1 //===- ARCTargetMachine.h - Define TargetMachine for ARC --------*- 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 ARC specific subclass of TargetMachine.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_ARC_ARCTARGETMACHINE_H
14 #define LLVM_LIB_TARGET_ARC_ARCTARGETMACHINE_H
15 
16 #include "ARCSubtarget.h"
17 #include "llvm/Target/TargetMachine.h"
18 #include <optional>
19 
20 namespace llvm {
21 
22 class TargetPassConfig;
23 
24 class ARCTargetMachine : public LLVMTargetMachine {
25   std::unique_ptr<TargetLoweringObjectFile> TLOF;
26   ARCSubtarget Subtarget;
27 
28 public:
29   ARCTargetMachine(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, CodeGenOpt::Level OL,
33                    bool JIT);
34   ~ARCTargetMachine() override;
35 
36   const ARCSubtarget *getSubtargetImpl() const { return &Subtarget; }
37   const ARCSubtarget *getSubtargetImpl(const Function &) const override {
38     return &Subtarget;
39   }
40 
41   // Pass Pipeline Configuration
42   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
43 
44   TargetTransformInfo getTargetTransformInfo(const Function &F) const override;
45   TargetLoweringObjectFile *getObjFileLowering() const override {
46     return TLOF.get();
47   }
48 
49   MachineFunctionInfo *
50   createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,
51                             const TargetSubtargetInfo *STI) const override;
52 };
53 
54 } // end namespace llvm
55 
56 #endif // LLVM_LIB_TARGET_ARC_ARCTARGETMACHINE_H
57