1 //=-- Hexagon.h - Top-level interface for Hexagon representation --*- C++ -*-=//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains the entry points for global functions defined in the LLVM
13 //===----------------------------------------------------------------------===//
15 #ifndef TARGET_Hexagon_H
16 #define TARGET_Hexagon_H
18 #include "MCTargetDesc/HexagonMCTargetDesc.h"
19 #include "llvm/Target/TargetLowering.h"
20 #include "llvm/Target/TargetMachine.h"
27 class HexagonAsmPrinter;
28 class HexagonTargetMachine;
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);
37 FunctionPass *createHexagonSplitTFRCondSets(HexagonTargetMachine &TM);
38 FunctionPass *createHexagonExpandPredSpillCode(HexagonTargetMachine &TM);
40 FunctionPass *createHexagonHardwareLoops();
41 FunctionPass *createHexagonPeephole();
42 FunctionPass *createHexagonFixupHwLoops();
43 FunctionPass *createHexagonPacketizer();
45 /* TODO: object output.
46 MCCodeEmitter *createHexagonMCCodeEmitter(const Target &,
50 /* TODO: assembler input.
51 TargetAsmBackend *createHexagonAsmBackend(const Target &, const std::string &);
53 void HexagonLowerToMC(const MachineInstr *MI, MCInst &MCI,
54 HexagonAsmPrinter &AP);
55 } // end namespace llvm;
57 #define Hexagon_POINTER_SIZE 4
59 #define Hexagon_PointerSize (Hexagon_POINTER_SIZE)
60 #define Hexagon_PointerSize_Bits (Hexagon_POINTER_SIZE * 8)
61 #define Hexagon_WordSize Hexagon_PointerSize
62 #define Hexagon_WordSize_Bits Hexagon_PointerSize_Bits
64 // allocframe saves LR and FP on stack before allocating
65 // a new stack frame. This takes 8 bytes.
66 #define HEXAGON_LRFP_SIZE 8
68 // Normal instruction size (in bytes).
69 #define HEXAGON_INSTR_SIZE 4
71 // Maximum number of words in a packet (in instructions).
72 #define HEXAGON_PACKET_SIZE 4