llvm::MachineRegion

Synopsis

Declared in <llvm/CodeGen/MachineRegionInfo.h>

class MachineRegion
    : public RegionBase<RegionTraits<MachineFunction>>

Base Classes

Name	Description
`RegionBase<RegionTraits<MachineFunction>>`	A single-entry single-exit region in a control-flow graph.

Types

Name	Description
`block_iterator_wrapper`	Depth-first flat iterator over BasicBlocks contained in a Region.

Type Aliases

Name	Description
`block_iterator`	Mutable flat iterator over BasicBlocks in this Region.
`block_range`	Range of mutable flat BasicBlock iterators.
`const_block_iterator`	Const flat iterator over BasicBlocks in this Region.
`const_block_range`	Range of const flat BasicBlock iterators.
`const_element_iterator`	Const depth-first iterator over direct child RegionNodes.
`const_iterator`	Const iterator over the direct subregions of this Region.
`element_iterator`	Depth-first iterator over direct child RegionNodes.
`iterator`	Mutable iterator over the direct subregions of this Region.

Enums

Name	Description
`PrintStyle`	Print style used when dumping a Region.

Member Functions

Name	Description
`MachineRegion` [constructor]	Construct a machine region from `Entry` to `Exit.`
`~MachineRegion` [destructor]	Destroy this machine region and its owned subregions.
`operator=` [deleted]	Deleted copy assignment; RegionBase is not copyable.
`addSubRegion`	Add a new subregion to this Region.
`begin`	`begin` overloads
`block_begin`	`block_begin` overloads
`block_end`	`block_end` overloads
`blocks`	`blocks` overloads
`clearNodeCache`	Clear the cache for BB RegionNodes.
`contains`	`contains` overloads
`dump`	Print the region to stderr.
`element_begin`	`element_begin` overloads
`element_end`	`element_end` overloads
`elements`	`elements` overloads
`end`	`end` overloads
`getBBNode`	Get the BasicBlock RegionNode for a BasicBlock
`getDepth`	Get the nesting level of this Region.
`getEnteringBlock`	Return the first block of this region's single entry edge, if existing.
`getEntry`	Get the entry BasicBlock of the Region.
`getExit`	Get the exit BasicBlock of the Region.
`getExitingBlock`	Return the first block of this region's single exit edge, if existing.
`getExitingBlocks`	Collect all blocks of this region's single exit edge, if existing.
`getExpandedRegion`	Return a new (non-canonical) region, that is obtained by joining this region with its predecessors.
`getNameStr`	Returns the name of the Region.
`getNode`	`getNode` overloads
`getParent`	Get the parent of the Region.
`getRegionInfo`	Return the RegionInfo object, that belongs to this Region.
`getSubRegionNode`	Get the subregion that starts at a BasicBlock
`isSimple`	Is this a simple region?
`isTopLevelRegion`	Check if a Region is the TopLevel region.
`outermostLoopInRegion`	`outermostLoopInRegion` overloads
`print`	Print the region.
`removeSubRegion`	Remove a subregion from this Region.
`replaceEntry`	Replace the entry basic block of the region with the new basic block.
`replaceEntryRecursive`	Recursively replace the entry basic block of the region.
`replaceExit`	Replace the exit basic block of the region with the new basic block.
`replaceExitRecursive`	Recursively replace the exit basic block of the region.
`transferChildrenTo`	Move all direct child nodes of this Region to another Region.
`verifyRegion`	Verify if the region is a correct region.
`operator==`	Return true if this region is the same object as region node `RN.`