PPCInstrInfo.cpp File Reference

#include "PPCInstrInfo.h"
#include "MCTargetDesc/PPCPredicates.h"
#include "PPC.h"
#include "PPCHazardRecognizers.h"
#include "PPCInstrBuilder.h"
#include "PPCMachineFunctionInfo.h"
#include "PPCTargetMachine.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/LiveIntervals.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/CodeGen/ScheduleDAG.h"
#include "llvm/CodeGen/SlotIndexes.h"
#include "llvm/CodeGen/StackMaps.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCInst.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
#include "PPCGenInstrInfo.inc"

Include dependency graph for PPCInstrInfo.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "ppc-instr-info"
#define	GET_INSTRMAP_INFO
#define	GET_INSTRINFO_CTOR_DTOR

Enumerations
enum	SpillOpcodeKey {   SOK_Int4Spill, SOK_Int8Spill, SOK_Float8Spill, SOK_Float4Spill,   SOK_CRSpill, SOK_CRBitSpill, SOK_VRVectorSpill, SOK_VSXVectorSpill,   SOK_VectorFloat8Spill, SOK_VectorFloat4Spill, SOK_VRSaveSpill, SOK_QuadFloat8Spill,   SOK_QuadFloat4Spill, SOK_QuadBitSpill, SOK_SpillToVSR, SOK_SPESpill,   SOK_SPE4Spill, SOK_LastOpcodeSpill }

Functions
	STATISTIC (NumStoreSPILLVSRRCAsVec, "Number of spillvsrrc spilled to stack as vec")
	STATISTIC (NumStoreSPILLVSRRCAsGpr, "Number of spillvsrrc spilled to stack as gpr")
	STATISTIC (NumGPRtoVSRSpill, "Number of gpr spills to spillvsrrc")
	STATISTIC (CmpIselsConverted, "Number of ISELs that depend on comparison of constants converted")
	STATISTIC (MissedConvertibleImmediateInstrs, "Number of compare-immediate instructions fed by constants")
	STATISTIC (NumRcRotatesConvertedToRcAnd, "Number of record-form rotates converted to record-form andi")
static unsigned	getCRBitValue (unsigned CRBit)
static bool	MBBDefinesCTR (MachineBasicBlock &MBB)
static bool	isAnImmediateOperand (const MachineOperand &MO)
static unsigned	selectReg (int64_t Imm1, int64_t Imm2, unsigned CompareOpc, unsigned TrueReg, unsigned FalseReg, unsigned CRSubReg)
static bool	isVFReg (unsigned Reg)
static void	swapMIOperands (MachineInstr &MI, unsigned Op1, unsigned Op2)
static bool	isSignExtendingOp (const MachineInstr &MI)
static bool	isZeroExtendingOp (const MachineInstr &MI)

Variables
static cl::opt< bool >	DisableCTRLoopAnal ("disable-ppc-ctrloop-analysis", cl::Hidden, cl::desc("Disable analysis for CTR loops"))
static cl::opt< bool >	DisableCmpOpt ("disable-ppc-cmp-opt", cl::desc("Disable compare instruction optimization"), cl::Hidden)
static cl::opt< bool >	VSXSelfCopyCrash ("crash-on-ppc-vsx-self-copy", cl::desc("Causes the backend to crash instead of generating a nop VSX copy"), cl::Hidden)
static cl::opt< bool >	UseOldLatencyCalc ("ppc-old-latency-calc", cl::Hidden, cl::desc("Use the old (incorrect) instruction latency calculation"))
const unsigned	MAX_DEPTH = 1

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "ppc-instr-info"

Definition at line 43 of file PPCInstrInfo.cpp.

GET_INSTRINFO_CTOR_DTOR

#define GET_INSTRINFO_CTOR_DTOR

Definition at line 46 of file PPCInstrInfo.cpp.

GET_INSTRMAP_INFO

#define GET_INSTRMAP_INFO

Definition at line 45 of file PPCInstrInfo.cpp.

