LLVM: lib/CodeGen/MachineCSE.cpp File Reference (original) (raw)

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Macros
#define	DEBUG_TYPE "machine-cse"

Functions
	STATISTIC (NumCoalesces, "Number of copies coalesced")
	STATISTIC (NumCSEs, "Number of common subexpression eliminated")
	STATISTIC (NumPREs, "Number of partial redundant expression" " transformed to fully redundant")
	STATISTIC (NumPhysCSEs, "Number of physreg referencing common subexpr eliminated")
	STATISTIC (NumCrossBBCSEs, "Number of cross-MBB physreg referencing CS eliminated")
	STATISTIC (NumCommutes, "Number of copies coalesced after commuting")
	INITIALIZE_PASS_BEGIN (MachineCSELegacy, DEBUG_TYPE, "Machine Common Subexpression Elimination", false, false) INITIALIZE_PASS_END(MachineCSELegacy
static bool	isCallerPreservedOrConstPhysReg (MCRegister Reg, const MachineOperand &MO, const MachineFunction &MF, const TargetRegisterInfo &TRI, const TargetInstrInfo &TII)

Variables
static cl::opt< int >	CSUsesThreshold ("csuses-threshold", cl::Hidden, cl::init(1024), cl::desc("Threshold for the size of CSUses"))
static cl::opt< bool >	AggressiveMachineCSE ("aggressive-machine-cse", cl::Hidden, cl::init(false), cl::desc("Override the profitability heuristics for Machine CSE"))
	DEBUG_TYPE
Machine Common Subexpression	Elimination
Machine Common Subexpression	false

◆ DEBUG_TYPE

#define DEBUG_TYPE "machine-cse"

◆ INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	MachineCSELegacy	,
DEBUG_TYPE	,
"Machine Common Subexpression Elimination"	,
false	,
false	)

◆ isCallerPreservedOrConstPhysReg()

◆ STATISTIC() [1/6]

STATISTIC	(	NumCoalesces	,
"Number of copies coalesced"	)

◆ STATISTIC() [2/6]

STATISTIC	(	NumCommutes	,
"Number of copies coalesced after commuting"	)

◆ STATISTIC() [3/6]

STATISTIC	(	NumCrossBBCSEs	,
"Number of cross-MBB physreg referencing CS eliminated"	)

◆ STATISTIC() [4/6]

STATISTIC	(	NumCSEs	,
"Number of common subexpression eliminated"	)

◆ STATISTIC() [5/6]

STATISTIC	(	NumPhysCSEs	,
"Number of physreg referencing common subexpr eliminated"	)

◆ STATISTIC() [6/6]

STATISTIC	(	NumPREs	,
"Number of partial redundant expression" " transformed to fully redundant"	)

◆ AggressiveMachineCSE

cl::opt< bool > AggressiveMachineCSE("aggressive-machine-cse", cl::Hidden, cl::init(false), cl::desc("Override the profitability heuristics for Machine CSE")) ( "aggressive-machine-cse" , cl::Hidden , cl::init(false) , cl::desc("Override the profitability heuristics for Machine CSE") )	static

◆ CSUsesThreshold

cl::opt< int > CSUsesThreshold("csuses-threshold", cl::Hidden, cl::init(1024), cl::desc("Threshold for the size of CSUses")) ( "csuses-threshold" , cl::Hidden , cl::init(1024) , cl::desc("Threshold for the size of CSUses") )	static

◆ DEBUG_TYPE

◆ Elimination

Machine Common Subexpression Elimination

◆ false