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llvm-mirror/lib/Target/AArch64/AArch64TargetMachine.h
Matthias Braun 6cdc04a20c Revert "TargetMachine: Merge TargetMachine and LLVMTargetMachine"
Reverting to investigate layering effects of MCJIT not linking
libCodeGen but using TargetMachine::getNameWithPrefix() breaking the
lldb bots.

This reverts commit r315633.

llvm-svn: 315637
2017-10-12 22:57:28 +00:00

85 lines
2.8 KiB
C++

//==-- AArch64TargetMachine.h - Define TargetMachine for AArch64 -*- 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 AArch64 specific subclass of TargetMachine.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AARCH64_AARCH64TARGETMACHINE_H
#define LLVM_LIB_TARGET_AARCH64_AARCH64TARGETMACHINE_H
#include "AArch64InstrInfo.h"
#include "AArch64Subtarget.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/Target/TargetMachine.h"
namespace llvm {
class AArch64RegisterBankInfo;
class AArch64TargetMachine : public LLVMTargetMachine {
protected:
std::unique_ptr<TargetLoweringObjectFile> TLOF;
mutable StringMap<std::unique_ptr<AArch64Subtarget>> SubtargetMap;
public:
AArch64TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
StringRef FS, const TargetOptions &Options,
Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
CodeGenOpt::Level OL, bool JIT, bool IsLittleEndian);
~AArch64TargetMachine() override;
const AArch64Subtarget *getSubtargetImpl(const Function &F) const override;
// DO NOT IMPLEMENT: There is no such thing as a valid default subtarget,
// subtargets are per-function entities based on the target-specific
// attributes of each function.
const AArch64Subtarget *getSubtargetImpl() const = delete;
// Pass Pipeline Configuration
TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
/// \brief Get the TargetIRAnalysis for this target.
TargetIRAnalysis getTargetIRAnalysis() override;
TargetLoweringObjectFile* getObjFileLowering() const override {
return TLOF.get();
}
private:
bool isLittle;
};
// AArch64 little endian target machine.
//
class AArch64leTargetMachine : public AArch64TargetMachine {
virtual void anchor();
public:
AArch64leTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
StringRef FS, const TargetOptions &Options,
Optional<Reloc::Model> RM,
Optional<CodeModel::Model> CM, CodeGenOpt::Level OL,
bool JIT);
};
// AArch64 big endian target machine.
//
class AArch64beTargetMachine : public AArch64TargetMachine {
virtual void anchor();
public:
AArch64beTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
StringRef FS, const TargetOptions &Options,
Optional<Reloc::Model> RM,
Optional<CodeModel::Model> CM, CodeGenOpt::Level OL,
bool JIT);
};
} // end namespace llvm
#endif