Cycle information for a function. More...

#include "llvm/ADT/GenericCycleInfo.h"

Inheritance diagram for llvm::GenericCycleInfo< ContextT >:

Classes
struct	const_toplevel_iterator

Public Types
using	BlockT = typename ContextT::BlockT

using	CycleT = GenericCycle< ContextT >

using	FunctionT = typename ContextT::FunctionT

using	const_toplevel_iterator_base = typename std::vector< std::unique_ptr< CycleT > >::const_iterator
	Iteration over top-level cycles.

Public Member Functions
	GenericCycleInfo ()=default

	GenericCycleInfo (GenericCycleInfo &&)=default

GenericCycleInfo &	operator= (GenericCycleInfo &&)=default

void	clear ()
	Reset the object to its initial state.

void	compute (FunctionT &F)
	Compute the cycle info for a function.

void	splitCriticalEdge (BlockT Pred, BlockT Succ, BlockT *New)

const FunctionT *	getFunction () const

const ContextT &	getSSAContext () const

CycleT *	getCycle (const BlockT *Block) const
	Find the innermost cycle containing a given block.

CycleT *	getSmallestCommonCycle (CycleT A, CycleT B) const
	Find the innermost cycle containing both given cycles.

unsigned	getCycleDepth (const BlockT *Block) const
	get the depth for the cycle which containing a given block.

CycleT *	getTopLevelParentCycle (BlockT *Block)

bool	validateTree () const
	Methods for debug and self-test.

void	print (raw_ostream &Out) const
	Print the cycle info.

void	dump () const

Printable	print (const CycleT *Cycle)

const_toplevel_iterator	toplevel_begin () const

const_toplevel_iterator	toplevel_end () const

iterator_range< const_toplevel_iterator >	toplevel_cycles () const

Friends
template<typename >
class	GenericCycle

template<typename >
class	GenericCycleInfoCompute

Detailed Description

template<typename ContextT>
class llvm::GenericCycleInfo< ContextT >

Cycle information for a function.

Definition at line 226 of file GenericCycleInfo.h.

Member Typedef Documentation

◆ BlockT

template<typename ContextT >

using llvm::GenericCycleInfo< ContextT >::BlockT = typename ContextT::BlockT

Definition at line 228 of file GenericCycleInfo.h.

◆ const_toplevel_iterator_base

template<typename ContextT >

using llvm::GenericCycleInfo< ContextT >::const_toplevel_iterator_base = typename std::vector<std::unique_ptr<CycleT> >::const_iterator

Iteration over top-level cycles.

Definition at line 290 of file GenericCycleInfo.h.

◆ CycleT

template<typename ContextT >

using llvm::GenericCycleInfo< ContextT >::CycleT = GenericCycle<ContextT>

Definition at line 229 of file GenericCycleInfo.h.

◆ FunctionT

template<typename ContextT >

using llvm::GenericCycleInfo< ContextT >::FunctionT = typename ContextT::FunctionT

Definition at line 230 of file GenericCycleInfo.h.

Constructor & Destructor Documentation

◆ GenericCycleInfo() [1/2]

template<typename ContextT >

llvm::GenericCycleInfo< ContextT >::GenericCycleInfo ( )

default

◆ GenericCycleInfo() [2/2]

template<typename ContextT >

llvm::GenericCycleInfo< ContextT >::GenericCycleInfo ( GenericCycleInfo< ContextT > && )

default

Member Function Documentation

◆ clear()

template<typename ContextT >

void llvm::GenericCycleInfo< ContextT >::clear

Reset the object to its initial state.

Definition at line 388 of file GenericCycleImpl.h.

Referenced by llvm::CycleInfoWrapperPass::releaseMemory(), llvm::MachineCycleInfoWrapperPass::releaseMemory(), llvm::CycleInfoWrapperPass::runOnFunction(), and llvm::MachineCycleInfoWrapperPass::runOnMachineFunction().

◆ compute()

template<typename ContextT >

void llvm::GenericCycleInfo< ContextT >::compute ( FunctionT & F )

Compute the cycle info for a function.

Definition at line 396 of file GenericCycleImpl.h.

References assert(), llvm::errs(), F, LLVM_DEBUG, and llvm::GenericCycleInfoCompute< ContextT >::run().

Referenced by llvm::CycleAnalysis::run(), llvm::CycleInfoWrapperPass::runOnFunction(), and llvm::MachineCycleInfoWrapperPass::runOnMachineFunction().

◆ dump()

template<typename ContextT >

void llvm::GenericCycleInfo< ContextT >::dump ( ) const

inline

Definition at line 284 of file GenericCycleInfo.h.

References llvm::dbgs(), and llvm::GenericCycleInfo< ContextT >::print().

◆ getCycle()

template<typename ContextT >

auto llvm::GenericCycleInfo< ContextT >::getCycle ( const BlockT * Block ) const

Find the innermost cycle containing a given block.

Returns: the innermost cycle containing Block or nullptr if it is not contained in any cycle.

Definition at line 425 of file GenericCycleImpl.h.

References llvm::Block.

Referenced by llvm::SIInstrInfo::isSafeToSink(), and mayBeInCycle().

◆ getCycleDepth()

template<typename ContextT >

unsigned llvm::GenericCycleInfo< ContextT >::getCycleDepth ( const BlockT * Block ) const

get the depth for the cycle which containing a given block.

