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e835e58da7
It was doing the same as the base implementation and was irritating me when I was searching for backends that have custom behavior for canRealignStack. llvm-svn: 301495
59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
//===- LanaiRegisterInfo.h - Lanai Register Information Impl ----*- 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 contains the Lanai implementation of the TargetRegisterInfo class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H
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#define LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H
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#include "llvm/Target/TargetRegisterInfo.h"
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#define GET_REGINFO_HEADER
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#include "LanaiGenRegisterInfo.inc"
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namespace llvm {
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struct LanaiRegisterInfo : public LanaiGenRegisterInfo {
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LanaiRegisterInfo();
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const uint32_t *getCallPreservedMask(const MachineFunction &MF,
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CallingConv::ID) const override;
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// Code Generation virtual methods.
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const uint16_t *
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getCalleeSavedRegs(const MachineFunction *MF = nullptr) const override;
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BitVector getReservedRegs(const MachineFunction &MF) const override;
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bool requiresRegisterScavenging(const MachineFunction &MF) const override;
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bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override;
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void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj,
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unsigned FIOperandNum,
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RegScavenger *RS = nullptr) const override;
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// Debug information queries.
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unsigned getRARegister() const;
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unsigned getFrameRegister(const MachineFunction &MF) const override;
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unsigned getBaseRegister() const;
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bool hasBasePointer(const MachineFunction &MF) const;
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// Exception handling queries.
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unsigned getEHExceptionRegister() const;
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unsigned getEHHandlerRegister() const;
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int getDwarfRegNum(unsigned RegNum, bool IsEH) const;
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};
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H
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