonPacketizer();
  44   FunctionPass *createHexagonNewValueJump();
  45
  46
  47 /* TODO: object output.
  48   MCCodeEmitter *createHexagonMCCodeEmitter(const Target &,
  49                                             TargetMachine &TM,
  50                                             MCContext &Ctx);
  51 */
  52 /* TODO: assembler input.
  53   TargetAsmBackend *createHexagonAsmBackend(const Target &,
  54                                                   const std::string &);
  55 */
  56   void HexagonLowerToMC(const MachineInstr *MI, MCInst &MCI,
  57                         HexagonAsmPrinter &AP);
  58 } // end namespace llvm;
  59
  60 #define Hexagon_POINTER_SIZE 4
  61
  62 #define Hexagon_PointerSize (Hexagon_POINTER_SIZE)
  63 #define Hexagon_PointerSize_Bits (Hexagon_POINTER_SIZE * 8)
  64 #define Hexagon_WordSize Hexagon_PointerSize
  65 #define Hexagon_WordSize_Bits Hexagon_PointerSize_Bits
  66
  67 // allocframe saves LR and FP on stack before allocating
  68 // a new stack frame. This takes 8 bytes.
  69 #define HEXAGON_LRFP_SIZE 8
  70
  71 // Normal instruction size (in bytes).
  72 #define HEXAGON_INSTR_SIZE 4
  73
  74 // Maximum number of words and instructions in a packet.
  75 #define HEXAGON_PACKET_SIZE 4
  76
  77 #endif