llvm::APIntOps Namespace Reference

Functions
APInt	smin (const APInt &A, const APInt &B)
	Determine the smaller of two APInts considered to be signed.
APInt	smax (const APInt &A, const APInt &B)
	Determine the larger of two APInts considered to be signed.
APInt	umin (const APInt &A, const APInt &B)
	Determine the smaller of two APInts considered to be signed.
APInt	umax (const APInt &A, const APInt &B)
	Determine the larger of two APInts considered to be unsigned.
bool	isIntN (uint32_t N, const APInt &APIVal)
	Check if the specified APInt has a N-bits unsigned integer value.
bool	isSignedIntN (uint32_t N, const APInt &APIVal)
	Check if the specified APInt has a N-bits signed integer value.
bool	isMask (uint32_t numBits, const APInt &APIVal)
bool	isShiftedMask (uint32_t numBits, const APInt &APIVal)
APInt	byteSwap (const APInt &APIVal)
uint32_t	logBase2 (const APInt &APIVal)
APInt	GreatestCommonDivisor (const APInt &Val1, const APInt &Val2)
	Compute GCD of two APInt values.
double	RoundAPIntToDouble (const APInt &APIVal)
	Converts the given APInt to a double value.
double	RoundSignedAPIntToDouble (const APInt &APIVal)
	Converts the given APInt to a double value.
float	RoundAPIntToFloat (const APInt &APIVal)
	Converts the given APInt to a float vlalue.
float	RoundSignedAPIntToFloat (const APInt &APIVal)
	Converts the given APInt to a float value.
APInt	RoundDoubleToAPInt (double Double, uint32_t width)
	Converts the given double value into a APInt.
APInt	RoundFloatToAPInt (float Float, uint32_t width)
	Converts a float value into a APInt.
APInt	ashr (const APInt &LHS, uint32_t shiftAmt)
	Arithmetic right-shift function.
APInt	lshr (const APInt &LHS, uint32_t shiftAmt)
	Logical right-shift function.
APInt	shl (const APInt &LHS, uint32_t shiftAmt)
	Left-shift function.
APInt	sdiv (const APInt &LHS, const APInt &RHS)
	Signed division function for APInt.
APInt	udiv (const APInt &LHS, const APInt &RHS)
	Unsigned division function for APInt.
APInt	srem (const APInt &LHS, const APInt &RHS)
	Function for signed remainder operation.
APInt	urem (const APInt &LHS, const APInt &RHS)
	Function for unsigned remainder operation.
APInt	mul (const APInt &LHS, const APInt &RHS)
	Function for multiplication operation.
APInt	add (const APInt &LHS, const APInt &RHS)
	Function for addition operation.
APInt	sub (const APInt &LHS, const APInt &RHS)
	Function for subtraction operation.
APInt	And (const APInt &LHS, const APInt &RHS)
	Bitwise AND function for APInt.
APInt	Or (const APInt &LHS, const APInt &RHS)
	Bitwise OR function for APInt.
APInt	Xor (const APInt &LHS, const APInt &RHS)
	Bitwise XOR function for APInt.
APInt	Not (const APInt &APIVal)
	Bitwise complement function.

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Function Documentation

APInt llvm::APIntOps::add	(	const APInt &	LHS,
		const APInt &	RHS
	)			[inline]

Function for addition operation.

Performs addition on APInt values.

Definition at line 1536 of file APInt.h.

References LHS, and RHS.

APInt llvm::APIntOps::And	(	const APInt &	LHS,
		const APInt &	RHS
	)			[inline]

Bitwise AND function for APInt.

Performs bitwise AND operation on APInt LHS and APInt RHS.

Definition at line 1549 of file APInt.h.

APInt llvm::APIntOps::ashr	(	const APInt &	LHS,
		uint32_t	shiftAmt
	)			[inline]

Arithmetic right-shift function.

Arithmetic right-shift the APInt by shiftAmt.

Definition at line 1488 of file APInt.h.

References llvm::APInt::ashr().

APInt llvm::APIntOps::byteSwap

(

const APInt &

APIVal

)

[inline]

Returns:

a byte-swapped representation of the specified APInt Value.

Definition at line 1438 of file APInt.h.

References llvm::APInt::byteSwap().

APInt llvm::APIntOps::GreatestCommonDivisor	(	const APInt &	Val1,
		const APInt &	Val2
	)

Compute GCD of two APInt values.

GreatestCommonDivisor - This function returns the greatest common divisor of the two APInt values using Euclid's algorithm.

Returns:

the greatest common divisor of Val1 and Val2

Definition at line 757 of file APInt.cpp.

References A, T, and urem().

bool llvm::APIntOps::isIntN	(	uint32_t	N,
		const APInt &	APIVal
	)			[inline]

Check if the specified APInt has a N-bits unsigned integer value.

Definition at line 1415 of file APInt.h.

