#include "Target/Mips/Mips16RegisterInfo.h"

Inheritance diagram for llvm::Mips16RegisterInfo:

Collaboration diagram for llvm::Mips16RegisterInfo:

Public Member Functions
	Mips16RegisterInfo ()

bool	requiresRegisterScavenging (const MachineFunction &MF) const override

bool	requiresFrameIndexScavenging (const MachineFunction &MF) const override

bool	useFPForScavengingIndex (const MachineFunction &MF) const override

bool	saveScavengerRegister (MachineBasicBlock &MBB, MachineBasicBlock::iterator I, MachineBasicBlock::iterator &UseMI, const TargetRegisterClass *RC, unsigned Reg) const override

const TargetRegisterClass *	intRegClass (unsigned Size) const override
	Return GPR register class. More...

Public Member Functions inherited from llvm::MipsRegisterInfo
	MipsRegisterInfo ()

const TargetRegisterClass *	getPointerRegClass (const MachineFunction &MF, unsigned Kind) const override
	Code Generation virtual methods... More...

unsigned	getRegPressureLimit (const TargetRegisterClass *RC, MachineFunction &MF) const override

const MCPhysReg *	getCalleeSavedRegs (const MachineFunction *MF) const override
	Mips Callee Saved Registers. More...

const uint32_t *	getCallPreservedMask (const MachineFunction &MF, CallingConv::ID) const override

BitVector	getReservedRegs (const MachineFunction &MF) const override

bool	requiresRegisterScavenging (const MachineFunction &MF) const override

bool	trackLivenessAfterRegAlloc (const MachineFunction &MF) const override

void	eliminateFrameIndex (MachineBasicBlock::iterator II, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=nullptr) const override
	Stack Frame Processing Methods. More...

bool	canRealignStack (const MachineFunction &MF) const override

unsigned	getFrameRegister (const MachineFunction &MF) const override
	Debug information queries. More...

Additional Inherited Members
Public Types inherited from llvm::MipsRegisterInfo
enum	MipsPtrClass { MipsPtrClass::Default = 0, MipsPtrClass::GPR16MM = 1, MipsPtrClass::StackPointer = 2, MipsPtrClass::GlobalPointer = 3 }

Static Public Member Functions inherited from llvm::MipsRegisterInfo
static unsigned	getPICCallReg ()
	Get PIC indirect call register. More...

static const uint32_t *	getMips16RetHelperMask ()

Detailed Description

Definition at line 22 of file Mips16RegisterInfo.h.

Constructor & Destructor Documentation

◆ Mips16RegisterInfo()

Mips16RegisterInfo::Mips16RegisterInfo ( )

Definition at line 41 of file Mips16RegisterInfo.cpp.

References requiresRegisterScavenging().

Member Function Documentation

◆ intRegClass()

const TargetRegisterClass * Mips16RegisterInfo::intRegClass ( unsigned Size ) const

overridevirtual

Return GPR register class.

Implements llvm::MipsRegisterInfo.

Definition at line 71 of file Mips16RegisterInfo.cpp.

References assert(), llvm::MachineOperand::ChangeToImmediate(), llvm::MachineOperand::ChangeToRegister(), llvm::errs(), llvm::ISD::FrameIndex, llvm::MachineFrameInfo::getCalleeSavedInfo(), llvm::MachineFunction::getFrameInfo(), llvm::TargetSubtargetInfo::getFrameLowering(), llvm::MachineOperand::getImm(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineBasicBlock::getParent(), llvm::MachineInstr::getParent(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getSubtarget(), llvm::TargetFrameLowering::hasFP(), llvm::MachineInstr::isDebugValue(), llvm::MachineOperand::isReg(), LLVM_DEBUG, llvm::Mips16InstrInfo::loadImmediate(), MI, TII, and llvm::Mips16InstrInfo::validImmediate().

◆ requiresFrameIndexScavenging()

bool Mips16RegisterInfo::requiresFrameIndexScavenging ( const MachineFunction & MF ) const

override

Definition at line 48 of file Mips16RegisterInfo.cpp.

References useFPForScavengingIndex().

Referenced by requiresRegisterScavenging().

◆ requiresRegisterScavenging()

bool Mips16RegisterInfo::requiresRegisterScavenging ( const MachineFunction & MF ) const

override

Definition at line 44 of file Mips16RegisterInfo.cpp.

References requiresFrameIndexScavenging().

Referenced by Mips16RegisterInfo().

◆ saveScavengerRegister()

bool Mips16RegisterInfo::saveScavengerRegister	(	MachineBasicBlock &	MBB,
		MachineBasicBlock::iterator	I,
		MachineBasicBlock::iterator &	UseMI,
		const TargetRegisterClass *	RC,
		unsigned	Reg
	)		const