1//=-- HexagonTargetMachine.h - Define TargetMachine for Hexagon ---*- 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 Hexagon specific subclass of TargetMachine.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETMACHINE_H
14#define LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETMACHINE_H
15
16#include "HexagonInstrInfo.h"
17#include "HexagonSubtarget.h"
18#include "HexagonTargetObjectFile.h"
19#include "llvm/Target/TargetMachine.h"
20#include <optional>
21
22namespace llvm {
23
24class HexagonTargetMachine : public LLVMTargetMachine {
25  std::unique_ptr<TargetLoweringObjectFile> TLOF;
26  mutable StringMap<std::unique_ptr<HexagonSubtarget>> SubtargetMap;
27
28public:
29  HexagonTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
30                       StringRef FS, const TargetOptions &Options,
31                       std::optional<Reloc::Model> RM,
32                       std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
33                       bool JIT);
34  ~HexagonTargetMachine() override;
35  const HexagonSubtarget *getSubtargetImpl(const Function &F) const override;
36
37  void registerPassBuilderCallbacks(PassBuilder &PB,
38                                    bool PopulateClassToPassNames) override;
39  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
40  TargetTransformInfo getTargetTransformInfo(const Function &F) const override;
41
42  HexagonTargetObjectFile *getObjFileLowering() const override {
43    return static_cast<HexagonTargetObjectFile*>(TLOF.get());
44  }
45
46  MachineFunctionInfo *
47  createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,
48                            const TargetSubtargetInfo *STI) const override;
49};
50
51} // end namespace llvm
52
53#endif
54