An object that helps build and query block level dependences using the 2 core objects BlockScope and StmtSRef. More...

#include <block_dependence_info.h>

Inheritance diagram for tvm::tir::BlockDependenceInfoNode:

Collaboration diagram for tvm::tir::BlockDependenceInfoNode:

Public Member Functions
void	VisitAttrs (AttrVisitor *v)

	TVM_DECLARE_FINAL_OBJECT_INFO (BlockDependenceInfoNode, Object)

BlockScope	GetBlockScope (const StmtSRef &scope_root) const
	Get the BlockScope correpsonding to the sref of scope root block. More...

Public Member Functions inherited from tvm::runtime::Object
uint32_t	type_index () const

std::string	GetTypeKey () const

size_t	GetTypeKeyHash () const

template<typename TargetType >
bool	IsInstance () const

bool	unique () const

	Object ()

	Object (const Object &other)

	Object (Object &&other)

Object &	operator= (const Object &other)

Object &	operator= (Object &&other)

Public Attributes
std::unordered_map< StmtSRef, BlockScope, ObjectPtrHash, ObjectPtrEqual >	sref2scope
	Mapping from a block sref to its correpsonding BlockScope, tracking the dependency inside the block scope,. More...

std::unordered_map< const StmtNode *, StmtSRef >	stmt2ref
	The reverse mapping from block/for-loop to their corresponding srefs. More...

Static Public Attributes
static constexpr const char *	_type_key = "tir.BlockDependenceInfo"

Static Public Attributes inherited from tvm::runtime::Object
static constexpr const char *	_type_key = "runtime.Object"

static constexpr bool	_type_final = false

static constexpr uint32_t	_type_child_slots = 0

static constexpr bool	_type_child_slots_can_overflow = true

static constexpr bool	_type_has_method_visit_attrs = true

static constexpr bool	_type_has_method_sequal_reduce = false

static constexpr bool	_type_has_method_shash_reduce = false

static constexpr uint32_t	_type_index = TypeIndex::kDynamic

Additional Inherited Members
Public Types inherited from tvm::runtime::Object
typedef void(*	FDeleter) (Object *self)
	Object deleter. More...

using	RefCounterType = std::atomic< int32_t >

Static Public Member Functions inherited from tvm::runtime::Object
static std::string	TypeIndex2Key (uint32_t tindex)
	Get the type key of the corresponding index from runtime. More...

static size_t	TypeIndex2KeyHash (uint32_t tindex)
	Get the type key hash of the corresponding index from runtime. More...

static uint32_t	TypeKey2Index (const std::string &key)
	Get the type index of the corresponding key from runtime. More...

static uint32_t	_GetOrAllocRuntimeTypeIndex ()

static uint32_t	RuntimeTypeIndex ()

Protected Member Functions inherited from tvm::runtime::Object
void	IncRef ()
	developer function, increases reference counter. More...

void	DecRef ()
	developer function, decrease reference counter. More...

Static Protected Member Functions inherited from tvm::runtime::Object
static uint32_t	GetOrAllocRuntimeTypeIndex (const std::string &key, uint32_t static_tindex, uint32_t parent_tindex, uint32_t type_child_slots, bool type_child_slots_can_overflow)
	Get the type index using type key. More...

Protected Attributes inherited from tvm::runtime::Object
uint32_t	type_index_ {0}
	Type index(tag) that indicates the type of the object. More...

RefCounterType	ref_counter_ {0}
	The internal reference counter. More...

FDeleter	deleter_ = nullptr
	deleter of this object to enable customized allocation. If the deleter is nullptr, no deletion will be performed. The creator of the object must always set the deleter field properly. More...

Detailed Description

An object that helps build and query block level dependences using the 2 core objects BlockScope and StmtSRef.

The data structures exposed are: 1) sref2scope: Mapping from the srefs to its corresponding BlockScope 2) stmt2ref: Mapping from blocks to corresponding StmtSRefs

Note that this object does not store SRefs to loops as the purpose is only to expose block level dependences. This provides the advantage that the scope block (parent block) for a given block sref can be directly accessed using the sref->parent member

Member Function Documentation

◆ GetBlockScope()

BlockScope tvm::tir::BlockDependenceInfoNode::GetBlockScope ( const StmtSRef & scope_root ) const

inline

Get the BlockScope correpsonding to the sref of scope root block.

Parameters

scope_root The block sref to be retrieved

Returns: The corresponding BlockScope

◆ TVM_DECLARE_FINAL_OBJECT_INFO()

tvm::tir::BlockDependenceInfoNode::TVM_DECLARE_FINAL_OBJECT_INFO	(	BlockDependenceInfoNode	,
		Object
	)

◆ VisitAttrs()

void tvm::tir::BlockDependenceInfoNode::VisitAttrs ( AttrVisitor * v )

inline

Member Data Documentation

◆ _type_key

constexpr const char* tvm::tir::BlockDependenceInfoNode::_type_key = "tir.BlockDependenceInfo"

staticconstexpr

◆ sref2scope

std::unordered_map<StmtSRef, BlockScope, ObjectPtrHash, ObjectPtrEqual> tvm::tir::BlockDependenceInfoNode::sref2scope

Mapping from a block sref to its correpsonding BlockScope, tracking the dependency inside the block scope,.

◆ stmt2ref

std::unordered_map<const StmtNode*, StmtSRef> tvm::tir::BlockDependenceInfoNode::stmt2ref

The reverse mapping from block/for-loop to their corresponding srefs.

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

include/tvm/tir/block_dependence_info.h

Public Member Functions

Public Attributes

Static Public Attributes

Additional Inherited Members