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e01dc73ad2
All these headers already depend on CodeGen headers so moving them into CodeGen fixes the layering (since CodeGen depends on Target, not the other way around). llvm-svn: 318490
119 lines
3.9 KiB
C++
119 lines
3.9 KiB
C++
//===-- AVRSubtarget.h - Define Subtarget for the AVR -----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the AVR specific subclass of TargetSubtargetInfo.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_AVR_SUBTARGET_H
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#define LLVM_AVR_SUBTARGET_H
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#include "llvm/CodeGen/TargetSubtargetInfo.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/Target/TargetMachine.h"
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#include "AVRFrameLowering.h"
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#include "AVRISelLowering.h"
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#include "AVRInstrInfo.h"
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#include "AVRSelectionDAGInfo.h"
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#define GET_SUBTARGETINFO_HEADER
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#include "AVRGenSubtargetInfo.inc"
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namespace llvm {
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/// A specific AVR target MCU.
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class AVRSubtarget : public AVRGenSubtargetInfo {
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public:
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//! Creates an AVR subtarget.
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//! \param TT The target triple.
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//! \param CPU The CPU to target.
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//! \param FS The feature string.
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//! \param TM The target machine.
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AVRSubtarget(const Triple &TT, const std::string &CPU, const std::string &FS,
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AVRTargetMachine &TM);
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const AVRInstrInfo *getInstrInfo() const override { return &InstrInfo; }
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const TargetFrameLowering *getFrameLowering() const override { return &FrameLowering; }
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const AVRTargetLowering *getTargetLowering() const override { return &TLInfo; }
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const AVRSelectionDAGInfo *getSelectionDAGInfo() const override { return &TSInfo; }
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const AVRRegisterInfo *getRegisterInfo() const override { return &InstrInfo.getRegisterInfo(); }
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/// Parses a subtarget feature string, setting appropriate options.
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/// \note Definition of function is auto generated by `tblgen`.
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void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
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// Subtarget feature getters.
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// See AVR.td for details.
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bool hasSRAM() const { return m_hasSRAM; }
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bool hasJMPCALL() const { return m_hasJMPCALL; }
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bool hasIJMPCALL() const { return m_hasIJMPCALL; }
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bool hasEIJMPCALL() const { return m_hasEIJMPCALL; }
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bool hasADDSUBIW() const { return m_hasADDSUBIW; }
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bool hasSmallStack() const { return m_hasSmallStack; }
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bool hasMOVW() const { return m_hasMOVW; }
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bool hasLPM() const { return m_hasLPM; }
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bool hasLPMX() const { return m_hasLPMX; }
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bool hasELPM() const { return m_hasELPM; }
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bool hasELPMX() const { return m_hasELPMX; }
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bool hasSPM() const { return m_hasSPM; }
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bool hasSPMX() const { return m_hasSPMX; }
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bool hasDES() const { return m_hasDES; }
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bool supportsRMW() const { return m_supportsRMW; }
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bool supportsMultiplication() const { return m_supportsMultiplication; }
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bool hasBREAK() const { return m_hasBREAK; }
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bool hasTinyEncoding() const { return m_hasTinyEncoding; }
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/// Gets the ELF architecture for the e_flags field
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/// of an ELF object file.
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unsigned getELFArch() const {
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assert(ELFArch != 0 &&
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"every device must have an associate ELF architecture");
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return ELFArch;
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}
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private:
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AVRInstrInfo InstrInfo;
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AVRFrameLowering FrameLowering;
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AVRTargetLowering TLInfo;
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AVRSelectionDAGInfo TSInfo;
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// Subtarget feature settings
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// See AVR.td for details.
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bool m_hasSRAM;
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bool m_hasJMPCALL;
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bool m_hasIJMPCALL;
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bool m_hasEIJMPCALL;
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bool m_hasADDSUBIW;
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bool m_hasSmallStack;
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bool m_hasMOVW;
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bool m_hasLPM;
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bool m_hasLPMX;
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bool m_hasELPM;
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bool m_hasELPMX;
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bool m_hasSPM;
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bool m_hasSPMX;
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bool m_hasDES;
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bool m_supportsRMW;
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bool m_supportsMultiplication;
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bool m_hasBREAK;
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bool m_hasTinyEncoding;
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/// The ELF e_flags architecture.
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unsigned ELFArch;
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// Dummy member, used by FeatureSet's. We cannot have a SubtargetFeature with
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// no variable, so we instead bind pseudo features to this variable.
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bool m_FeatureSetDummy;
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};
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} // end namespace llvm
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#endif // LLVM_AVR_SUBTARGET_H
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