1//=- SystemZTargetMachine.h - Define TargetMachine for SystemZ ----*- C++ -*-=//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file declares the SystemZ specific subclass of TargetMachine.
10//
11//===----------------------------------------------------------------------===//
12
13
14#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
15#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
16
17#include "SystemZSubtarget.h"
18#include "llvm/ADT/Optional.h"
19#include "llvm/ADT/StringRef.h"
20#include "llvm/Analysis/TargetTransformInfo.h"
21#include "llvm/Support/CodeGen.h"
22#include "llvm/Target/TargetMachine.h"
23#include <memory>
24
25namespace llvm {
26
27class SystemZTargetMachine : public LLVMTargetMachine {
28  std::unique_ptr<TargetLoweringObjectFile> TLOF;
29  SystemZSubtarget Subtarget;
30
31public:
32  SystemZTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
33                       StringRef FS, const TargetOptions &Options,
34                       Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
35                       CodeGenOpt::Level OL, bool JIT);
36  ~SystemZTargetMachine() override;
37
38  const SystemZSubtarget *getSubtargetImpl() const { return &Subtarget; }
39
40  const SystemZSubtarget *getSubtargetImpl(const Function &) const override {
41    return &Subtarget;
42  }
43
44  // Override LLVMTargetMachine
45  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
46  TargetTransformInfo getTargetTransformInfo(const Function &F) override;
47
48  TargetLoweringObjectFile *getObjFileLowering() const override {
49    return TLOF.get();
50  }
51
52  bool targetSchedulesPostRAScheduling() const override { return true; };
53};
54
55} // end namespace llvm
56
57#endif // LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
58