References llvm::APInt::isIntN().

bool llvm::APIntOps::isMask	(	uint32_t	numBits,
		const APInt &	APIVal
	)			[inline]

Returns:

true if the argument APInt value is a sequence of ones starting at the least significant bit with the remainder zero.

Definition at line 1426 of file APInt.h.

References llvm::APInt::getBitWidth(), and llvm::APInt::getLowBitsSet().

Referenced by isShiftedMask().

bool llvm::APIntOps::isShiftedMask	(	uint32_t	numBits,
		const APInt &	APIVal
	)			[inline]

Returns:

true if the argument APInt value contains a sequence of ones with the remainder zero.

Definition at line 1433 of file APInt.h.

References isMask().

Referenced by isRunOfOnes().

bool llvm::APIntOps::isSignedIntN	(	uint32_t	N,
		const APInt &	APIVal
	)			[inline]

Check if the specified APInt has a N-bits signed integer value.

Definition at line 1420 of file APInt.h.

References llvm::APInt::isSignedIntN().

uint32_t llvm::APIntOps::logBase2

(

const APInt &

APIVal

)

[inline]

Returns:

the floor log base 2 of the specified APInt value.

Definition at line 1443 of file APInt.h.

References llvm::APInt::logBase2().

APInt llvm::APIntOps::lshr	(	const APInt &	LHS,
		uint32_t	shiftAmt
	)			[inline]

Logical right-shift function.

Logical right-shift the APInt by shiftAmt.

Definition at line 1494 of file APInt.h.

References llvm::APInt::lshr().

Referenced by llvm::ComputeMaskedBits(), llvm::APInt::getHiBits(), and llvm::APInt::getLoBits().

APInt llvm::APIntOps::mul	(	const APInt &	LHS,
		const APInt &	RHS
	)			[inline]

Function for multiplication operation.

Performs multiplication on APInt values.

Definition at line 1530 of file APInt.h.

APInt llvm::APIntOps::Not

(

const APInt &

APIVal

)

[inline]

Bitwise complement function.

Performs a bitwise complement operation on APInt.

Definition at line 1567 of file APInt.h.

APInt llvm::APIntOps::Or	(	const APInt &	LHS,
		const APInt &	RHS
	)			[inline]

Bitwise OR function for APInt.

Performs bitwise OR operation on APInt LHS and APInt RHS.

Definition at line 1555 of file APInt.h.

Referenced by CollectBSwapParts(), llvm::ComputeMaskedBits(), llvm::ComputeNumSignBits(), llvm::ConstantFoldBinaryInstruction(), DominatesMergePoint(), llvm::AsmPrinter::EmitConstantValueOnly(), FindLIVLoopCondition(), FindMaximalLegalAddressingMode(), llvm::SelectionDAGLowering::FindMergedConditions(), FoldBranchToCommonDest(), GatherConstantSetEQs(), GatherValueComparisons(), llvm::ConstantExpr::get(), llvm::ExecutionEngine::getConstantValue(), GetDecodedBinaryOpcode(), GetEncodedBinaryOpcode(), llvm::Instruction::getOpcodeName(), llvm::ConstantExpr::getOr(), GetSelectFoldableConstant(), GetSelectFoldableOperands(), llvm::BinaryOperator::init(), llvm::Instruction::isAssociative(), llvm::Instruction::isCommutative(), llvm::FastISel::SelectOperator(), SpeculativelyExecuteBB(), and llvm::Interpreter::visitBinaryOperator().

double llvm::APIntOps::RoundAPIntToDouble

(

const APInt &

APIVal

)

[inline]

Converts the given APInt to a double value.

Treats the APInt as an unsigned value for conversion purposes.

Definition at line 1455 of file APInt.h.

References llvm::APInt::roundToDouble().

Referenced by RoundAPIntToFloat().

float llvm::APIntOps::RoundAPIntToFloat

(

const APInt &

APIVal

)

[inline]

Converts the given APInt to a float vlalue.

Definition at line 1466 of file APInt.h.

References RoundAPIntToDouble().

APInt llvm::APIntOps::RoundDoubleToAPInt	(	double	Double,
		uint32_t	width
	)

Converts the given double value into a APInt.

RoundDoubleToAPInt - This function convert a double value to an APInt value.

Definition at line 768 of file APInt.cpp.

References I, llvm::APInt::shl(), and T.

Referenced by llvm::ExecutionEngine::getConstantValue(), and RoundFloatToAPInt().

APInt llvm::APIntOps::RoundFloatToAPInt	(	float	Float,
		uint32_t	width
	)			[inline]

Converts a float value into a APInt.

RoundFloatToAPInt - Converts a float value into an APInt value.

Definition at line 1482 of file APInt.h.

References RoundDoubleToAPInt().

Referenced by llvm::ExecutionEngine::getConstantValue().

double llvm::APIntOps::RoundSignedAPIntToDouble

(

const APInt &

APIVal

)

[inline]

Converts the given APInt to a double value.

