1 //===-- RISCVTargetMachine.h - Define TargetMachine for RISCV ---*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file declares the RISCV specific subclass of TargetMachine.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_LIB_TARGET_RISCV_RISCVTARGETMACHINE_H
15 #define LLVM_LIB_TARGET_RISCV_RISCVTARGETMACHINE_H
16 
17 #include "MCTargetDesc/RISCVMCTargetDesc.h"
18 #include "RISCVSubtarget.h"
19 #include "llvm/CodeGen/SelectionDAGTargetInfo.h"
20 #include "llvm/IR/DataLayout.h"
21 #include "llvm/Target/TargetMachine.h"
22 
23 namespace llvm {
24 class RISCVTargetMachine : public LLVMTargetMachine {
25   std::unique_ptr<TargetLoweringObjectFile> TLOF;
26   RISCVSubtarget Subtarget;
27 
28 public:
29   RISCVTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
30                      StringRef FS, const TargetOptions &Options,
31                      Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
32                      CodeGenOpt::Level OL, bool JIT);
33 
getSubtargetImpl(const Function &)34   const RISCVSubtarget *getSubtargetImpl(const Function &) const override {
35     return &Subtarget;
36   }
37 
38   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
39 
getObjFileLowering()40   TargetLoweringObjectFile *getObjFileLowering() const override {
41     return TLOF.get();
42   }
43 };
44 }
45 
46 #endif
47