Enumeration Type Documentation

SpillOpcodeKey

enum SpillOpcodeKey

Enumerator
SOK_Int4Spill
SOK_Int8Spill
SOK_Float8Spill
SOK_Float4Spill
SOK_CRSpill
SOK_CRBitSpill
SOK_VRVectorSpill
SOK_VSXVectorSpill
SOK_VectorFloat8Spill
SOK_VectorFloat4Spill
SOK_VRSaveSpill
SOK_QuadFloat8Spill
SOK_QuadFloat4Spill
SOK_QuadBitSpill
SOK_SpillToVSR
SOK_SPESpill
SOK_SPE4Spill
SOK_LastOpcodeSpill

Definition at line 77 of file PPCInstrInfo.cpp.

Function Documentation

getCRBitValue()

static unsigned getCRBitValue ( unsigned  CRBit )

static

Definition at line 865 of file PPCInstrInfo.cpp.

References assert(), and llvm::MipsISD::Ret.

Referenced by llvm::PPCInstrInfo::copyPhysReg().

isAnImmediateOperand()

static bool isAnImmediateOperand ( const MachineOperand &  MO )

static

Definition at line 2110 of file PPCInstrInfo.cpp.

References llvm::MachineOperand::isCPI(), llvm::MachineOperand::isGlobal(), and llvm::MachineOperand::isImm().

Referenced by llvm::PPCInstrInfo::expandPostRAPseudo(), and swapMIOperands().

isSignExtendingOp()

static bool isSignExtendingOp ( const MachineInstr &  MI )

static

Definition at line 3503 of file PPCInstrInfo.cpp.

References llvm::MachineOperand::getImm(), llvm::MachineInstr::getOpcode(), and llvm::MachineInstr::getOperand().

Referenced by llvm::PPCInstrInfo::isSignOrZeroExtended().

isVFReg()

static bool isVFReg ( unsigned  Reg )

static

Definition at line 2672 of file PPCInstrInfo.cpp.

Referenced by llvm::PPCInstrInfo::instrHasImmForm().

isZeroExtendingOp()

static bool isZeroExtendingOp ( const MachineInstr &  MI )

static

Definition at line 3544 of file PPCInstrInfo.cpp.

References llvm::MachineOperand::getImm(), llvm::MachineInstr::getOpcode(), and llvm::MachineInstr::getOperand().

Referenced by llvm::PPCInstrInfo::isSignOrZeroExtended().

MBBDefinesCTR()

static bool MBBDefinesCTR ( MachineBasicBlock &  MBB )

static

Definition at line 1377 of file PPCInstrInfo.cpp.

References llvm::MachineBasicBlock::begin(), llvm::MachineBasicBlock::end(), I, and llvm::ARM_PROC::IE.

Referenced by llvm::PPCInstrInfo::isProfitableToIfCvt().

selectReg()

static unsigned selectReg ( int64_t  Imm1, int64_t  Imm2, unsigned  CompareOpc, unsigned  TrueReg, unsigned  FalseReg, unsigned  CRSubReg  )

static

Definition at line 2221 of file PPCInstrInfo.cpp.

References llvm_unreachable.

Referenced by llvm::PPCInstrInfo::convertToImmediateForm().

STATISTIC() [1/6]

STATISTIC	(	NumStoreSPILLVSRRCAsVec	,
		"Number of spillvsrrc spilled to stack as vec"
	)

STATISTIC() [2/6]

STATISTIC	(	NumStoreSPILLVSRRCAsGpr	,
		"Number of spillvsrrc spilled to stack as gpr"
	)

STATISTIC() [3/6]

STATISTIC	(	NumGPRtoVSRSpill	,
		"Number of gpr spills to spillvsrrc"
	)

STATISTIC() [4/6]

STATISTIC	(	CmpIselsConverted	,
		"Number of ISELs that depend on comparison of constants converted"
	)

STATISTIC() [5/6]

STATISTIC	(	MissedConvertibleImmediateInstrs	,
		"Number of compare-immediate instructions fed by constants"
	)

STATISTIC() [6/6]

