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//=- LoongArchTargetMachine.h - Define TargetMachine for LoongArch -*- C++ -*-//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file declares the LoongArch specific subclass of TargetMachine.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETMACHINE_H
#define LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETMACHINE_H
#include "LoongArchSubtarget.h"
#include "llvm/Target/TargetMachine.h"
#include <optional>
namespace llvm {
class LoongArchTargetMachine : public LLVMTargetMachine {
std::unique_ptr<TargetLoweringObjectFile> TLOF;
mutable StringMap<std::unique_ptr<LoongArchSubtarget>> SubtargetMap;
public:
LoongArchTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
StringRef FS, const TargetOptions &Options,
std::optional<Reloc::Model> RM,
std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
bool JIT);
~LoongArchTargetMachine() override;
TargetTransformInfo getTargetTransformInfo(const Function &F) const override;
const LoongArchSubtarget *getSubtargetImpl(const Function &F) const override;
const LoongArchSubtarget *getSubtargetImpl() const = delete;
// Pass Pipeline Configuration
TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
TargetLoweringObjectFile *getObjFileLowering() const override {
return TLOF.get();
}
MachineFunctionInfo *
createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,
const TargetSubtargetInfo *STI) const override;
// Addrspacecasts are always noops.
bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override {
return true;
}
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETMACHINE_H
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