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 | |
21 | namespace llvm { |
22 | |
23 | class CSKYTargetMachine : public LLVMTargetMachine { |
24 | std::unique_ptr<TargetLoweringObjectFile> TLOF; |
25 | mutable StringMap<std::unique_ptr<CSKYSubtarget>> SubtargetMap; |
26 | |
27 | public: |
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 | |