clang 22.0.0git
Public Types | Public Member Functions | Static Public Member Functions | Public Attributes | List of all members
clang::threadSafety::til::SCFG Class Reference

An SCFG is a control-flow graph. More...

#include "clang/Analysis/Analyses/ThreadSafetyTIL.h"

Inheritance diagram for clang::threadSafety::til::SCFG:
[legend]

Public Types

using BlockArray = SimpleArray<BasicBlock *>
using iterator = BlockArray::iterator
using const_iterator = BlockArray::const_iterator

Public Member Functions

 SCFG (MemRegionRef A, unsigned Nblocks)
 Arena (Cfg.Arena)
 Blocks (std::move(Ba))
bool valid () const
 Return true if this CFG is valid.
bool normal () const
 Return true if this CFG has been normalized.
iterator begin ()
iterator end ()
const_iterator begin () const
const_iterator end () const
const_iterator cbegin () const
const_iterator cend () const
const BasicBlock * entry () const
BasicBlock * entry ()
const BasicBlock * exit () const
BasicBlock * exit ()
size_t numBlocks () const
 Return the number of blocks in the CFG.
unsigned numInstructions ()
 Return the total number of instructions in the CFG.
void add (BasicBlock *BB)
void setEntry (BasicBlock *BB)
void setExit (BasicBlock *BB)
void computeNormalForm ()
template<class V>
V::R_SExpr traverse (V &Vs, typename V::R_Ctx Ctx)
template<class C>
C::CType compare (const SCFG *E, C &Cmp) const
Public Member Functions inherited from clang::threadSafety::til::SExpr
 SExpr ()=delete
TIL_Opcode opcode () const
void * operator new (size_t S, MemRegionRef &R)
void * operator new (size_t)=delete
 SExpr objects must be created in an arena.
void operator delete (void *)=delete
 SExpr objects cannot be deleted.
unsigned id () const
 Returns the instruction ID for this expression.
BasicBlock * block () const
 Returns the block, if this is an instruction in a basic block, otherwise returns null.
void setID (BasicBlock *B, unsigned id)
 Set the basic block and instruction ID for this expression.

Static Public Member Functions

static bool classof (const SExpr *E)

Public Attributes

 : SExpr(COP_SCFG)

Additional Inherited Members

Protected Member Functions inherited from clang::threadSafety::til::SExpr
 SExpr (TIL_Opcode Op)
 SExpr (const SExpr &E)
SExpr & operator= (const SExpr &)=delete
Protected Attributes inherited from clang::threadSafety::til::SExpr
const TIL_Opcode Opcode
unsigned char Reserved = 0
unsigned short Flags = 0
unsigned SExprID = 0
BasicBlock * Block = nullptr

Detailed Description

An SCFG is a control-flow graph.

It consists of a set of basic blocks, each of which terminates in a branch to another basic block. There is one entry point, and one exit point.

Definition at line 1693 of file ThreadSafetyTIL.h.

Member Typedef Documentation

◆ BlockArray

using clang::threadSafety::til::SCFG::BlockArray = SimpleArray<BasicBlock *>

Definition at line 1695 of file ThreadSafetyTIL.h.

◆ const_iterator

using clang::threadSafety::til::SCFG::const_iterator = BlockArray::const_iterator

Definition at line 1697 of file ThreadSafetyTIL.h.

◆ iterator

using clang::threadSafety::til::SCFG::iterator = BlockArray::iterator

Definition at line 1696 of file ThreadSafetyTIL.h.

Constructor & Destructor Documentation

◆ SCFG()

clang::threadSafety::til::SCFG::SCFG ( MemRegionRef A,
unsigned Nblocks )
inline

Definition at line 1699 of file ThreadSafetyTIL.h.

Referenced by compare().

Member Function Documentation

◆ add()

void clang::threadSafety::til::SCFG::add ( BasicBlock * BB)
inline

Definition at line 1748 of file ThreadSafetyTIL.h.

◆ Arena()

clang::threadSafety::til::SCFG::Arena ( Cfg. Arena)

References clang::threadSafety::til::SExpr::SExpr().

◆ begin() [1/2]

iterator clang::threadSafety::til::SCFG::begin ( )
inline

Definition at line 1725 of file ThreadSafetyTIL.h.

