llvm-mirror/lib/Target/AVR/AVRSubtarget.h
David Blaikie e01dc73ad2 Fix a bunch more layering of CodeGen headers that are in Target
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
2017-11-17 01:07:10 +00:00

119 lines
3.9 KiB
C++

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