STATISTIC	(	NumRcRotatesConvertedToRcAnd	,
		"Number of record-form rotates converted to record-form andi"
	)

swapMIOperands()

static void swapMIOperands ( MachineInstr &  MI, unsigned  Op1, unsigned  Op2  )

static

Definition at line 3075 of file PPCInstrInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstr::addOperand(), assert(), llvm::SmallVectorTemplateCommon< T >::back(), llvm::MachineOperand::ChangeToRegister(), contains(), llvm::dbgs(), DefMI, llvm::MachineInstr::dump(), E, llvm::GlobalValue::getAlignment(), llvm::MachineOperand::getGlobal(), llvm::MachineOperand::getImm(), llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineBasicBlock::getParent(), llvm::MachineInstr::getParent(), llvm::MachineOperand::getReg(), llvm::MachineRegisterInfo::getRegClass(), llvm::MachineFunction::getRegInfo(), llvm::PPCInstrInfo::getRegisterInfo(), llvm::TargetRegisterClass::hasSuperClassEq(), llvm::LoadImmediateInfo::Imm, llvm::ImmInstrInfo::ImmMustBeMultipleOf, llvm::ImmInstrInfo::ImmOpcode, llvm::ImmInstrInfo::ImmOpNo, llvm::ImmInstrInfo::ImmWidth, llvm::LoadImmediateInfo::Is64Bit, isAnImmediateOperand(), llvm::ImmInstrInfo::IsCommutative, llvm::MachineOperand::isGlobal(), llvm::MachineOperand::isImm(), llvm::MachineOperand::isKill(), llvm::APInt::isSignedIntN(), llvm::MachineRegisterInfo::isSSA(), llvm::ImmInstrInfo::IsSummingOperands, llvm::TargetRegisterInfo::isVirtualRegister(), LLVM_DEBUG, llvm_unreachable, llvm::max(), MI, llvm::PPCII::MO_TOC_LO, MRI, llvm::ImmInstrInfo::OpNoForForwarding, llvm::SmallVectorTemplateBase< T >::pop_back(), llvm::SmallVectorTemplateBase< T >::push_back(), llvm::MachineInstr::readsRegister(), Reg, llvm::MachineInstr::RemoveOperand(), llvm::MachineBasicBlock::rend(), llvm::PPCInstrInfo::replaceInstrOperandWithImm(), llvm::PPCInstrInfo::replaceInstrWithLI(), llvm::LoadImmediateInfo::SetCR, llvm::MachineInstr::setDesc(), llvm::MachineRegisterInfo::setRegClass(), llvm::MachineOperand::setTargetFlags(), llvm::ImmInstrInfo::SignedImm, llvm::ImmInstrInfo::TruncateImmTo, llvm::ImmInstrInfo::ZeroIsSpecialNew, and llvm::ImmInstrInfo::ZeroIsSpecialOrig.

Variable Documentation

DisableCmpOpt

cl::opt<bool> DisableCmpOpt("disable-ppc-cmp-opt", cl::desc("Disable compare instruction optimization"), cl::Hidden)

static

Referenced by llvm::PPCInstrInfo::optimizeCompareInstr().

DisableCTRLoopAnal

cl:: opt<bool> DisableCTRLoopAnal("disable-ppc-ctrloop-analysis", cl::Hidden, cl::desc("Disable analysis for CTR loops"))

static

Referenced by llvm::PPCInstrInfo::analyzeBranch().

MAX_DEPTH

const unsigned MAX_DEPTH = 1

Definition at line 3625 of file PPCInstrInfo.cpp.

UseOldLatencyCalc

cl::opt<bool> UseOldLatencyCalc("ppc-old-latency-calc", cl::Hidden, cl::desc("Use the old (incorrect) instruction latency calculation"))

static

Referenced by llvm::PPCInstrInfo::getInstrLatency().

VSXSelfCopyCrash

cl::opt<bool> VSXSelfCopyCrash("crash-on-ppc-vsx-self-copy", cl::desc("Causes the backend to crash instead of generating a nop VSX copy"), cl::Hidden)

static

Referenced by llvm::PPCInstrInfo::copyPhysReg().