SystemZInstrInfo.cpp File Reference

#include "SystemZInstrInfo.h"
#include "SystemZInstrBuilder.h"
#include "SystemZTargetMachine.h"
#include "llvm/CodeGen/LiveVariables.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "SystemZGenInstrInfo.inc"

Include dependency graph for SystemZInstrInfo.cpp:

Go to the source code of this file.

Defines
#define	GET_INSTRINFO_CTOR_DTOR
#define	GET_INSTRMAP_INFO
Functions
static uint64_t	allOnes (unsigned int Count)
static bool	isHighReg (unsigned int Reg)
static int	isSimpleMove (const MachineInstr *MI, int &FrameIndex, unsigned Flag)
static MachineInstr *	getDef (unsigned Reg, const MachineRegisterInfo *MRI)
static bool	isShift (MachineInstr *MI, int Opcode, int64_t Imm)
static void	eraseIfDead (MachineInstr *MI, const MachineRegisterInfo *MRI)
static bool	removeIPMBasedCompare (MachineInstr *Compare, unsigned SrcReg, const MachineRegisterInfo *MRI, const TargetRegisterInfo *TRI)
static unsigned	getConditionalMove (unsigned Opcode)
static bool	isSimpleBD12Move (const MachineInstr *MI, unsigned Flag)
static LogicOp	interpretAndImmediate (unsigned Opcode)
static MachineInstr *	finishConvertToThreeAddress (MachineInstr *OldMI, MachineInstr *NewMI, LiveVariables *LV)
static bool	isStringOfOnes (uint64_t Mask, unsigned &LSB, unsigned &Length)

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Define Documentation

#define GET_INSTRINFO_CTOR_DTOR

Definition at line 22 of file SystemZInstrInfo.cpp.

#define GET_INSTRMAP_INFO

Definition at line 23 of file SystemZInstrInfo.cpp.

---

Function Documentation

static uint64_t allOnes

(

unsigned int

Count

)

[static]

Definition at line 27 of file SystemZInstrInfo.cpp.

Referenced by llvm::SystemZInstrInfo::convertToThreeAddress(), llvm::SystemZInstrInfo::isRxSBGMask(), and llvm::APInt::magicu().

static void eraseIfDead	(	MachineInstr *	MI,
		const MachineRegisterInfo *	MRI
	)		[static]

Definition at line 433 of file SystemZInstrInfo.cpp.

References llvm::MachineInstr::eraseFromParent(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), and llvm::MachineRegisterInfo::use_nodbg_empty().

Referenced by removeIPMBasedCompare().

static MachineInstr* finishConvertToThreeAddress	(	MachineInstr *	OldMI,
		MachineInstr *	NewMI,
		LiveVariables *	LV
	)		[static]

Definition at line 659 of file SystemZInstrInfo.cpp.

References llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), I, llvm::MachineOperand::isKill(), llvm::MachineOperand::isReg(), and llvm::LiveVariables::replaceKillInstruction().

Referenced by llvm::SystemZInstrInfo::convertToThreeAddress().

static unsigned getConditionalMove

(

unsigned

Opcode

)

[static]

Definition at line 498 of file SystemZInstrInfo.cpp.

Referenced by llvm::SystemZInstrInfo::isPredicable(), and llvm::SystemZInstrInfo::PredicateInstruction().

static MachineInstr* getDef	(	unsigned	Reg,
		const MachineRegisterInfo *	MRI
	)		[static]

Definition at line 418 of file SystemZInstrInfo.cpp.

References llvm::MachineRegisterInfo::getUniqueVRegDef(), and llvm::TargetRegisterInfo::isPhysicalRegister().

Referenced by llvm::UnOpInit::Fold(), llvm::MemoryDependenceAnalysis::getPointerDependencyFrom(), and removeIPMBasedCompare().

static LogicOp interpretAndImmediate

(

unsigned

Opcode

)

[static]

Definition at line 642 of file SystemZInstrInfo.cpp.

Referenced by llvm::SystemZInstrInfo::convertToThreeAddress().

static bool isHighReg

(

unsigned int

Reg

)

[static]

Definition at line 33 of file SystemZInstrInfo.cpp.

References contains().

Referenced by llvm::SystemZInstrInfo::expandPostRAPseudo().

static bool isShift	(	MachineInstr *	MI,
		int	Opcode,
		int64_t	Imm
	)		[static]

Definition at line 426 of file SystemZInstrInfo.cpp.

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

Referenced by removeIPMBasedCompare().

static bool isSimpleBD12Move	(	const MachineInstr *	MI,
		unsigned	Flag
	)		[static]

Definition at line 623 of file SystemZInstrInfo.cpp.

References llvm::MachineInstr::getDesc(), llvm::MachineOperand::getImm(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), and llvm::MCInstrDesc::TSFlags.

Referenced by llvm::SystemZInstrInfo::foldMemoryOperandImpl().

static int isSimpleMove	(	const MachineInstr *	MI,
		int &	FrameIndex,
		unsigned	Flag
	)		[static]

Definition at line 193 of file SystemZInstrInfo.cpp.

References llvm::MachineInstr::getDesc(), llvm::MachineOperand::getImm(), llvm::MachineOperand::getIndex(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineOperand::isFI(), and llvm::MCInstrDesc::TSFlags.

Referenced by llvm::SystemZInstrInfo::isLoadFromStackSlot(), and llvm::SystemZInstrInfo::isStoreToStackSlot().

static bool isStringOfOnes	(	uint64_t	Mask,
		unsigned &	LSB,
		unsigned &	Length
	)		[static]

Definition at line 1167 of file SystemZInstrInfo.cpp.

References llvm::findFirstSet().

Referenced by llvm::SystemZInstrInfo::isRxSBGMask().

static bool removeIPMBasedCompare	(	MachineInstr *	Compare,
		unsigned	SrcReg,
		const MachineRegisterInfo *	MRI,
		const TargetRegisterInfo *	TRI
	)		[static]

Definition at line 442 of file SystemZInstrInfo.cpp.

References llvm::MCID::Compare, llvm::MachineInstr::eraseFromParent(), eraseIfDead(), getDef(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), llvm::MachineOperand::getReg(), llvm::SystemZISD::IPM, llvm::SystemZ::IPM_CC, isShift(), llvm::MachineInstr::modifiesRegister(), and llvm::ISD::SRL.

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