Dominance frontier analysis result for a Function's BasicBlocks.

Synopsis

Declared in <llvm/Analysis/DominanceFrontier.h>

class DominanceFrontier
    : public DominanceFrontierBase<BasicBlock, false>

Base Classes

Name

Description

DominanceFrontierBase<BasicBlock, false>

Common base class for computing forward and inverse dominance frontiers.

Type Aliases

Name

Description

DomSetMapType

Map from each block to its dominance frontier set.

DomSetType

Set of blocks in the dominance frontier of a single block.

DomTreeNodeT

Dominator tree node type specialized for BasicBlock.

DomTreeT

Dominator tree type specialized for BasicBlock.

const_iterator

Const iterator over the dominance frontier map.

iterator

Mutable iterator over the dominance frontier map.

Member Functions

Name

Description

analyze

Compute dominance frontiers for all blocks in DT.

begin

begin overloads

dump

Dump the dominance frontier to dbgs().

end

end overloads

find

find overloads

invalidate

Handle invalidation explicitly.

isPostDominator

Return true if analysis based of postdoms.

print

Print the dominance frontiers in a human‐readable form.

releaseMemory

Clear the computed dominance frontier sets.

Protected Type Aliases

Name

Description

BlockTraits

GraphTraits specialization for GraphTy.

GraphTy

Graph type used when walking CFG edges (inverted when post‐dominating).

Protected Data Members

Name

Description

Frontiers

Dominance frontier set for each block in the function.

Protected Static Data Members

Name

Description

IsPostDominators

True when this instance computes post‐dominance frontiers.

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