1 //===-- MSP430Subtarget.h - Define Subtarget for the MSP430 ----*- C++ -*--===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // This file declares the MSP430 specific subclass of TargetSubtargetInfo.
11 //===----------------------------------------------------------------------===//
13 #ifndef LLVM_LIB_TARGET_MSP430_MSP430SUBTARGET_H
14 #define LLVM_LIB_TARGET_MSP430_MSP430SUBTARGET_H
16 #include "MSP430FrameLowering.h"
17 #include "MSP430ISelLowering.h"
18 #include "MSP430InstrInfo.h"
19 #include "MSP430RegisterInfo.h"
20 #include "llvm/CodeGen/SelectionDAGTargetInfo.h"
21 #include "llvm/CodeGen/TargetSubtargetInfo.h"
22 #include "llvm/IR/DataLayout.h"
25 #define GET_SUBTARGETINFO_HEADER
26 #include "MSP430GenSubtargetInfo.inc"
31 class MSP430Subtarget : public MSP430GenSubtargetInfo {
34 NoHWMult, HWMult16, HWMult32, HWMultF5
38 virtual void anchor();
39 bool ExtendedInsts = false;
40 HWMultEnum HWMultMode = NoHWMult;
41 MSP430FrameLowering FrameLowering;
42 MSP430InstrInfo InstrInfo;
43 MSP430TargetLowering TLInfo;
44 SelectionDAGTargetInfo TSInfo;
47 /// This constructor initializes the data members to match that
48 /// of the specified triple.
50 MSP430Subtarget(const Triple &TT, const std::string &CPU,
51 const std::string &FS, const TargetMachine &TM);
53 MSP430Subtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
55 /// ParseSubtargetFeatures - Parses features string setting specified
56 /// subtarget options. Definition of function is auto generated by tblgen.
57 void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
59 bool hasHWMult16() const { return HWMultMode == HWMult16; }
60 bool hasHWMult32() const { return HWMultMode == HWMult32; }
61 bool hasHWMultF5() const { return HWMultMode == HWMultF5; }
63 const TargetFrameLowering *getFrameLowering() const override {
64 return &FrameLowering;
66 const MSP430InstrInfo *getInstrInfo() const override { return &InstrInfo; }
67 const TargetRegisterInfo *getRegisterInfo() const override {
68 return &InstrInfo.getRegisterInfo();
70 const MSP430TargetLowering *getTargetLowering() const override {
73 const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
77 } // End llvm namespace
79 #endif // LLVM_TARGET_MSP430_SUBTARGET_H