PassManager Class Reference

Pass manager. More...

#include <PassManager.h>

Public Member Functions
	PassManager ()
	Constructor. More...
	PassManager (const PassManager &)=delete
	Prevent instances of this class from being copied (As this class contains pointers) More...
	PassManager (PassManager &&)=default
	Default move constructor. More...
PassManager &	operator= (const PassManager &)=delete
	Prevent instances of this class from being copied (As this class contains pointers) More...
PassManager &	operator= (PassManager &&)=default
	Default move assignment operator. More...
const std::vector< std::unique_ptr< IGraphMutator > > &	passes () const
	Mutation passes accessors. More...
IGraphMutator *	pass (size_t index)
	Accessor of a pass at a given index. More...
void	append (std::unique_ptr< IGraphMutator > pass, bool conditional=true)
	Appends a mutation pass. More...
void	clear ()
	Clears all the passes. More...
void	run_all (Graph &g)
	Runs all the mutation passes on a given graph. More...
void	run_type (Graph &g, IGraphMutator::MutationType type)
	Runs a mutation passes of a specific type on a given graph. More...
void	run_index (Graph &g, size_t index)
	Runs a specific mutation pass on a given graph. More...

Detailed Description

Pass manager.

Responsible for performing the mutating graph passes with a given order

Definition at line 43 of file PassManager.h.

Constructor & Destructor Documentation

PassManager() [1/3]

PassManager

(

)

Constructor.

Definition at line 32 of file PassManager.cpp.

                         : _passes()
{
}

PassManager() [2/3]

PassManager ( const PassManager &  )

delete

Prevent instances of this class from being copied (As this class contains pointers)

PassManager() [3/3]

PassManager ( PassManager &&  )

default

Default move constructor.

Member Function Documentation

append()

void append	(	std::unique_ptr< IGraphMutator >	pass,
		bool	conditional = true
	)

Appends a mutation pass.

Parameters

[in]	pass	Pass to append
[in]	conditional	(Optional) Append pass if true else false. Defaults to true.

Definition at line 46 of file PassManager.cpp.

{
    if (pass && conditional)
    {
        ARM_COMPUTE_LOG_GRAPH_VERBOSE("Appending mutating pass : " << pass->name() << std::endl);
        _passes.push_back(std::move(pass));
    }
}

References ARM_COMPUTE_LOG_GRAPH_VERBOSE, IGraphMutator::name(), and PassManager::pass().

Referenced by arm_compute::graph::create_default_pass_manager().

clear()

void clear

(

)

Clears all the passes.

Definition at line 55 of file PassManager.cpp.

{
    _passes.clear();
}

operator=() [1/2]

PassManager& operator= ( const PassManager &  )

delete

Prevent instances of this class from being copied (As this class contains pointers)

operator=() [2/2]

PassManager& operator= ( PassManager &&  )

default

Default move assignment operator.

pass()

IGraphMutator * pass

(

size_t

index

)

Accessor of a pass at a given index.

Parameters

[in]

index

Index of the requested pass

Returns

A pointer to the given pass if exists else nullptr

Definition at line 41 of file PassManager.cpp.

{
    return (index >= _passes.size()) ? nullptr : _passes.at(index).get();
}

Referenced by PassManager::append(), PassManager::run_all(), PassManager::run_index(), and PassManager::run_type().

passes()

const std::vector< std::unique_ptr< IGraphMutator > > & passes

(

)

const

Mutation passes accessors.

Returns

Returns the vector with the mutation passes that are to be executed on a graph

Definition at line 36 of file PassManager.cpp.

{
    return _passes;
}

run_all()

void run_all

(

Graph &

g

)

Runs all the mutation passes on a given graph.

Parameters

[in,out]

g

Graph to run the mutations on

Definition at line 60 of file PassManager.cpp.

{
    for (auto &pass : _passes)
    {
        if (pass)
        {
            ARM_COMPUTE_LOG_GRAPH_INFO("Running mutating pass : " << pass->name() << std::endl);
            pass->mutate(g);
        }
    }
}

References ARM_COMPUTE_LOG_GRAPH_INFO, IGraphMutator::mutate(), IGraphMutator::name(), and PassManager::pass().

run_index()

void run_index	(	Graph &	g,
		size_t	index
	)

Runs a specific mutation pass on a given graph.

Parameters

[in,out]	g	Graph to run the mutation on
[in]	index	Index of the mutation to execute

Definition at line 84 of file PassManager.cpp.

{
    if (index >= _passes.size())
    {
        return;
    }
 
    auto &pass = _passes.at(index);
    if (pass != nullptr)
    {
        ARM_COMPUTE_LOG_GRAPH_INFO("Running mutating pass : " << pass->name() << std::endl);
        pass->mutate(g);
    }
}

References ARM_COMPUTE_LOG_GRAPH_INFO, IGraphMutator::mutate(), IGraphMutator::name(), and PassManager::pass().

run_type()

void run_type	(	Graph &	g,
		IGraphMutator::MutationType	type
	)

Runs a mutation passes of a specific type on a given graph.

Parameters

[in,out]	g	Graph to run the mutation on
[in]	type	Type of the mutations to execute

Definition at line 72 of file PassManager.cpp.

{
    for (auto &pass : _passes)
    {
        if (pass && (pass->type() == type))
        {
            ARM_COMPUTE_LOG_GRAPH_INFO("Running mutating pass : " << pass->name() << std::endl);
            pass->mutate(g);
        }
    }
}

References ARM_COMPUTE_LOG_GRAPH_INFO, IGraphMutator::mutate(), IGraphMutator::name(), PassManager::pass(), IGraphMutator::type(), and type.

Referenced by GraphManager::finalize_graph().

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

• arm_compute/graph/PassManager.h
• src/graph/PassManager.cpp