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 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 78