PPCFrameLowering.cpp File Reference (original) (raw)

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Macros
#define	DEBUG_TYPE "framelowering"
#define	CALLEE_SAVED_FPRS
#define	CALLEE_SAVED_GPRS32
#define	CALLEE_SAVED_GPRS64
#define	CALLEE_SAVED_VRS

Functions
	STATISTIC (NumPESpillVSR, "Number of spills to vector in prologue")
	STATISTIC (NumPEReloadVSR, "Number of reloads from vector in epilogue")
	STATISTIC (NumPrologProbed, "Number of prologues probed")
static unsigned	computeReturnSaveOffset (const PPCSubtarget &STI)
static unsigned	computeTOCSaveOffset (const PPCSubtarget &STI)
static unsigned	computeFramePointerSaveOffset (const PPCSubtarget &STI)
static unsigned	computeLinkageSize (const PPCSubtarget &STI)
static unsigned	computeBasePointerSaveOffset (const PPCSubtarget &STI)
static unsigned	computeCRSaveOffset (const PPCSubtarget &STI)
static bool	spillsCR (const MachineFunction &MF)
static bool	hasSpills (const MachineFunction &MF)
static bool	hasNonRISpills (const MachineFunction &MF)
static bool	MustSaveLR (const MachineFunction &MF, MCRegister LR)
	MustSaveLR - Return true if this function requires that we save the LR register onto the stack in the prolog and restore it in the epilog of the function.
static void	restoreCRs (bool is31, bool CR2Spilled, bool CR3Spilled, bool CR4Spilled, MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, ArrayRef< CalleeSavedInfo > CSI, unsigned CSIIndex)
static bool	isCalleeSavedCR (unsigned Reg)

Variables
static cl::opt< bool >	EnablePEVectorSpills ("ppc-enable-pe-vector-spills", cl::desc("Enable spills in prologue to vector registers."), cl::init(false), cl::Hidden)

◆ CALLEE_SAVED_FPRS

#define CALLEE_SAVED_FPRS

Value:

{PPC::F31, -8}, \

{PPC::F30, -16}, \

{PPC::F29, -24}, \

{PPC::F28, -32}, \

{PPC::F27, -40}, \

{PPC::F26, -48}, \

{PPC::F25, -56}, \

{PPC::F24, -64}, \

{PPC::F23, -72}, \

{PPC::F22, -80}, \

{PPC::F21, -88}, \

{PPC::F20, -96}, \

{PPC::F19, -104}, \

{PPC::F18, -112}, \

{PPC::F17, -120}, \

{PPC::F16, -128}, \

{PPC::F15, -136}, \

{PPC::F14, -144}

Referenced by llvm::PPCFrameLowering::getCalleeSavedSpillSlots().

◆ CALLEE_SAVED_GPRS32

#define CALLEE_SAVED_GPRS32

Value:

{PPC::R31, -4}, \

{PPC::R30, -8}, \

{PPC::R29, -12}, \

{PPC::R28, -16}, \

{PPC::R27, -20}, \

{PPC::R26, -24}, \

{PPC::R25, -28}, \

{PPC::R24, -32}, \

{PPC::R23, -36}, \

{PPC::R22, -40}, \

{PPC::R21, -44}, \

{PPC::R20, -48}, \

{PPC::R19, -52}, \

{PPC::R18, -56}, \

{PPC::R17, -60}, \

{PPC::R16, -64}, \

{PPC::R15, -68}, \

{PPC::R14, -72}

Referenced by llvm::PPCFrameLowering::getCalleeSavedSpillSlots().

◆ CALLEE_SAVED_GPRS64

#define CALLEE_SAVED_GPRS64

Value:

{PPC::X31, -8}, \

{PPC::X30, -16}, \

{PPC::X29, -24}, \

{PPC::X28, -32}, \

{PPC::X27, -40}, \

{PPC::X26, -48}, \

{PPC::X25, -56}, \

{PPC::X24, -64}, \

{PPC::X23, -72}, \

{PPC::X22, -80}, \

{PPC::X21, -88}, \

{PPC::X20, -96}, \

{PPC::X19, -104}, \

{PPC::X18, -112}, \

{PPC::X17, -120}, \

{PPC::X16, -128}, \

{PPC::X15, -136}, \

{PPC::X14, -144}

Referenced by llvm::PPCFrameLowering::getCalleeSavedSpillSlots().

◆ CALLEE_SAVED_VRS

Value:

{PPC::V31, -16}, \

{PPC::V30, -32}, \

{PPC::V29, -48}, \

{PPC::V28, -64}, \

{PPC::V27, -80}, \

{PPC::V26, -96}, \

{PPC::V25, -112}, \

{PPC::V24, -128}, \

{PPC::V23, -144}, \

{PPC::V22, -160}, \

{PPC::V21, -176}, \

{PPC::V20, -192}

Referenced by llvm::PPCFrameLowering::getCalleeSavedSpillSlots().

◆ DEBUG_TYPE

#define DEBUG_TYPE "framelowering"

◆ computeBasePointerSaveOffset()

◆ computeCRSaveOffset()

◆ computeFramePointerSaveOffset()

◆ computeLinkageSize()

◆ computeReturnSaveOffset()

◆ computeTOCSaveOffset()

◆ hasNonRISpills()

◆ hasSpills()

◆ isCalleeSavedCR()

◆ MustSaveLR()

◆ restoreCRs()

◆ spillsCR()

◆ STATISTIC() [1/3]

STATISTIC	(	NumPEReloadVSR	,
"Number of reloads from vector in epilogue"	)

◆ STATISTIC() [2/3]

STATISTIC	(	NumPESpillVSR	,
"Number of spills to vector in prologue"	)

◆ STATISTIC() [3/3]

STATISTIC	(	NumPrologProbed	,
"Number of prologues probed"	)

◆ EnablePEVectorSpills

cl::opt< bool > EnablePEVectorSpills("ppc-enable-pe-vector-spills", cl::desc("Enable spills in prologue to vector registers."), cl::init(false), cl::Hidden) ( "ppc-enable-pe-vector-spills" , cl::desc("Enable spills in prologue to vector registers.") , cl::init(false) , cl::Hidden )	static