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

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Macros
#define	DEBUG_TYPE "twoaddressinstruction"

Functions
	STATISTIC (NumTwoAddressInstrs, "Number of two-address instructions")
	STATISTIC (NumCommuted, "Number of instructions commuted to coalesce")
	STATISTIC (NumAggrCommuted, "Number of instructions aggressively commuted")
	STATISTIC (NumConvertedTo3Addr, "Number of instructions promoted to 3-address")
	STATISTIC (NumReSchedUps, "Number of instructions re-scheduled up")
	STATISTIC (NumReSchedDowns, "Number of instructions re-scheduled down")
	INITIALIZE_PASS_BEGIN (TwoAddressInstructionLegacyPass, DEBUG_TYPE, "Two-Address instruction pass", false, false) INITIALIZE_PASS_END(TwoAddressInstructionLegacyPass
static bool	isTwoAddrUse (MachineInstr &MI, Register Reg, Register &DstReg)
	Return true if the specified MI uses the specified register as a two-address use.
static MCRegister	getMappedReg (Register Reg, DenseMap< Register, Register > &RegMap)
	Return the physical register the specified virtual register might be mapped to.

Variables
static cl::opt< bool >	EnableRescheduling ("twoaddr-reschedule", cl::desc("Coalesce copies by rescheduling (default=true)"), cl::init(true), cl::Hidden)
static cl::opt< unsigned >	MaxDataFlowEdge ("dataflow-edge-limit", cl::Hidden, cl::init(3), cl::desc("Maximum number of dataflow edges to traverse when evaluating " "the benefit of commuting operands"))
	DEBUG_TYPE
Two Address instruction	pass
Two Address instruction	false

◆ DEBUG_TYPE

#define DEBUG_TYPE "twoaddressinstruction"

◆ getMappedReg()

Return the physical register the specified virtual register might be mapped to.

Definition at line 533 of file TwoAddressInstructionPass.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), and Reg.

◆ INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	TwoAddressInstructionLegacyPass	,
DEBUG_TYPE	,
"Two-Address instruction pass"	,
false	,
false	)

◆ isTwoAddrUse()

◆ STATISTIC() [1/6]

STATISTIC	(	NumAggrCommuted	,
"Number of instructions aggressively commuted"	)

◆ STATISTIC() [2/6]

STATISTIC	(	NumCommuted	,
"Number of instructions commuted to coalesce"	)

◆ STATISTIC() [3/6]

STATISTIC	(	NumConvertedTo3Addr	,
"Number of instructions promoted to 3-address"	)

◆ STATISTIC() [4/6]

STATISTIC	(	NumReSchedDowns	,
"Number of instructions re-scheduled down"	)

◆ STATISTIC() [5/6]

STATISTIC	(	NumReSchedUps	,
"Number of instructions re-scheduled up"	)

◆ STATISTIC() [6/6]

STATISTIC	(	NumTwoAddressInstrs	,
"Number of two-address instructions"	)

◆ DEBUG_TYPE

◆ EnableRescheduling

cl::opt< bool > EnableRescheduling("twoaddr-reschedule", cl::desc("Coalesce copies by rescheduling (default=true)"), cl::init(true), cl::Hidden) ( "twoaddr-reschedule" , cl::desc("Coalesce copies by rescheduling (default=true)") , cl::init(true) , cl::Hidden )	static

◆ false

Two Address instruction false

◆ MaxDataFlowEdge

cl::opt< unsigned > MaxDataFlowEdge("dataflow-edge-limit", cl::Hidden, cl::init(3), cl::desc("Maximum number of dataflow edges to traverse when evaluating " "the benefit of commuting operands")) ( "dataflow-edge-limit" , cl::Hidden , cl::init(3) , cl::desc("Maximum number of dataflow edges to traverse when evaluating " "the benefit of commuting operands") )	static

◆ pass

Two Address instruction pass