The information necessary to create an outlined function that is matched globally. More...

#include "llvm/CodeGen/MachineOutliner.h"

Inheritance diagram for llvm::outliner::GlobalOutlinedFunction:

Public Member Functions
	GlobalOutlinedFunction (std::unique_ptr< OutlinedFunction > OF, unsigned GlobalOccurrenceCount)

unsigned	getOccurrenceCount () const override
	Return the number of times that appear globally.

unsigned	getOutliningCost () const override
	Return the outlining cost using the global occurrence count with the same cost as the first (unique) candidate.

	GlobalOutlinedFunction ()=delete

	~GlobalOutlinedFunction ()=default

Public Member Functions inherited from llvm::outliner::OutlinedFunction
virtual unsigned	getOccurrenceCount () const
	Return the number of candidates for this `OutlinedFunction`.

virtual unsigned	getOutliningCost () const
	Return the number of bytes it would take to outline this function.

unsigned	getNotOutlinedCost () const
	Return the size in bytes of the unoutlined sequences.

unsigned	getBenefit () const
	Return the number of instructions that would be saved by outlining this function.

unsigned	getNumInstrs () const
	Return the number of instructions in this sequence.

	OutlinedFunction (std::vector< Candidate > &Candidates, unsigned SequenceSize, unsigned FrameOverhead, unsigned FrameConstructionID)

	OutlinedFunction ()=delete

virtual	~OutlinedFunction ()=default

Public Attributes
unsigned	GlobalOccurrenceCount

Public Attributes inherited from llvm::outliner::OutlinedFunction
std::vector< Candidate >	Candidates

MachineFunction *	MF = nullptr
	The actual outlined function created.

unsigned	SequenceSize = 0
	Represents the size of a sequence in bytes.

unsigned	FrameOverhead = 0
	Target-defined overhead of constructing a frame for this function.

unsigned	FrameConstructionID = 0
	Target-defined identifier for constructing a frame for this function.

Detailed Description

The information necessary to create an outlined function that is matched globally.

Definition at line 281 of file MachineOutliner.h.

Constructor & Destructor Documentation

◆ GlobalOutlinedFunction() [1/2]

llvm::outliner::GlobalOutlinedFunction::GlobalOutlinedFunction	(	std::unique_ptr< OutlinedFunction >	OF,
		unsigned	GlobalOccurrenceCount
	)

inlineexplicit

Definition at line 282 of file MachineOutliner.h.

◆ GlobalOutlinedFunction() [2/2]

llvm::outliner::GlobalOutlinedFunction::GlobalOutlinedFunction ( )

delete

◆ ~GlobalOutlinedFunction()

llvm::outliner::GlobalOutlinedFunction::~GlobalOutlinedFunction ( )

default

Member Function Documentation

◆ getOccurrenceCount()

unsigned llvm::outliner::GlobalOutlinedFunction::getOccurrenceCount ( ) const

inlineoverridevirtual

Return the number of times that appear globally.

Global outlining candidate is uniquely created per each match, but this might be erased out when it's overlapped with the previous outlining instance.

Reimplemented from llvm::outliner::OutlinedFunction.

Definition at line 292 of file MachineOutliner.h.

References assert(), llvm::outliner::OutlinedFunction::Candidates, and GlobalOccurrenceCount.

Referenced by getOutliningCost().