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//===-- RISCVTargetMachine.h - Define TargetMachine for RISCV ---*- C++ -*-===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// This file declares the RISCV specific subclass of TargetMachine.
#include "MCTargetDesc/RISCVMCTargetDesc.h"
#include "RISCVSubtarget.h"
#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/Target/TargetMachine.h"
namespace llvm {
class RISCVTargetMachine : public LLVMTargetMachine {
std::unique_ptr<TargetLoweringObjectFile> TLOF;
mutable StringMap<std::unique_ptr<RISCVSubtarget>> SubtargetMap;
RISCVTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
StringRef FS, const TargetOptions &Options,
Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
CodeGenOpt::Level OL, bool JIT);
const RISCVSubtarget *getSubtargetImpl(const Function &F) const override;
// DO NOT IMPLEMENT: There is no such thing as a valid default subtarget,
// subtargets are per-function entities based on the target-specific
// attributes of each function.
const RISCVSubtarget *getSubtargetImpl() const = delete;
TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
TargetLoweringObjectFile *getObjFileLowering() const override {
return TLOF.get();
TargetTransformInfo getTargetTransformInfo(const Function &F) override;
virtual bool isNoopAddrSpaceCast(unsigned SrcAS,
unsigned DstAS) const override;
} // namespace llvm