1//==-- AArch64TargetMachine.h - Define TargetMachine for AArch64 -*- C++ -*-==//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file declares the AArch64 specific subclass of TargetMachine.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_AARCH64_AARCH64TARGETMACHINE_H
15#define LLVM_LIB_TARGET_AARCH64_AARCH64TARGETMACHINE_H
16
17#include "AArch64InstrInfo.h"
18#include "AArch64Subtarget.h"
19#include "llvm/IR/DataLayout.h"
20#include "llvm/Target/TargetMachine.h"
21
22namespace llvm {
23
24class AArch64TargetMachine : public LLVMTargetMachine {
25protected:
26  std::unique_ptr<TargetLoweringObjectFile> TLOF;
27  mutable StringMap<std::unique_ptr<AArch64Subtarget>> SubtargetMap;
28
29public:
30  AArch64TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
31                       StringRef FS, const TargetOptions &Options,
32                       Reloc::Model RM, CodeModel::Model CM,
33                       CodeGenOpt::Level OL, bool IsLittleEndian);
34
35  ~AArch64TargetMachine() override;
36  const AArch64Subtarget *getSubtargetImpl(const Function &F) const override;
37
38  // Pass Pipeline Configuration
39  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
40
41  /// \brief Get the TargetIRAnalysis for this target.
42  TargetIRAnalysis getTargetIRAnalysis() override;
43
44  TargetLoweringObjectFile* getObjFileLowering() const override {
45    return TLOF.get();
46  }
47
48private:
49  bool isLittle;
50};
51
52// AArch64leTargetMachine - AArch64 little endian target machine.
53//
54class AArch64leTargetMachine : public AArch64TargetMachine {
55  virtual void anchor();
56public:
57  AArch64leTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
58                         StringRef FS, const TargetOptions &Options,
59                         Reloc::Model RM, CodeModel::Model CM,
60                         CodeGenOpt::Level OL);
61};
62
63// AArch64beTargetMachine - AArch64 big endian target machine.
64//
65class AArch64beTargetMachine : public AArch64TargetMachine {
66  virtual void anchor();
67public:
68  AArch64beTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
69                         StringRef FS, const TargetOptions &Options,
70                         Reloc::Model RM, CodeModel::Model CM,
71                         CodeGenOpt::Level OL);
72};
73
74} // end namespace llvm
75
76#endif
77