1//===--- CSKYTargetMachine.h - Define TargetMachine for CSKY ----*- 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 CSKY specific subclass of TargetMachine.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_CSKY_CSKYTARGETMACHINE_H
14#define LLVM_LIB_TARGET_CSKY_CSKYTARGETMACHINE_H
15
16#include "CSKYSubtarget.h"
17#include "llvm/IR/DataLayout.h"
18#include "llvm/Target/TargetMachine.h"
19#include <optional>
20
21namespace llvm {
22
23class CSKYTargetMachine : public LLVMTargetMachine {
24 std::unique_ptr<TargetLoweringObjectFile> TLOF;
25 mutable StringMap<std::unique_ptr<CSKYSubtarget>> SubtargetMap;
26
27public:
28 CSKYTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
29 StringRef FS, const TargetOptions &Options,
30 std::optional<Reloc::Model> RM,
31 std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
32 bool JIT);
33
34 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
35
36 const CSKYSubtarget *getSubtargetImpl(const Function &F) const override;
37 // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget,
38 // subtargets are per-function entities based on the target-specific
39 // attributes of each function.
40 const CSKYSubtarget *getSubtargetImpl() const = delete;
41
42 TargetLoweringObjectFile *getObjFileLowering() const override {
43 return TLOF.get();
44 }
45
46 MachineFunctionInfo *
47 createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,
48 const TargetSubtargetInfo *STI) const override;
49};
50} // namespace llvm
51
52#endif
53

source code of llvm/lib/Target/CSKY/CSKYTargetMachine.h