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//===-- MipsTargetMachine.h - Define TargetMachine for Mips -----*- 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 Mips specific subclass of TargetMachine.
//
//===----------------------------------------------------------------------===//
#ifndef MIPSTARGETMACHINE_H
#define MIPSTARGETMACHINE_H
#include "MipsSubtarget.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/SelectionDAGISel.h"
#include "llvm/Target/TargetFrameLowering.h"
#include "llvm/Target/TargetMachine.h"
namespace llvm {
class formatted_raw_ostream;
class MipsRegisterInfo;
class MipsTargetMachine : public LLVMTargetMachine {
MipsSubtarget *Subtarget;
MipsSubtarget DefaultSubtarget;
MipsSubtarget NoMips16Subtarget;
MipsSubtarget Mips16Subtarget;
public:
MipsTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
const TargetOptions &Options, Reloc::Model RM,
CodeModel::Model CM, CodeGenOpt::Level OL, bool isLittle);
virtual ~MipsTargetMachine() {}
void addAnalysisPasses(PassManagerBase &PM) override;
const MipsInstrInfo *getInstrInfo() const override {
return getSubtargetImpl()->getInstrInfo();
}
const TargetFrameLowering *getFrameLowering() const override {
return getSubtargetImpl()->getFrameLowering();
}
const MipsSubtarget *getSubtargetImpl() const override {
if (Subtarget)
return Subtarget;
return &DefaultSubtarget;
}
const InstrItineraryData *getInstrItineraryData() const override {
return Subtarget->inMips16Mode()
? nullptr
: &getSubtargetImpl()->getInstrItineraryData();
}
MipsJITInfo *getJITInfo() override {
return Subtarget->getJITInfo();
}
const MipsRegisterInfo *getRegisterInfo() const override {
return getSubtargetImpl()->getRegisterInfo();
}
const MipsTargetLowering *getTargetLowering() const override {
return getSubtargetImpl()->getTargetLowering();
}
const DataLayout *getDataLayout() const override {
return getSubtargetImpl()->getDataLayout();
}
const MipsSelectionDAGInfo* getSelectionDAGInfo() const override {
return getSubtargetImpl()->getSelectionDAGInfo();
}
/// \brief Reset the subtarget for the Mips target.
void resetSubtarget(MachineFunction *MF);
// Pass Pipeline Configuration
TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
bool addCodeEmitter(PassManagerBase &PM, JITCodeEmitter &JCE) override;
};
/// MipsebTargetMachine - Mips32/64 big endian target machine.
///
class MipsebTargetMachine : public MipsTargetMachine {
virtual void anchor();
public:
MipsebTargetMachine(const Target &T, StringRef TT,
StringRef CPU, StringRef FS, const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL);
};
/// MipselTargetMachine - Mips32/64 little endian target machine.
///
class MipselTargetMachine : public MipsTargetMachine {
virtual void anchor();
public:
MipselTargetMachine(const Target &T, StringRef TT,
StringRef CPU, StringRef FS, const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL);
};
} // End llvm namespace
#endif
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