LLVM 19.0.0git
Public Types | Public Member Functions | Public Attributes | List of all members
llvm::BlockFrequencyInfoImplBase::LoopData Struct Reference

Data about a loop. More...

#include "llvm/Analysis/BlockFrequencyInfoImpl.h"

Public Types

using ExitMap = SmallVector< std::pair< BlockNode, BlockMass >, 4 >
using NodeList = SmallVector< BlockNode, 4 >
using HeaderMassList = SmallVector< BlockMass, 1 >

Public Member Functions

 LoopData (LoopData *Parent, const BlockNode &Header)
template<class It1 , class It2 >
 LoopData (LoopData *Parent, It1 FirstHeader, It1 LastHeader, It2 FirstOther, It2 LastOther)
bool isHeader (const BlockNode &Node) const
BlockNode getHeader () const
bool isIrreducible () const
HeaderMassList::difference_type getHeaderIndex (const BlockNode &B)
NodeList::const_iterator members_begin () const
NodeList::const_iterator members_end () const
iterator_range< NodeList::const_iteratormembers () const

Public Attributes

 The parent loop.
bool IsPackaged = false
 Whether this has been packaged.
uint32_t NumHeaders = 1
 Number of headers.
ExitMap Exits
 Successor edges (and weights).
NodeList Nodes
 Header and the members of the loop.
HeaderMassList BackedgeMass
 Mass returned to each loop header.
BlockMass Mass
Scaled64 Scale

Detailed Description

Data about a loop.

Contains the data necessary to represent a loop as a pseudo-node once it's packaged.

Definition at line 224 of file BlockFrequencyInfoImpl.h.

Member Typedef Documentation

◆ ExitMap

Definition at line 225 of file BlockFrequencyInfoImpl.h.

◆ HeaderMassList

Definition at line 227 of file BlockFrequencyInfoImpl.h.

◆ NodeList

Definition at line 226 of file BlockFrequencyInfoImpl.h.

Constructor & Destructor Documentation

◆ LoopData() [1/2]

llvm::BlockFrequencyInfoImplBase::LoopData::LoopData ( LoopData Parent,
const BlockNode Header 

Definition at line 238 of file BlockFrequencyInfoImpl.h.

◆ LoopData() [2/2]

template<class It1 , class It2 >
llvm::BlockFrequencyInfoImplBase::LoopData::LoopData ( LoopData Parent,
It1  FirstHeader,
It1  LastHeader,
It2  FirstOther,
It2  LastOther 

Member Function Documentation

◆ getHeader()

BlockNode llvm::BlockFrequencyInfoImplBase::LoopData::getHeader ( ) const

Definition at line 257 of file BlockFrequencyInfoImpl.h.

References Nodes.

Referenced by llvm::bfi_detail::IrreducibleGraph::addNodesInLoop().

◆ getHeaderIndex()

HeaderMassList::difference_type llvm::BlockFrequencyInfoImplBase::LoopData::getHeaderIndex ( const BlockNode B)

◆ isHeader()

bool llvm::BlockFrequencyInfoImplBase::LoopData::isHeader ( const BlockNode Node) const

◆ isIrreducible()

bool llvm::BlockFrequencyInfoImplBase::LoopData::isIrreducible ( ) const

◆ members()

iterator_range< NodeList::const_iterator > llvm::BlockFrequencyInfoImplBase::LoopData::members ( ) const

Definition at line 273 of file BlockFrequencyInfoImpl.h.

References llvm::make_range(), members_begin(), and members_end().

◆ members_begin()

NodeList::const_iterator llvm::BlockFrequencyInfoImplBase::LoopData::members_begin ( ) const

◆ members_end()

NodeList::const_iterator llvm::BlockFrequencyInfoImplBase::LoopData::members_end ( ) const

Definition at line 272 of file BlockFrequencyInfoImpl.h.

References llvm::SmallVectorTemplateCommon< T, typename >::end(), and Nodes.

Referenced by members().

Member Data Documentation

◆ BackedgeMass

HeaderMassList llvm::BlockFrequencyInfoImplBase::LoopData::BackedgeMass

◆ Exits

ExitMap llvm::BlockFrequencyInfoImplBase::LoopData::Exits

◆ IsPackaged

bool llvm::BlockFrequencyInfoImplBase::LoopData::IsPackaged = false

Whether this has been packaged.

Definition at line 230 of file BlockFrequencyInfoImpl.h.

◆ Mass

BlockMass llvm::BlockFrequencyInfoImplBase::LoopData::Mass

Definition at line 235 of file BlockFrequencyInfoImpl.h.

◆ Nodes

NodeList llvm::BlockFrequencyInfoImplBase::LoopData::Nodes

◆ NumHeaders

uint32_t llvm::BlockFrequencyInfoImplBase::LoopData::NumHeaders = 1

Number of headers.

Definition at line 231 of file BlockFrequencyInfoImpl.h.

Referenced by getHeaderIndex(), isHeader(), isIrreducible(), LoopData(), and members_begin().

◆ Parent

LoopData* llvm::BlockFrequencyInfoImplBase::LoopData::Parent

The parent loop.

Definition at line 229 of file BlockFrequencyInfoImpl.h.

◆ Scale

Scaled64 llvm::BlockFrequencyInfoImplBase::LoopData::Scale

Definition at line 236 of file BlockFrequencyInfoImpl.h.

The documentation for this struct was generated from the following file: