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/CodeGen/CodeGenTargetMachineImpl.h"
20#include <optional>
21
22namespace llvm {
23
24class HexagonTargetMachine : public CodeGenTargetMachineImpl {
25 std::unique_ptr<TargetLoweringObjectFile> TLOF;
26 HexagonSubtarget Subtarget;
27 mutable StringMap<std::unique_ptr<HexagonSubtarget>> SubtargetMap;
28
29public:
30 HexagonTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
31 StringRef FS, const TargetOptions &Options,
32 std::optional<Reloc::Model> RM,
33 std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
34 bool JIT);
35 ~HexagonTargetMachine() override;
36 const HexagonSubtarget *getSubtargetImpl(const Function &F) const override;
37
38 void registerPassBuilderCallbacks(PassBuilder &PB) 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 bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override {
51 return true;
52 }
53 ScheduleDAGInstrs *
54 createMachineScheduler(MachineSchedContext *C) const override;
55};
56
57} // end namespace llvm
58
59#endif
60