llvm::GISelObserverWrapper Class Reference

Simple wrapper observer that takes several observers, and calls each one for each event. More...

#include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"

Inheritance diagram for llvm::GISelObserverWrapper:

Collaboration diagram for llvm::GISelObserverWrapper:

Public Member Functions
	GISelObserverWrapper ()=default
	GISelObserverWrapper (ArrayRef< GISelChangeObserver *> Obs)
void	addObserver (GISelChangeObserver *O)
void	removeObserver (GISelChangeObserver *O)
void	erasingInstr (MachineInstr &MI) override
	An instruction is about to be erased. More...
void	createdInstr (MachineInstr &MI) override
	An instruction was created and inserted into the function. More...
void	changingInstr (MachineInstr &MI) override
	This instruction is about to be mutated in some way. More...
void	changedInstr (MachineInstr &MI) override
	This instruction was mutated in some way. More...
void	MF_HandleInsertion (MachineInstr &MI) override
	Callback after an insertion. This should not modify the MI directly. More...
void	MF_HandleRemoval (MachineInstr &MI) override
	Callback before a removal. This should not modify the MI directly. More...
Public Member Functions inherited from llvm::MachineFunction::Delegate
virtual	~Delegate ()=default
Public Member Functions inherited from llvm::GISelChangeObserver
virtual	~GISelChangeObserver ()
void	changingAllUsesOfReg (const MachineRegisterInfo &MRI, unsigned Reg)
	All the instructions using the given register are being changed. More...
void	finishedChangingAllUsesOfReg ()
	All instructions reported as changing by changingAllUsesOfReg() have finished being changed. More...

Detailed Description

Simple wrapper observer that takes several observers, and calls each one for each event.

If there are multiple observers (say CSE, Legalizer, Combiner), it's sufficient to register this to the machine function as the delegate.

Definition at line 59 of file GISelChangeObserver.h.

Constructor & Destructor Documentation

GISelObserverWrapper() [1/2]

llvm::GISelObserverWrapper::GISelObserverWrapper ( )

default

GISelObserverWrapper() [2/2]

llvm::GISelObserverWrapper::GISelObserverWrapper ( ArrayRef< GISelChangeObserver *>  Obs )

inline

Definition at line 65 of file GISelChangeObserver.h.

Member Function Documentation

addObserver()

void llvm::GISelObserverWrapper::addObserver ( GISelChangeObserver *  O )

inline

Definition at line 68 of file GISelChangeObserver.h.

References llvm::SmallVectorTemplateBase< T >::push_back().

Referenced by llvm::Combiner::combineMachineInstrs(), llvm::Legalizer::runOnMachineFunction(), and llvm::IRTranslator::runOnMachineFunction().

changedInstr()

void llvm::GISelObserverWrapper::changedInstr ( MachineInstr &  MI )

inlineoverridevirtual

This instruction was mutated in some way.

Implements llvm::GISelChangeObserver.

Definition at line 89 of file GISelChangeObserver.h.

References llvm::RISCVFenceField::O.

changingInstr()

void llvm::GISelObserverWrapper::changingInstr ( MachineInstr &  MI )

inlineoverridevirtual

This instruction is about to be mutated in some way.

Implements llvm::GISelChangeObserver.

Definition at line 85 of file GISelChangeObserver.h.

References llvm::RISCVFenceField::O.

createdInstr()

void llvm::GISelObserverWrapper::createdInstr ( MachineInstr &  MI )

inlineoverridevirtual

An instruction was created and inserted into the function.

Implements llvm::GISelChangeObserver.

Definition at line 81 of file GISelChangeObserver.h.

References llvm::RISCVFenceField::O.

erasingInstr()

void llvm::GISelObserverWrapper::erasingInstr ( MachineInstr &  MI )

inlineoverridevirtual

An instruction is about to be erased.

Implements llvm::GISelChangeObserver.

Definition at line 77 of file GISelChangeObserver.h.

References llvm::RISCVFenceField::O.

Referenced by llvm::Legalizer::runOnMachineFunction().

MF_HandleInsertion()

void llvm::GISelObserverWrapper::MF_HandleInsertion ( MachineInstr &  MI )

inlineoverridevirtual

Callback after an insertion. This should not modify the MI directly.

Implements llvm::MachineFunction::Delegate.

Definition at line 94 of file GISelChangeObserver.h.

References llvm::GISelChangeObserver::createdInstr().

MF_HandleRemoval()

void llvm::GISelObserverWrapper::MF_HandleRemoval ( MachineInstr &  MI )

inlineoverridevirtual

Callback before a removal. This should not modify the MI directly.

Implements llvm::MachineFunction::Delegate.

Definition at line 95 of file GISelChangeObserver.h.

References llvm::GISelChangeObserver::erasingInstr().

removeObserver()

void llvm::GISelObserverWrapper::removeObserver ( GISelChangeObserver *  O )

inline

Definition at line 71 of file GISelChangeObserver.h.

References llvm::SmallVectorTemplateCommon< T >::begin(), llvm::SmallVectorTemplateCommon< T >::end(), llvm::SmallVectorImpl< T >::erase(), llvm::find(), and llvm::RISCVFenceField::O.

Referenced by llvm::IRTranslator::runOnMachineFunction().

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

• include/llvm/CodeGen/GlobalISel/GISelChangeObserver.h