llvm::XCoreRegisterInfo Struct Reference

#include "Target/XCore/XCoreRegisterInfo.h"

Inheritance diagram for llvm::XCoreRegisterInfo:

Collaboration diagram for llvm::XCoreRegisterInfo:

Public Member Functions
	XCoreRegisterInfo ()
const MCPhysReg *	getCalleeSavedRegs (const MachineFunction *MF) const override
	Code Generation virtual methods... More...
BitVector	getReservedRegs (const MachineFunction &MF) const override
bool	requiresRegisterScavenging (const MachineFunction &MF) const override
bool	trackLivenessAfterRegAlloc (const MachineFunction &MF) const override
bool	useFPForScavengingIndex (const MachineFunction &MF) const override
void	eliminateFrameIndex (MachineBasicBlock::iterator II, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=nullptr) const override
unsigned	getFrameRegister (const MachineFunction &MF) const override

Static Public Member Functions
static bool	needsFrameMoves (const MachineFunction &MF)
	Return whether to emit frame moves. More...

Detailed Description

Definition at line 26 of file XCoreRegisterInfo.h.

Constructor & Destructor Documentation

XCoreRegisterInfo()

XCoreRegisterInfo::XCoreRegisterInfo

(

)

Definition at line 44 of file XCoreRegisterInfo.cpp.

Member Function Documentation

eliminateFrameIndex()

void XCoreRegisterInfo::eliminateFrameIndex ( MachineBasicBlock::iterator  II, int  SPAdj, unsigned  FIOperandNum, RegScavenger *  RS = nullptr  ) const

override

Definition at line 260 of file XCoreRegisterInfo.cpp.

References assert(), llvm::MachineOperand::ChangeToImmediate(), llvm::MachineOperand::ChangeToRegister(), contains(), llvm::MachineBasicBlock::erase(), llvm::errs(), llvm::ISD::FrameIndex, llvm::MachineFunction::getFrameInfo(), getFrameRegister(), llvm::MachineOperand::getImm(), llvm::MachineOperand::getIndex(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineFunction::getName(), llvm::MachineFrameInfo::getObjectOffset(), llvm::MachineInstr::getOperand(), llvm::MachineBasicBlock::getParent(), llvm::MachineInstr::getParent(), llvm::MachineOperand::getReg(), llvm::MachineFrameInfo::getStackSize(), llvm::MachineFunction::getSubtarget(), llvm::XCoreFrameLowering::hasFP(), InsertFPConstInst(), InsertFPImmInst(), InsertSPConstInst(), InsertSPImmInst(), llvm::MachineInstr::isDebugValue(), isImmU16(), isImmUs(), LLVM_DEBUG, MI, llvm::MachineInstr::print(), Reg, and TII.

getCalleeSavedRegs()

const MCPhysReg * XCoreRegisterInfo::getCalleeSavedRegs ( const MachineFunction *  MF ) const

override

Code Generation virtual methods...

Definition at line 211 of file XCoreRegisterInfo.cpp.

References llvm::XCoreFrameLowering::hasFP(), R4, and R6.

getFrameRegister()

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

override

Definition at line 325 of file XCoreRegisterInfo.cpp.

References llvm::XCoreFrameLowering::hasFP().

Referenced by eliminateFrameIndex().

getReservedRegs()

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

override

Definition at line 230 of file XCoreRegisterInfo.cpp.

References llvm::HexagonISD::CP, llvm::XCoreFrameLowering::hasFP(), and llvm::BitVector::set().

needsFrameMoves()

bool XCoreRegisterInfo::needsFrameMoves ( const MachineFunction &  MF )

static

Return whether to emit frame moves.

Definition at line 206 of file XCoreRegisterInfo.cpp.

References llvm::MachineFunction::getFunction(), llvm::MachineFunction::getMMI(), llvm::MachineModuleInfo::hasDebugInfo(), and llvm::Function::needsUnwindTableEntry().

Referenced by llvm::XCoreFrameLowering::emitPrologue(), and llvm::XCoreFrameLowering::spillCalleeSavedRegisters().

requiresRegisterScavenging()

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

override

Definition at line 245 of file XCoreRegisterInfo.cpp.

trackLivenessAfterRegAlloc()

bool XCoreRegisterInfo::trackLivenessAfterRegAlloc ( const MachineFunction &  MF ) const

override

Definition at line 250 of file XCoreRegisterInfo.cpp.

useFPForScavengingIndex()

bool XCoreRegisterInfo::useFPForScavengingIndex ( const MachineFunction &  MF ) const

override

Definition at line 255 of file XCoreRegisterInfo.cpp.

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

• lib/Target/XCore/XCoreRegisterInfo.h
• lib/Target/XCore/XCoreRegisterInfo.cpp