Hexagon.h revision 263508 
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
22namespace llvm {
23  class FunctionPass;
24  class ModulePass;
25  class TargetMachine;
26  class MachineInstr;
27  class HexagonMCInst;
28  class HexagonAsmPrinter;
29  class HexagonTargetMachine;
30  class raw_ostream;
31
32  FunctionPass *createHexagonISelDag(HexagonTargetMachine &TM,
33                                     CodeGenOpt::Level OptLevel);
34  FunctionPass *createHexagonDelaySlotFillerPass(const TargetMachine &TM);
35  FunctionPass *createHexagonFPMoverPass(const TargetMachine &TM);
36  FunctionPass *createHexagonRemoveExtendArgs(const HexagonTargetMachine &TM);
37  FunctionPass *createHexagonCFGOptimizer(const HexagonTargetMachine &TM);
38
39  FunctionPass *createHexagonSplitTFRCondSets(const HexagonTargetMachine &TM);
40  FunctionPass *createHexagonSplitConst32AndConst64(
41                      const HexagonTargetMachine &TM);
42  FunctionPass *createHexagonExpandPredSpillCode(
43                      const HexagonTargetMachine &TM);
44  FunctionPass *createHexagonHardwareLoops();
45  FunctionPass *createHexagonPeephole();
46  FunctionPass *createHexagonFixupHwLoops();
47  FunctionPass *createHexagonNewValueJump();
48  FunctionPass *createHexagonCopyToCombine();
49  FunctionPass *createHexagonPacketizer();
50  FunctionPass *createHexagonNewValueJump();
51
52/* TODO: object output.
53  MCCodeEmitter *createHexagonMCCodeEmitter(const Target &,
54                                            const TargetMachine &TM,
55                                            MCContext &Ctx);
56*/
57/* TODO: assembler input.
58  TargetAsmBackend *createHexagonAsmBackend(const Target &,
59                                                  const std::string &);
60*/
61  void HexagonLowerToMC(const MachineInstr *MI, HexagonMCInst &MCI,
62                        HexagonAsmPrinter &AP);
63} // end namespace llvm;
64
65#define Hexagon_POINTER_SIZE 4
66
67#define Hexagon_PointerSize (Hexagon_POINTER_SIZE)
68#define Hexagon_PointerSize_Bits (Hexagon_POINTER_SIZE * 8)
69#define Hexagon_WordSize Hexagon_PointerSize
70#define Hexagon_WordSize_Bits Hexagon_PointerSize_Bits
71
72// allocframe saves LR and FP on stack before allocating
73// a new stack frame. This takes 8 bytes.
74#define HEXAGON_LRFP_SIZE 8
75
76// Normal instruction size (in bytes).
77#define HEXAGON_INSTR_SIZE 4
78
79// Maximum number of words and instructions in a packet.
80#define HEXAGON_PACKET_SIZE 4
81
82#endif
83