1//=- LoongArchTargetMachine.h - Define TargetMachine for LoongArch -*- 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 LoongArch specific subclass of TargetMachine.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETMACHINE_H
14#define LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETMACHINE_H
15
16#include "LoongArchSubtarget.h"
17#include "llvm/CodeGen/CodeGenTargetMachineImpl.h"
18#include <optional>
19
20namespace llvm {
21
22class LoongArchTargetMachine : public CodeGenTargetMachineImpl {
23 std::unique_ptr<TargetLoweringObjectFile> TLOF;
24 mutable StringMap<std::unique_ptr<LoongArchSubtarget>> SubtargetMap;
25
26public:
27 LoongArchTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
28 StringRef FS, const TargetOptions &Options,
29 std::optional<Reloc::Model> RM,
30 std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
31 bool JIT);
32 ~LoongArchTargetMachine() override;
33
34 TargetTransformInfo getTargetTransformInfo(const Function &F) const override;
35 const LoongArchSubtarget *getSubtargetImpl(const Function &F) const override;
36 const LoongArchSubtarget *getSubtargetImpl() const = delete;
37
38 // Pass Pipeline Configuration
39 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
40
41 TargetLoweringObjectFile *getObjFileLowering() const override {
42 return TLOF.get();
43 }
44
45 MachineFunctionInfo *
46 createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,
47 const TargetSubtargetInfo *STI) const override;
48
49 // Addrspacecasts are always noops.
50 bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override {
51 return true;
52 }
53};
54
55} // end namespace llvm
56
57#endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETMACHINE_H
58