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73624b6ac4
This enables targets to adapt their pass pipeline to the register allocator in use. For example, with the AArch64 backend, using PBQP with the cortex-a57, the FPLoadBalancing pass is no longer necessary. llvm-svn: 220321
75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
//==-- AArch64TargetMachine.h - Define TargetMachine for AArch64 -*- C++ -*-==//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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 AArch64TargetMachine : public LLVMTargetMachine {
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protected:
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AArch64Subtarget Subtarget;
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mutable StringMap<std::unique_ptr<AArch64Subtarget>> SubtargetMap;
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public:
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AArch64TargetMachine(const Target &T, StringRef TT, StringRef CPU,
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StringRef FS, const TargetOptions &Options,
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Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL, bool IsLittleEndian);
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const AArch64Subtarget *getSubtargetImpl() const override {
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return &Subtarget;
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}
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const AArch64Subtarget *getSubtargetImpl(const Function &F) const override;
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// Pass Pipeline Configuration
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TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
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/// \brief Register AArch64 analysis passes with a pass manager.
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void addAnalysisPasses(PassManagerBase &PM) override;
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private:
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bool isLittle;
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};
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// AArch64leTargetMachine - 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, StringRef TT, StringRef CPU,
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StringRef FS, const TargetOptions &Options,
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Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL);
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};
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// AArch64beTargetMachine - 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, StringRef TT, StringRef CPU,
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StringRef FS, const TargetOptions &Options,
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Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL);
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};
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} // end namespace llvm
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#endif
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