◆ begin() [2/2]

const_iterator clang::threadSafety::til::SCFG::begin ( ) const
inline

Definition at line 1728 of file ThreadSafetyTIL.h.

References cbegin().

◆ Blocks()

clang::threadSafety::til::SCFG::Blocks ( std::move(Ba) )
inline

Definition at line 1711 of file ThreadSafetyTIL.h.

◆ cbegin()

const_iterator clang::threadSafety::til::SCFG::cbegin ( ) const
inline

Definition at line 1731 of file ThreadSafetyTIL.h.

Referenced by begin().

◆ cend()

const_iterator clang::threadSafety::til::SCFG::cend ( ) const
inline

Definition at line 1732 of file ThreadSafetyTIL.h.

Referenced by end().

◆ classof()

bool clang::threadSafety::til::SCFG::classof ( const SExpr * E)
inlinestatic

Definition at line 1715 of file ThreadSafetyTIL.h.

References clang::threadSafety::til::SExpr::opcode(), and clang::threadSafety::til::SExpr::SExpr().

◆ compare()

template<class C>
C::CType clang::threadSafety::til::SCFG::compare ( const SCFG * E,
C & Cmp ) const
inline

Definition at line 1773 of file ThreadSafetyTIL.h.

References clang::C, and SCFG().

◆ computeNormalForm()

void SCFG::computeNormalForm ( )

Definition at line 289 of file ThreadSafetyTIL.cpp.

References clang::threadSafety::til::SExpr::Block, computeNodeID(), and computeNodeSize().

◆ end() [1/2]

iterator clang::threadSafety::til::SCFG::end ( )
inline

Definition at line 1726 of file ThreadSafetyTIL.h.

◆ end() [2/2]

const_iterator clang::threadSafety::til::SCFG::end ( ) const
inline

Definition at line 1729 of file ThreadSafetyTIL.h.

References cend().

◆ entry() [1/2]

BasicBlock * clang::threadSafety::til::SCFG::entry ( )
inline

Definition at line 1735 of file ThreadSafetyTIL.h.

◆ entry() [2/2]

const BasicBlock * clang::threadSafety::til::SCFG::entry ( ) const
inline

Definition at line 1734 of file ThreadSafetyTIL.h.

◆ exit() [1/2]

BasicBlock * clang::threadSafety::til::SCFG::exit ( )
inline

Definition at line 1737 of file ThreadSafetyTIL.h.

◆ exit() [2/2]

const BasicBlock * clang::threadSafety::til::SCFG::exit ( ) const
inline

Definition at line 1736 of file ThreadSafetyTIL.h.

◆ normal()

bool clang::threadSafety::til::SCFG::normal ( ) const
inline

Return true if this CFG has been normalized.

After normalization, blocks are in topological order, and block and instruction IDs have been assigned.

Definition at line 1723 of file ThreadSafetyTIL.h.

◆ numBlocks()

size_t clang::threadSafety::til::SCFG::numBlocks ( ) const
inline

Return the number of blocks in the CFG.

Block::blockID() will return a number less than numBlocks();

Definition at line 1741 of file ThreadSafetyTIL.h.

◆ numInstructions()

unsigned clang::threadSafety::til::SCFG::numInstructions ( )
inline

Return the total number of instructions in the CFG.

This is useful for building instruction side-tables; A call to SExpr::id() will return a number less than numInstructions().

Definition at line 1746 of file ThreadSafetyTIL.h.

◆ setEntry()

void clang::threadSafety::til::SCFG::setEntry ( BasicBlock * BB)
inline

Definition at line 1755 of file ThreadSafetyTIL.h.

◆ setExit()

void clang::threadSafety::til::SCFG::setExit ( BasicBlock * BB)
inline

Definition at line 1756 of file ThreadSafetyTIL.h.

◆ traverse()

template<class V>
V::R_SExpr clang::threadSafety::til::SCFG::traverse ( V & Vs,
typename V::R_Ctx Ctx )
inline

Definition at line 1761 of file ThreadSafetyTIL.h.

References V.

◆ valid()

bool clang::threadSafety::til::SCFG::valid ( ) const
inline

Return true if this CFG is valid.

Definition at line 1718 of file ThreadSafetyTIL.h.

Member Data Documentation

◆ __pad0__

clang::threadSafety::til::SCFG::__pad0__

Definition at line 1699 of file ThreadSafetyTIL.h.

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