This class acts as the glue that joins the CombinerHelper to the overall Combine algorithm. More...

Inheritance diagram for llvm::Combiner::WorkListMaintainer:

Public Member Functions
virtual	~WorkListMaintainer ()=default
void	reportFullyCreatedInstrs ()
virtual void	reset ()=0
virtual void	appliedCombine ()=0
Public Member Functions inherited from llvm::GISelChangeObserver
virtual	~GISelChangeObserver ()=default
virtual void	erasingInstr (MachineInstr &MI)=0
	An instruction is about to be erased.
virtual void	createdInstr (MachineInstr &MI)=0
	An instruction has been created and inserted into the function.
virtual void	changingInstr (MachineInstr &MI)=0
	This instruction is about to be mutated in some way.
virtual void	changedInstr (MachineInstr &MI)=0
	This instruction was mutated in some way.
LLVM_ABI void	changingAllUsesOfReg (const MachineRegisterInfo &MRI, Register Reg)
	All the instructions using the given register are being changed.
LLVM_ABI void	finishedChangingAllUsesOfReg ()
	All instructions reported as changing by changingAllUsesOfReg() have finished being changed.

Static Public Member Functions
static std::unique_ptr< WorkListMaintainer >	create (Level Lvl, WorkListTy &WorkList, MachineRegisterInfo &MRI)

Protected Types
using	Level = CombinerInfo::ObserverLevel

Protected Attributes
SmallSetVector< const MachineInstr *, 32 >	CreatedInstrs
	The instructions that have been created but we want to report once they have their operands.

Detailed Description

This class acts as the glue that joins the CombinerHelper to the overall Combine algorithm.

The CombinerHelper is intended to report the modifications it makes to the MIR to the GISelChangeObserver and the observer subclass will act on these events.

Definition at line 52 of file Combiner.cpp.

Member Typedef Documentation

◆ Level

using llvm::Combiner::WorkListMaintainer::Level = CombinerInfo::ObserverLevel

protected

Definition at line 59 of file Combiner.cpp.

Constructor & Destructor Documentation

◆ ~WorkListMaintainer()

virtual llvm::Combiner::WorkListMaintainer::~WorkListMaintainer ( )

virtualdefault

Member Function Documentation

◆ appliedCombine()

virtual void llvm::Combiner::WorkListMaintainer::appliedCombine ( )

pure virtual

Implemented in llvm::Combiner::WorkListMaintainerImpl< Lvl >.

◆ create()

std::unique_ptr< Combiner::WorkListMaintainer > llvm::Combiner::WorkListMaintainer::create	(	Level	Lvl,
		WorkListTy &	WorkList,
		MachineRegisterInfo &	MRI )

static

Definition at line 209 of file Combiner.cpp.

References llvm_unreachable, and llvm::Combiner::MRI.

◆ reportFullyCreatedInstrs()

void llvm::Combiner::WorkListMaintainer::reportFullyCreatedInstrs ( )

inline

Definition at line 67 of file Combiner.cpp.

References CreatedInstrs, llvm::dbgs(), LLVM_DEBUG, and MI.

◆ reset()

virtual void llvm::Combiner::WorkListMaintainer::reset ( )

pure virtual

Implemented in llvm::Combiner::WorkListMaintainerImpl< Lvl >.

Member Data Documentation

◆ CreatedInstrs

SmallSetVector<const MachineInstr *, 32> llvm::Combiner::WorkListMaintainer::CreatedInstrs

protected

The instructions that have been created but we want to report once they have their operands.

This is only maintained if debug output is requested.

Definition at line 57 of file Combiner.cpp.

Referenced by llvm::Combiner::WorkListMaintainerImpl< Lvl >::createdInstr(), llvm::Combiner::WorkListMaintainerImpl< Lvl >::erasingInstr(), and reportFullyCreatedInstrs().

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

lib/CodeGen/GlobalISel/Combiner.cpp

Public Member Functions

Static Public Member Functions

Protected Types

Protected Attributes