LLVM  6.0.0svn
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llvm::PostDominatorTree Struct Reference

PostDominatorTree Class - Concrete subclass of DominatorTree that is used to compute the post-dominator tree. More...

#include "llvm/Analysis/PostDominators.h"

Inheritance diagram for llvm::PostDominatorTree:
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Public Types

using Base = PostDomTreeBase< BasicBlock >
 
- Public Types inherited from llvm::DominatorTreeBase< NodeT, IsPostDom >
using NodeType = NodeT
 
using NodePtr = NodeT *
 
using ParentPtr = decltype(std::declval< NodeT * >() ->getParent())
 
using ParentType = typename std::remove_pointer< ParentPtr >::type
 
using UpdateType = DomTreeBuilder::Update< NodePtr >
 
using UpdateKind = DomTreeBuilder::UpdateKind
 

Public Member Functions

bool invalidate (Function &F, const PreservedAnalyses &PA, FunctionAnalysisManager::Invalidator &)
 Handle invalidation explicitly. More...
 
- Public Member Functions inherited from llvm::DominatorTreeBase< NodeT, IsPostDom >
 DominatorTreeBase ()
 
 DominatorTreeBase (DominatorTreeBase &&Arg)
 
DominatorTreeBaseoperator= (DominatorTreeBase &&RHS)
 
 DominatorTreeBase (const DominatorTreeBase &)=delete
 
DominatorTreeBaseoperator= (const DominatorTreeBase &)=delete
 
const SmallVectorImpl< NodeT * > & getRoots () const
 getRoots - Return the root blocks of the current CFG. More...
 
bool isPostDominator () const
 isPostDominator - Returns true if analysis based of postdoms More...
 
bool compare (const DominatorTreeBase &Other) const
 compare - Return false if the other dominator tree base matches this dominator tree base. More...
 
void releaseMemory ()
 
DomTreeNodeBase< NodeT > * getNode (NodeT *BB) const
 getNode - return the (Post)DominatorTree node for the specified basic block. More...
 
DomTreeNodeBase< NodeT > * operator[] (NodeT *BB) const
 See getNode. More...
 
DomTreeNodeBase< NodeT > * getRootNode ()
 getRootNode - This returns the entry node for the CFG of the function. More...
 
const DomTreeNodeBase< NodeT > * getRootNode () const
 
void getDescendants (NodeT *R, SmallVectorImpl< NodeT *> &Result) const
 Get all nodes dominated by R, including R itself. More...
 
bool properlyDominates (const DomTreeNodeBase< NodeT > *A, const DomTreeNodeBase< NodeT > *B) const
 properlyDominates - Returns true iff A dominates B and A != B. More...
 
bool properlyDominates (const NodeT *A, const NodeT *B) const
 
bool isReachableFromEntry (const NodeT *A) const
 isReachableFromEntry - Return true if A is dominated by the entry block of the function containing it. More...
 
bool isReachableFromEntry (const DomTreeNodeBase< NodeT > *A) const
 
bool dominates (const DomTreeNodeBase< NodeT > *A, const DomTreeNodeBase< NodeT > *B) const
 dominates - Returns true iff A dominates B. More...
 
bool dominates (const NodeT *A, const NodeT *B) const
 
NodeT * getRoot () const
 
NodeT * findNearestCommonDominator (NodeT *A, NodeT *B) const
 findNearestCommonDominator - Find nearest common dominator basic block for basic block A and B. More...
 
const NodeT * findNearestCommonDominator (const NodeT *A, const NodeT *B) const
 
bool isVirtualRoot (const DomTreeNodeBase< NodeT > *A) const
 
void applyUpdates (ArrayRef< UpdateType > Updates)
 Inform the dominator tree about a sequence of CFG edge insertions and deletions and perform a batch update on the tree. More...
 
void insertEdge (NodeT *From, NodeT *To)
 Inform the dominator tree about a CFG edge insertion and update the tree. More...
 
void deleteEdge (NodeT *From, NodeT *To)
 Inform the dominator tree about a CFG edge deletion and update the tree. More...
 
DomTreeNodeBase< NodeT > * addNewBlock (NodeT *BB, NodeT *DomBB)
 Add a new node to the dominator tree information. More...
 
DomTreeNodeBase< NodeT > * setNewRoot (NodeT *BB)
 Add a new node to the forward dominator tree and make it a new root. More...
 
void changeImmediateDominator (DomTreeNodeBase< NodeT > *N, DomTreeNodeBase< NodeT > *NewIDom)
 changeImmediateDominator - This method is used to update the dominator tree information when a node's immediate dominator changes. More...
 
void changeImmediateDominator (NodeT *BB, NodeT *NewBB)
 
void eraseNode (NodeT *BB)
 eraseNode - Removes a node from the dominator tree. More...
 
void splitBlock (NodeT *NewBB)
 splitBlock - BB is split and now it has one successor. More...
 
void print (raw_ostream &O) const
 print - Convert to human readable form More...
 
void updateDFSNumbers () const
 updateDFSNumbers - Assign In and Out numbers to the nodes while walking dominator tree in dfs order. More...
 
void recalculate (ParentType &Func)
 recalculate - compute a dominator tree for the given function More...
 
bool verify () const
 verify - check parent and sibling property More...
 

Additional Inherited Members

- Static Public Attributes inherited from llvm::DominatorTreeBase< NodeT, IsPostDom >
static constexpr bool IsPostDominator = IsPostDom
 
static constexpr UpdateKind Insert = UpdateKind::Insert
 
static constexpr UpdateKind Delete = UpdateKind::Delete
 
- Protected Types inherited from llvm::DominatorTreeBase< NodeT, IsPostDom >
using DomTreeNodeMapType = DenseMap< NodeT *, std::unique_ptr< DomTreeNodeBase< NodeT > >>
 
- Protected Member Functions inherited from llvm::DominatorTreeBase< NodeT, IsPostDom >
void addRoot (NodeT *BB)
 
void reset ()
 
template<class N >
void Split (typename GraphTraits< N >::NodeRef NewBB)
 
template<>
void addRoot (MachineBasicBlock *MBB)
 
- Protected Attributes inherited from llvm::DominatorTreeBase< NodeT, IsPostDom >
SmallVector< NodeT *, IsPostDom ? 4 :1 > Roots
 
DomTreeNodeMapType DomTreeNodes
 
DomTreeNodeBase< NodeT > * RootNode
 
ParentPtr Parent = nullptr
 
bool DFSInfoValid = false
 
unsigned int SlowQueries = 0
 

Detailed Description

PostDominatorTree Class - Concrete subclass of DominatorTree that is used to compute the post-dominator tree.

Definition at line 29 of file PostDominators.h.

Member Typedef Documentation

◆ Base

Definition at line 30 of file PostDominators.h.

Member Function Documentation

◆ invalidate()

bool llvm::PostDominatorTree::invalidate ( Function F,
const PreservedAnalyses PA,
FunctionAnalysisManager::Invalidator  
)

Handle invalidation explicitly.


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