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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
//==-- AArch64TargetMachine.h - Define TargetMachine for AArch64 -*- C++ -*-==//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the AArch64 specific subclass of TargetMachine.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_AARCH64_AARCH64TARGETMACHINE_H
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#define LLVM_LIB_TARGET_AARCH64_AARCH64TARGETMACHINE_H
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#include "AArch64InstrInfo.h"
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#include "AArch64Subtarget.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/Target/TargetMachine.h"
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namespace llvm {
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class AArch64RegisterBankInfo;
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class AArch64TargetMachine : public LLVMTargetMachine {
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protected:
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std::unique_ptr<TargetLoweringObjectFile> TLOF;
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mutable StringMap<std::unique_ptr<AArch64Subtarget>> SubtargetMap;
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public:
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AArch64TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
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StringRef FS, const TargetOptions &Options,
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Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
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CodeGenOpt::Level OL, bool JIT, bool IsLittleEndian);
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~AArch64TargetMachine() override;
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const AArch64Subtarget *getSubtargetImpl(const Function &F) const override;
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// DO NOT IMPLEMENT: There is no such thing as a valid default subtarget,
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// subtargets are per-function entities based on the target-specific
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// attributes of each function.
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const AArch64Subtarget *getSubtargetImpl() const = delete;
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// Pass Pipeline Configuration
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TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
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TargetTransformInfo getTargetTransformInfo(const Function &F) override;
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TargetLoweringObjectFile* getObjFileLowering() const override {
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return TLOF.get();
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}
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private:
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bool isLittle;
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};
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// AArch64 little endian target machine.
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//
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class AArch64leTargetMachine : public AArch64TargetMachine {
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virtual void anchor();
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public:
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AArch64leTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
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StringRef FS, const TargetOptions &Options,
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Optional<Reloc::Model> RM,
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Optional<CodeModel::Model> CM, CodeGenOpt::Level OL,
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bool JIT);
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};
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// AArch64 big endian target machine.
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//
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class AArch64beTargetMachine : public AArch64TargetMachine {
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virtual void anchor();
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public:
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AArch64beTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
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StringRef FS, const TargetOptions &Options,
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Optional<Reloc::Model> RM,
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Optional<CodeModel::Model> CM, CodeGenOpt::Level OL,
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bool JIT);
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};
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} // end namespace llvm
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#endif
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