xref: /freebsd/contrib/llvm-project/llvm/lib/Target/Hexagon/HexagonTargetMachine.h (revision 5d6d6278979b9eab598a23c804d23e930d2f7268)
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/Target/TargetMachine.h"
20 #include <optional>
21 
22 namespace llvm {
23 
24 class HexagonTargetMachine : public LLVMTargetMachine {
25   std::unique_ptr<TargetLoweringObjectFile> TLOF;
26   mutable StringMap<std::unique_ptr<HexagonSubtarget>> SubtargetMap;
27 
28 public:
29   HexagonTargetMachine(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, CodeGenOptLevel OL,
33                        bool JIT);
34   ~HexagonTargetMachine() override;
35   const HexagonSubtarget *getSubtargetImpl(const Function &F) const override;
36 
37   void registerPassBuilderCallbacks(PassBuilder &PB,
38                                     bool PopulateClassToPassNames) 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 
51 } // end namespace llvm
52 
53 #endif
54