llvm::SystemZRegisterInfo Struct Reference

#include <SystemZRegisterInfo.h>

Inheritance diagram for llvm::SystemZRegisterInfo:

Collaboration diagram for llvm::SystemZRegisterInfo:

Public Member Functions
	SystemZRegisterInfo (SystemZTargetMachine &tm)
virtual bool	requiresRegisterScavenging (const MachineFunction &MF) const LLVM_OVERRIDE
virtual bool	requiresFrameIndexScavenging (const MachineFunction &MF) const LLVM_OVERRIDE
virtual bool	trackLivenessAfterRegAlloc (const MachineFunction &MF) const LLVM_OVERRIDE
virtual const uint16_t *	getCalleeSavedRegs (const MachineFunction *MF=0) const LLVM_OVERRIDE
virtual BitVector	getReservedRegs (const MachineFunction &MF) const LLVM_OVERRIDE
virtual void	eliminateFrameIndex (MachineBasicBlock::iterator MI, int SPAdj, unsigned FIOperandNum, RegScavenger *RS) const LLVM_OVERRIDE
virtual unsigned	getFrameRegister (const MachineFunction &MF) const LLVM_OVERRIDE

Detailed Description

Definition at line 35 of file SystemZRegisterInfo.h.

Constructor & Destructor Documentation

SystemZRegisterInfo::SystemZRegisterInfo

(

SystemZTargetMachine &

tm

)

Definition at line 20 of file SystemZRegisterInfo.cpp.

Member Function Documentation

void SystemZRegisterInfo::eliminateFrameIndex ( MachineBasicBlock::iterator  MI, int  SPAdj, unsigned  FIOperandNum, RegScavenger *  RS  ) const

virtual

Definition at line 59 of file SystemZRegisterInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::MachineOperand::ChangeToRegister(), llvm::MachineRegisterInfo::createVirtualRegister(), llvm::ISD::FrameIndex, llvm::TargetFrameLowering::getFrameIndexOffset(), llvm::TargetMachine::getFrameLowering(), getFrameRegister(), llvm::SystemZTargetMachine::getInstrInfo(), llvm::SystemZInstrInfo::getOpcodeForOffset(), llvm::MachineInstr::getOperand(), llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getRegInfo(), llvm::MachineFunction::getTarget(), llvm::SystemZII::HasIndex, llvm::RegState::Kill, llvm::SystemZInstrInfo::loadImmediate(), and TII.

const uint16_t * SystemZRegisterInfo::getCalleeSavedRegs ( const MachineFunction *  MF = 0 ) const

virtual

Definition at line 24 of file SystemZRegisterInfo.cpp.

unsigned SystemZRegisterInfo::getFrameRegister ( const MachineFunction &  MF ) const

virtual

Definition at line 138 of file SystemZRegisterInfo.cpp.

References llvm::TargetMachine::getFrameLowering(), llvm::MachineFunction::getTarget(), and llvm::TargetFrameLowering::hasFP().

Referenced by eliminateFrameIndex().

BitVector SystemZRegisterInfo::getReservedRegs ( const MachineFunction &  MF ) const

virtual

Definition at line 38 of file SystemZRegisterInfo.cpp.

References llvm::TargetMachine::getFrameLowering(), llvm::MachineFunction::getTarget(), llvm::TargetFrameLowering::hasFP(), and llvm::BitVector::set().

virtual bool llvm::SystemZRegisterInfo::requiresFrameIndexScavenging ( const MachineFunction &  MF ) const

inlinevirtual

Definition at line 47 of file SystemZRegisterInfo.h.

virtual bool llvm::SystemZRegisterInfo::requiresRegisterScavenging ( const MachineFunction &  MF ) const

inlinevirtual

Definition at line 43 of file SystemZRegisterInfo.h.

virtual bool llvm::SystemZRegisterInfo::trackLivenessAfterRegAlloc ( const MachineFunction &  MF ) const

inlinevirtual

Definition at line 51 of file SystemZRegisterInfo.h.

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The documentation for this struct was generated from the following files:

• SystemZRegisterInfo.h
• SystemZRegisterInfo.cpp