llvm::PBQP Namespace Reference

Namespaces
namespace	RegAlloc

Classes
class	Graph
	PBQP Graph class. More...
class	GraphBase
class	Matrix
	PBQP Matrix class. More...
class	MDMatrix
class	MDVector
class	PoolCostAllocator
class	Solution
	Represents a solution to a PBQP problem. More...
class	ValuePool
class	Vector
	PBQP Vector class. More...

Typedefs
using	PBQPNum = float

Functions
hash_code	hash_value (const Vector &V)
	Return a hash_value for the given vector.
template<typename OStream>
OStream &	operator<< (OStream &OS, const Vector &V)
	Output a textual representation of the given vector on the given output stream.
hash_code	hash_value (const Matrix &M)
	Return a hash_code for the given matrix.
template<typename OStream>
OStream &	operator<< (OStream &OS, const Matrix &M)
	Output a textual representation of the given matrix on the given output stream.
template<typename Metadata>
hash_code	hash_value (const MDVector< Metadata > &V)
template<typename Metadata>
hash_code	hash_value (const MDMatrix< Metadata > &M)
template<typename GraphT>
void	applyR1 (GraphT &G, typename GraphT::NodeId NId)
	Reduce a node of degree one.
template<typename GraphT>
void	applyR2 (GraphT &G, typename GraphT::NodeId NId)
template<typename VectorT>
bool	hasRegisterOptions (const VectorT &V)
template<typename GraphT, typename StackT>
Solution	backpropagate (GraphT &G, StackT stack)

Typedef Documentation

PBQPNum

using llvm::PBQP::PBQPNum = float

Definition at line 25 of file Math.h.

Function Documentation

applyR1()

template<typename GraphT>

void llvm::PBQP::applyR1	(	GraphT &	G,
		typename GraphT::NodeId	NId )

Reduce a node of degree one.

Propagate costs from the given node, which must be of degree one, to its neighbor. Notify the problem domain.

Definition at line 30 of file ReductionRules.h.

References assert(), C(), and G.

applyR2()

template<typename GraphT>

void llvm::PBQP::applyR2	(	GraphT &	G,
		typename GraphT::NodeId	NId )

Definition at line 74 of file ReductionRules.h.

References assert(), C(), G, llvm::PBQP::Vector::getLength(), llvm::PBQP::Matrix::getRows(), and Matrix.

backpropagate()

template<typename GraphT, typename StackT>

Solution llvm::PBQP::backpropagate	(	GraphT &	G,
		StackT	stack )

Definition at line 180 of file ReductionRules.h.

References assert(), G, llvm::PBQP::Matrix::getColAsVector(), llvm::PBQP::Matrix::getRowAsVector(), llvm::PBQP::Solution::getSelection(), hasRegisterOptions(), and llvm::PBQP::Solution::setSelection().

Referenced by llvm::PBQP::RegAlloc::RegAllocSolverImpl::solve().

hash_value() [1/4]

hash_code llvm::PBQP::hash_value ( const Matrix & M )

inline

Return a hash_code for the given matrix.

Definition at line 227 of file Math.h.

hash_value() [2/4]

template<typename Metadata>

hash_code llvm::PBQP::hash_value ( const MDMatrix< Metadata > & M )

inline

Definition at line 274 of file Math.h.

References hash_value().

hash_value() [3/4]

template<typename Metadata>

hash_code llvm::PBQP::hash_value ( const MDVector< Metadata > & V )

inline

Definition at line 257 of file Math.h.

References hash_value().

hash_value() [4/4]

hash_code llvm::PBQP::hash_value ( const Vector & V )

inline

Return a hash_value for the given vector.

Definition at line 95 of file Math.h.

References llvm::hash_combine(), and llvm::hash_combine_range().

Referenced by hash_value(), and hash_value().

hasRegisterOptions()

template<typename VectorT>

bool llvm::PBQP::hasRegisterOptions

(

const VectorT &

V

)

Definition at line 151 of file ReductionRules.h.

Referenced by backpropagate().

operator<<() [1/2]

template<typename OStream>

OStream & llvm::PBQP::operator<<	(	OStream &	OS,
		const Matrix &	M )

Output a textual representation of the given matrix on the given output stream.

Definition at line 237 of file Math.h.

References assert().

operator<<() [2/2]

template<typename OStream>

OStream & llvm::PBQP::operator<<	(	OStream &	OS,
		const Vector &	V )

Output a textual representation of the given vector on the given output stream.

Definition at line 104 of file Math.h.

References assert(), and llvm::interleaved().