Treats the APInt as a signed value for conversion purposes.

Definition at line 1461 of file APInt.h.

References llvm::APInt::signedRoundToDouble().

float llvm::APIntOps::RoundSignedAPIntToFloat

(

const APInt &

APIVal

)

[inline]

Converts the given APInt to a float value.

Treast the APInt as a signed value for conversion purposes.

Definition at line 1472 of file APInt.h.

References llvm::APInt::signedRoundToDouble().

APInt llvm::APIntOps::sdiv	(	const APInt &	LHS,
		const APInt &	RHS
	)			[inline]

Signed division function for APInt.

Signed divide APInt LHS by APInt RHS.

Definition at line 1506 of file APInt.h.

References llvm::APInt::sdiv().

Referenced by SolveQuadraticEquation().

APInt llvm::APIntOps::shl	(	const APInt &	LHS,
		uint32_t	shiftAmt
	)			[inline]

Left-shift function.

Left-shift the APInt by shiftAmt.

Definition at line 1500 of file APInt.h.

References llvm::APInt::shl().

Referenced by dyn_castFoldableMul(), llvm::APInt::getLoBits(), and llvm::ConstantRange::zeroExtend().

APInt llvm::APIntOps::smax	(	const APInt &	A,
		const APInt &	B
	)			[inline]

Determine the larger of two APInts considered to be signed.

Definition at line 1400 of file APInt.h.

References llvm::APInt::sgt().

Referenced by llvm::ScalarEvolution::getSMaxExpr().

APInt llvm::APIntOps::smin	(	const APInt &	A,
		const APInt &	B
	)			[inline]

Determine the smaller of two APInts considered to be signed.

Definition at line 1395 of file APInt.h.

References llvm::APInt::slt().

APInt llvm::APIntOps::srem	(	const APInt &	LHS,
		const APInt &	RHS
	)			[inline]

Function for signed remainder operation.

Signed remainder operation on APInt.

Definition at line 1518 of file APInt.h.

References llvm::APInt::srem().

APInt llvm::APIntOps::sub	(	const APInt &	LHS,
		const APInt &	RHS
	)			[inline]

Function for subtraction operation.

Performs subtraction on APInt values.

Definition at line 1542 of file APInt.h.

APInt llvm::APIntOps::udiv	(	const APInt &	LHS,
		const APInt &	RHS
	)			[inline]

Unsigned division function for APInt.

Unsigned divide APInt LHS by APInt RHS.

Definition at line 1512 of file APInt.h.

References llvm::APInt::udiv().

Referenced by llvm::SCEVAddRecExpr::getNumIterationsInRange().

APInt llvm::APIntOps::umax	(	const APInt &	A,
		const APInt &	B
	)			[inline]

Determine the larger of two APInts considered to be unsigned.

Definition at line 1410 of file APInt.h.

References llvm::APInt::ugt().

Referenced by llvm::ScalarEvolution::getUMaxExpr(), and llvm::ConstantRange::intersectWith().

APInt llvm::APIntOps::umin	(	const APInt &	A,
		const APInt &	B
	)			[inline]

Determine the smaller of two APInts considered to be signed.

Definition at line 1405 of file APInt.h.

References llvm::APInt::ult().

Referenced by llvm::ConstantRange::intersectWith().

APInt llvm::APIntOps::urem	(	const APInt &	LHS,
		const APInt &	RHS
	)			[inline]

Function for unsigned remainder operation.

Unsigned remainder operation on APInt.

Definition at line 1524 of file APInt.h.

References llvm::APInt::urem().

Referenced by GreatestCommonDivisor(), and SolveLinEquationWithOverflow().

APInt llvm::APIntOps::Xor	(	const APInt &	LHS,
		const APInt &	RHS
	)			[inline]

Bitwise XOR function for APInt.

Performs bitwise XOR operation on APInt.

Definition at line 1561 of file APInt.h.

Referenced by llvm::ComputeMaskedBits(), llvm::ComputeNumSignBits(), llvm::ConstantFoldBinaryInstruction(), llvm::BinaryOperator::CreateNot(), DominatesMergePoint(), llvm::AsmPrinter::EmitConstantValueOnly(), llvm::ConstantExpr::get(), llvm::ExecutionEngine::getConstantValue(), GetDecodedBinaryOpcode(), GetEncodedBinaryOpcode(), llvm::ConstantExpr::getNot(), llvm::Instruction::getOpcodeName(), GetSelectFoldableConstant(), GetSelectFoldableOperands(), llvm::ConstantExpr::getXor(), llvm::BinaryOperator::init(), llvm::Instruction::isAssociative(), llvm::Instruction::isCommutative(), llvm::BinaryOperator::isNot(), llvm::PatternMatch::not_match< LHS_t >::match(), llvm::FastISel::SelectOperator(), SpeculativelyExecuteBB(), and llvm::Interpreter::visitBinaryOperator().