LLVM: lib/Target/ARM/MVETPAndVPTOptimisationsPass.cpp File Reference (original) (raw)

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Macros
#define	DEBUG_TYPE "arm-mve-vpt-opts"

Functions
	INITIALIZE_PASS_BEGIN (MVETPAndVPTOptimisations, DEBUG_TYPE, "ARM MVE TailPred and VPT Optimisations pass", false, false) INITIALIZE_PASS_END(MVETPAndVPTOptimisations
ARM MVE TailPred and VPT Optimisations static false MachineInstr *	LookThroughCOPY (MachineInstr MI, MachineRegisterInfo MRI)
static bool	findLoopComponents (MachineLoop ML, MachineRegisterInfo MRI, MachineInstr &LoopStart, MachineInstr &LoopPhi, MachineInstr &LoopDec, MachineInstr &LoopEnd)
static void	RevertWhileLoopSetup (MachineInstr MI, const TargetInstrInfo TII)
static bool	IsInvalidTPInstruction (MachineInstr &MI)
static bool	IsVCMP (unsigned Opcode)
static bool	CanHaveSwappedOperands (unsigned Opcode)
static ARMCC::CondCodes	GetCondCode (MachineInstr &Instr)
static bool	IsVPNOTEquivalent (MachineInstr &Cond, MachineInstr &Prev)
static bool	IsWritingToVCCR (MachineInstr &Instr)
static bool	MoveVPNOTBeforeFirstUser (MachineBasicBlock &MBB, MachineBasicBlock::iterator Iter, Register Reg)

Variables
static cl::opt< bool >	MergeEndDec ("arm-enable-merge-loopenddec", cl::Hidden, cl::desc("Enable merging Loop End and Dec instructions."), cl::init(true))
static cl::opt< bool >	SetLRPredicate ("arm-set-lr-predicate", cl::Hidden, cl::desc("Enable setting lr as a predicate in tail predication regions."), cl::init(true))
	DEBUG_TYPE
ARM MVE TailPred and VPT Optimisations	pass
ARM MVE TailPred and VPT Optimisations	false

◆ DEBUG_TYPE

#define DEBUG_TYPE "arm-mve-vpt-opts"

◆ CanHaveSwappedOperands()

◆ findLoopComponents()

Definition at line 110 of file MVETPAndVPTOptimisationsPass.cpp.

References llvm::dbgs(), llvm::MachineOperand::getMBB(), llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), LLVM_DEBUG, LookThroughCOPY(), ML, MRI, T, and llvm::MachineBasicBlock::terminators().

◆ GetCondCode()

◆ INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	MVETPAndVPTOptimisations	,
DEBUG_TYPE	,
"ARM MVE TailPred and VPT Optimisations pass"	,
false	,
false	)

◆ IsInvalidTPInstruction()

◆ IsVCMP()

◆ IsVPNOTEquivalent()

◆ IsWritingToVCCR()

◆ LookThroughCOPY()

◆ MoveVPNOTBeforeFirstUser()

Definition at line 651 of file MVETPAndVPTOptimisationsPass.cpp.

References assert(), llvm::dbgs(), llvm::MachineInstr::dump(), llvm::ilist_node_impl< OptionsT >::getIterator(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::getVPTInstrPredicate(), LLVM_DEBUG, MBB, llvm::ARMVCC::None, Reg, and llvm::MachineOperand::setIsKill().

◆ RevertWhileLoopSetup()

Definition at line 186 of file MVETPAndVPTOptimisationsPass.cpp.

References llvm::MachineInstrBuilder::add(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::ARMCC::AL, assert(), llvm::BuildMI(), llvm::RegState::Define, llvm::ARMCC::EQ, I, MBB, MI, and TII.

◆ DEBUG_TYPE

◆ false

ARM MVE TailPred and VPT Optimisations false

◆ MergeEndDec

cl::opt< bool > MergeEndDec("arm-enable-merge-loopenddec", cl::Hidden, cl::desc("Enable merging Loop End and Dec instructions."), cl::init(true)) ( "arm-enable-merge-loopenddec" , cl::Hidden , cl::desc("Enable merging Loop End and Dec instructions.") , cl::init(true) )	static

◆ pass

ARM MVE TailPred and VPT Optimisations pass

◆ SetLRPredicate

cl::opt< bool > SetLRPredicate("arm-set-lr-predicate", cl::Hidden, cl::desc("Enable setting lr as a predicate in tail predication regions."), cl::init(true)) ( "arm-set-lr-predicate" , cl::Hidden , cl::desc("Enable setting lr as a predicate in tail predication regions.") , cl::init(true) )	static