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I believe the role of ehDataReg has been replaced by MipsABIInfo::GetEhDataReg, thus removing the dead code. Patch By: Wei-Ren Chen. Reviewers: ehostunreach, sdardis Differential Revision: https://reviews.llvm.org/D44867 llvm-svn: 328767
54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
//===- MipsSEFrameLowering.h - Mips32/64 frame lowering ---------*- 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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#ifndef LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H
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#define LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H
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#include "MipsFrameLowering.h"
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#include <vector>
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namespace llvm {
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class MachineBasicBlock;
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class MachineFunction;
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class MipsSubtarget;
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class MipsSEFrameLowering : public MipsFrameLowering {
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public:
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explicit MipsSEFrameLowering(const MipsSubtarget &STI);
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/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
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/// the function.
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void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
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void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
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int getFrameIndexReference(const MachineFunction &MF, int FI,
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unsigned &FrameReg) const override;
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bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MI,
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const std::vector<CalleeSavedInfo> &CSI,
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const TargetRegisterInfo *TRI) const override;
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bool hasReservedCallFrame(const MachineFunction &MF) const override;
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void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
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RegScavenger *RS) const override;
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private:
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void emitInterruptEpilogueStub(MachineFunction &MF,
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MachineBasicBlock &MBB) const;
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void emitInterruptPrologueStub(MachineFunction &MF,
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MachineBasicBlock &MBB) const;
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};
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H
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