1 //===-- MSP430Subtarget.h - Define Subtarget for the MSP430 ----*- 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 declares the MSP430 specific subclass of TargetSubtargetInfo. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_LIB_TARGET_MSP430_MSP430SUBTARGET_H 15 #define LLVM_LIB_TARGET_MSP430_MSP430SUBTARGET_H 16 17 #include "MSP430FrameLowering.h" 18 #include "MSP430ISelLowering.h" 19 #include "MSP430InstrInfo.h" 20 #include "MSP430RegisterInfo.h" 21 #include "llvm/CodeGen/SelectionDAGTargetInfo.h" 22 #include "llvm/CodeGen/TargetSubtargetInfo.h" 23 #include "llvm/IR/DataLayout.h" 24 #include <string> 25 26 #define GET_SUBTARGETINFO_HEADER 27 #include "MSP430GenSubtargetInfo.inc" 28 29 namespace llvm { 30 class StringRef; 31 32 class MSP430Subtarget : public MSP430GenSubtargetInfo { 33 public: 34 enum HWMultEnum { 35 NoHWMult, HWMult16, HWMult32, HWMultF5 36 }; 37 38 private: 39 virtual void anchor(); 40 bool ExtendedInsts; 41 HWMultEnum HWMultMode; 42 MSP430FrameLowering FrameLowering; 43 MSP430InstrInfo InstrInfo; 44 MSP430TargetLowering TLInfo; 45 SelectionDAGTargetInfo TSInfo; 46 47 public: 48 /// This constructor initializes the data members to match that 49 /// of the specified triple. 50 /// 51 MSP430Subtarget(const Triple &TT, const std::string &CPU, 52 const std::string &FS, const TargetMachine &TM); 53 54 MSP430Subtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS); 55 56 /// ParseSubtargetFeatures - Parses features string setting specified 57 /// subtarget options. Definition of function is auto generated by tblgen. 58 void ParseSubtargetFeatures(StringRef CPU, StringRef FS); 59 hasHWMult16()60 bool hasHWMult16() const { return HWMultMode == HWMult16; } hasHWMult32()61 bool hasHWMult32() const { return HWMultMode == HWMult32; } hasHWMultF5()62 bool hasHWMultF5() const { return HWMultMode == HWMultF5; } 63 getFrameLowering()64 const TargetFrameLowering *getFrameLowering() const override { 65 return &FrameLowering; 66 } getInstrInfo()67 const MSP430InstrInfo *getInstrInfo() const override { return &InstrInfo; } getRegisterInfo()68 const TargetRegisterInfo *getRegisterInfo() const override { 69 return &InstrInfo.getRegisterInfo(); 70 } getTargetLowering()71 const MSP430TargetLowering *getTargetLowering() const override { 72 return &TLInfo; 73 } getSelectionDAGInfo()74 const SelectionDAGTargetInfo *getSelectionDAGInfo() const override { 75 return &TSInfo; 76 } 77 }; 78 } // End llvm namespace 79 80 #endif // LLVM_TARGET_MSP430_SUBTARGET_H 81