Returns: the depth for the innermost cycle containing Block or 0 if it is not contained in any cycle.

Definition at line 464 of file GenericCycleImpl.h.

References llvm::Block, and llvm::GenericCycle< ContextT >::getDepth().

◆ getFunction()

template<typename ContextT >

const FunctionT * llvm::GenericCycleInfo< ContextT >::getFunction ( ) const

inline

Definition at line 270 of file GenericCycleInfo.h.

◆ getSmallestCommonCycle()

template<typename ContextT >

auto llvm::GenericCycleInfo< ContextT >::getSmallestCommonCycle	(	CycleT *	A,
		CycleT *	B
	)		const

Find the innermost cycle containing both given cycles.

Returns: the innermost cycle containing both A and B or nullptr if there is no such cycle.

Definition at line 435 of file GenericCycleImpl.h.

References A, and B.

◆ getSSAContext()

template<typename ContextT >

const ContextT & llvm::GenericCycleInfo< ContextT >::getSSAContext ( ) const

inline

Definition at line 271 of file GenericCycleInfo.h.

◆ getTopLevelParentCycle()

template<typename ContextT >

auto llvm::GenericCycleInfo< ContextT >::getTopLevelParentCycle ( BlockT * Block )

Definition at line 164 of file GenericCycleImpl.h.

References llvm::Block, and llvm::CallingConv::C.

◆ operator=()

template<typename ContextT >

GenericCycleInfo & llvm::GenericCycleInfo< ContextT >::operator= ( GenericCycleInfo< ContextT > && )

default

◆ print() [1/2]

template<typename ContextT >

Printable llvm::GenericCycleInfo< ContextT >::print ( const CycleT * Cycle )

inline

Definition at line 285 of file GenericCycleInfo.h.

References llvm::GenericCycle< ContextT >::print().

◆ print() [2/2]

template<typename ContextT >

void llvm::GenericCycleInfo< ContextT >::print ( raw_ostream & Out ) const

Print the cycle info.

Definition at line 541 of file GenericCycleImpl.h.

References llvm::depth_first(), I, and llvm::GenericCycle< ContextT >::print().

Referenced by llvm::GenericCycleInfo< ContextT >::dump(), llvm::CycleInfoWrapperPass::print(), and llvm::MachineCycleInfoWrapperPass::print().

◆ splitCriticalEdge()

template<typename ContextT >

void llvm::GenericCycleInfo< ContextT >::splitCriticalEdge	(	BlockT *	Pred,
		BlockT *	Succ,
		BlockT *	New
	)

Definition at line 408 of file GenericCycleImpl.h.

References assert().

◆ toplevel_begin()

template<typename ContextT >

const_toplevel_iterator llvm::GenericCycleInfo< ContextT >::toplevel_begin ( ) const

inline

Definition at line 306 of file GenericCycleInfo.h.

◆ toplevel_cycles()

template<typename ContextT >

iterator_range< const_toplevel_iterator > llvm::GenericCycleInfo< ContextT >::toplevel_cycles ( ) const

inline

Definition at line 313 of file GenericCycleInfo.h.

References llvm::make_range().

◆ toplevel_end()

template<typename ContextT >

const_toplevel_iterator llvm::GenericCycleInfo< ContextT >::toplevel_end ( ) const

inline

Definition at line 309 of file GenericCycleInfo.h.

◆ validateTree()

template<typename ContextT >

bool llvm::GenericCycleInfo< ContextT >::validateTree

Methods for debug and self-test.

Validate the internal consistency of the cycle tree.

Note that this does not check that cycles are really cycles in the CFG, or that the right set of cycles in the CFG were found.

Definition at line 477 of file GenericCycleImpl.h.

References llvm::Block, Blocks, check, llvm::GenericCycle< ContextT >::children(), Cond, llvm::GenericCycle< ContextT >::contains(), llvm::depth_first(), llvm::SmallVectorBase< Size_T >::empty(), llvm::errs(), llvm::is_contained(), and reportError().

Friends And Related Function Documentation

◆ GenericCycle

template<typename ContextT >

template<typename >

friend class GenericCycle

friend

Definition at line 231 of file GenericCycleInfo.h.

◆ GenericCycleInfoCompute

template<typename ContextT >

template<typename >

friend class GenericCycleInfoCompute

friend

Definition at line 232 of file GenericCycleInfo.h.

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

include/llvm/ADT/GenericCycleInfo.h
include/llvm/ADT/GenericCycleImpl.h

Classes

Public Types

Public Member Functions

Friends

Detailed Description

Member Typedef Documentation

◆ BlockT

◆ const_toplevel_iterator_base

◆ CycleT

◆ FunctionT

Constructor & Destructor Documentation

◆ GenericCycleInfo() [1/2]

◆ GenericCycleInfo() [2/2]

Member Function Documentation

◆ clear()

◆ compute()

◆ dump()

◆ getCycle()

◆ getCycleDepth()

◆ getFunction()

◆ getSmallestCommonCycle()

◆ getSSAContext()

◆ getTopLevelParentCycle()

◆ operator=()

◆ print() [1/2]

◆ print() [2/2]

◆ splitCriticalEdge()

◆ toplevel_begin()

◆ toplevel_cycles()

◆ toplevel_end()

◆ validateTree()

Friends And Related Function Documentation

◆ GenericCycle

◆ GenericCycleInfoCompute