Query interferences between a single live virtual register and a live interval union. More...

#include "llvm/CodeGen/LiveIntervalUnion.h"

Public Member Functions
	Query ()=default

	Query (const LiveRange &LR, const LiveIntervalUnion &LIU)

	Query (const Query &)=delete

Query &	operator= (const Query &)=delete

void	reset (unsigned NewUserTag, const LiveRange &NewLR, const LiveIntervalUnion &NewLiveUnion)

void	init (unsigned NewUserTag, const LiveRange &NewLR, const LiveIntervalUnion &NewLiveUnion)

bool	checkInterference ()

const SmallVectorImpl< const LiveInterval * > &	interferingVRegs (unsigned MaxInterferingRegs=std::numeric_limits< unsigned >::max())

Detailed Description

Query interferences between a single live virtual register and a live interval union.

Definition at line 112 of file LiveIntervalUnion.h.

Constructor & Destructor Documentation

◆ Query() [1/3]

llvm::LiveIntervalUnion::Query::Query ( )

default

◆ Query() [2/3]

llvm::LiveIntervalUnion::Query::Query	(	const LiveRange &	LR,
		const LiveIntervalUnion &	LIU
	)

inline

Definition at line 132 of file LiveIntervalUnion.h.

◆ Query() [3/3]

llvm::LiveIntervalUnion::Query::Query ( const Query & )

delete

Member Function Documentation

◆ checkInterference()

bool llvm::LiveIntervalUnion::Query::checkInterference ( )

inline

Definition at line 159 of file LiveIntervalUnion.h.

Referenced by llvm::RegAllocEvictionAdvisor::canReassign(), llvm::LiveRegMatrix::checkInterference(), and llvm::LiveRegMatrix::checkInterferenceLanes().

◆ init()

void llvm::LiveIntervalUnion::Query::init	(	unsigned	NewUserTag,
		const LiveRange &	NewLR,
		const LiveIntervalUnion &	NewLiveUnion
	)

inline

Definition at line 148 of file LiveIntervalUnion.h.

References llvm::LiveIntervalUnion::changedSince(), and reset().

Referenced by llvm::LiveRegMatrix::query().

◆ interferingVRegs()

const SmallVectorImpl< const LiveInterval * > & llvm::LiveIntervalUnion::Query::interferingVRegs ( unsigned MaxInterferingRegs = std::numeric_limits<unsigned>::max() )