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