#include "llvm/Analysis/RegionInfo.h"

Inheritance diagram for llvm::Region:

[legend]

Public Member Functions
	Region (BasicBlock Entry, BasicBlock Exit, RegionInfo RI, DominatorTree DT, Region *Parent=nullptr)

	~Region ()

bool	operator== (const RegionNode &RN) const

Public Member Functions inherited from llvm::RegionBase< RegionTraits< Function > >
	RegionBase (BlockT Entry, BlockT Exit, RegionInfoT RI, DomTreeT DT, RegionT *Parent=nullptr)
	Create a new region.

	RegionBase (const RegionBase &)=delete

RegionBase &	operator= (const RegionBase &)=delete

	~RegionBase ()
	Delete the Region and all its subregions.

BlockT *	getEntry () const
	Get the entry BasicBlock of the Region.

void	replaceEntry (BlockT *BB)
	Replace the entry basic block of the region with the new basic block.

void	replaceExit (BlockT *BB)
	Replace the exit basic block of the region with the new basic block.

void	replaceEntryRecursive (BlockT *NewEntry)
	Recursively replace the entry basic block of the region.

void	replaceExitRecursive (BlockT *NewExit)
	Recursively replace the exit basic block of the region.

BlockT *	getExit () const
	Get the exit BasicBlock of the Region.

RegionT *	getParent () const
	Get the parent of the Region.

RegionNodeT *	getNode () const
	Get the RegionNode representing the current Region.

RegionNodeT *	getNode (BlockT *BB) const
	Get the RegionNode for a BasicBlock.

unsigned	getDepth () const
	Get the nesting level of this Region.

bool	isTopLevelRegion () const
	Check if a Region is the TopLevel region.

RegionT *	getExpandedRegion () const
	Return a new (non-canonical) region, that is obtained by joining this region with its predecessors.

BlockT *	getEnteringBlock () const
	Return the first block of this region's single entry edge, if existing.

BlockT *	getExitingBlock () const
	Return the first block of this region's single exit edge, if existing.

bool	getExitingBlocks (SmallVectorImpl< BlockT * > &Exitings) const
	Collect all blocks of this region's single exit edge, if existing.

bool	isSimple () const
	Is this a simple region?

std::string	getNameStr () const
	Returns the name of the Region.

RegionInfoT *	getRegionInfo () const
	Return the RegionInfo object, that belongs to this Region.

void	print (raw_ostream &OS, bool printTree=true, unsigned level=0, PrintStyle Style=PrintNone) const
	Print the region.

void	dump () const
	Print the region to stderr.

bool	contains (const BlockT *BB) const
	Check if the region contains a BasicBlock.

bool	contains (const RegionT *SubRegion) const
	Check if the region contains another region.

bool	contains (const InstT *Inst) const
	Check if the region contains an Instruction.

bool	contains (const LoopT *L) const
	Check if the region contains a loop.

LoopT *	outermostLoopInRegion (LoopT *L) const
	Get the outermost loop in the region that contains a loop.

LoopT *	outermostLoopInRegion (LoopInfoT LI, BlockT BB) const
	Get the outermost loop in the region that contains a basic block.

RegionT *	getSubRegionNode (BlockT *BB) const
	Get the subregion that starts at a BasicBlock.

RegionNodeT *	getBBNode (BlockT *BB) const
	Get the BasicBlock RegionNode for a BasicBlock.

void	addSubRegion (RegionT *SubRegion, bool moveChildren=false)
	Add a new subregion to this Region.

RegionT *	removeSubRegion (RegionT *SubRegion)
	Remove a subregion from this Region.

void	transferChildrenTo (RegionT *To)
	Move all direct child nodes of this Region to another Region.

void	verifyRegion () const
	Verify if the region is a correct region.

void	clearNodeCache ()
	Clear the cache for BB RegionNodes.

iterator	begin ()

const_iterator	begin () const

iterator	end ()

const_iterator	end () const

block_iterator	block_begin ()

const_block_iterator	block_begin () const

block_iterator	block_end ()

const_block_iterator	block_end () const

block_range	blocks ()
	Returns a range view of the basic blocks in the region.

const_block_range	blocks () const
	Returns a range view of the basic blocks in the region.

element_iterator	element_begin ()

const_element_iterator	element_begin () const

element_iterator	element_end ()

const_element_iterator	element_end () const

iterator_range< element_iterator >	elements ()

iterator_range< const_element_iterator >	elements () const

Public Member Functions inherited from llvm::RegionNodeBase< Tr >
	RegionNodeBase (const RegionNodeBase &)=delete

RegionNodeBase &	operator= (const RegionNodeBase &)=delete

RegionT *	getParent () const
	Get the parent Region of this RegionNode.

BlockT *	getEntry () const
	Get the entry BasicBlock of this RegionNode.

template<class T >
T *	getNodeAs () const
	Get the content of this RegionNode.

bool	isSubRegion () const
	Is this RegionNode a subregion?

BasicBlock *	getNodeAs () const

Region *	getNodeAs () const

MachineBasicBlock *	getNodeAs () const

MachineRegion *	getNodeAs () const

Additional Inherited Members
Public Types inherited from llvm::RegionBase< RegionTraits< Function > >
enum	PrintStyle
	PrintStyle - Print region in difference ways. More...

using	iterator = typename RegionSet::iterator

using	const_iterator = typename RegionSet::const_iterator

using	block_iterator = block_iterator_wrapper< false >

using	const_block_iterator = block_iterator_wrapper< true >

using	block_range = iterator_range< block_iterator >

using	const_block_range = iterator_range< const_block_iterator >

using	element_iterator = df_iterator< RegionNodeT , df_iterator_default_set< RegionNodeT >, false, GraphTraits< RegionNodeT * > >

using	const_element_iterator = df_iterator< const RegionNodeT , df_iterator_default_set< const RegionNodeT >, false, GraphTraits< const RegionNodeT * > >

Public Types inherited from llvm::RegionNodeBase< Tr >
using	BlockT = typename Tr::BlockT

using	RegionT = typename Tr::RegionT

Protected Member Functions inherited from llvm::RegionNodeBase< Tr >
	RegionNodeBase (RegionT Parent, BlockT Entry, bool isSubRegion=false)
	Create a RegionNode.

Detailed Description

Definition at line 889 of file RegionInfo.h.

Constructor & Destructor Documentation

◆ Region()

Region::Region	(	BasicBlock *	Entry,
		BasicBlock *	Exit,
		RegionInfo *	RI,
		DominatorTree *	DT,
		Region *	Parent = `nullptr`
	)

Definition at line 62 of file RegionInfo.cpp.

◆ ~Region()

Region::~Region ( )

default

Member Function Documentation

◆ operator==()

bool llvm::Region::operator== ( const RegionNode & RN ) const

inline

Definition at line 895 of file RegionInfo.h.

The documentation for this class was generated from the following files:

include/llvm/Analysis/RegionInfo.h
lib/Analysis/RegionInfo.cpp