Condition expression. More...

#include <expr.h>

Inheritance diagram for tvm::relax::IfNode:

Collaboration diagram for tvm::relax::IfNode:

Public Member Functions
void	VisitAttrs (tvm::AttrVisitor *v)

bool	SEqualReduce (const IfNode *other, SEqualReducer equal) const

void	SHashReduce (SHashReducer hash_reduce) const

	TVM_DECLARE_FINAL_OBJECT_INFO (IfNode, ExprNode)

Public Member Functions inherited from tvm::RelaxExprNode
const Type &	checked_type () const

template<typename TTypeNode >
const TTypeNode *	type_as () const
	Check if the inferred(checked) type of the Expr is backed by a TTypeNode and return it. More...

	TVM_DECLARE_BASE_OBJECT_INFO (RelaxExprNode, BaseExprNode)

Public Member Functions inherited from tvm::BaseExprNode
	TVM_DECLARE_BASE_OBJECT_INFO (BaseExprNode, Object)

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
Expr	cond
	The condition. More...

SeqExpr	true_branch
	The expression evaluated when condition is true. More...

SeqExpr	false_branch
	The expression evaluated when condition is false. More...

Public Attributes inherited from tvm::RelaxExprNode
Type	checked_type_ = Type(nullptr)
	Stores the result of type inference(type checking). More...

Optional< ObjectRef >	struct_info_ = Optional<ObjectRef>()
	Stores the result of structure information of the expression that encapsulate both static shape and runtime information such as shape. More...

Public Attributes inherited from tvm::BaseExprNode
Span	span
	Span that points to the original source code. Reserved debug information. More...

Static Public Attributes
static constexpr const char *	_type_key = "relax.expr.If"

Static Public Attributes inherited from tvm::RelaxExprNode
static constexpr const char *	_type_key = "RelaxExpr"

static constexpr const uint32_t	_type_child_slots = 22

Static Public Attributes inherited from tvm::BaseExprNode
static constexpr const char *	_type_key = "BaseExpr"

static constexpr const bool	_type_has_method_sequal_reduce = true

static constexpr const bool	_type_has_method_shash_reduce = true

static constexpr const uint32_t	_type_child_slots = 64

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

Condition expression.

Unlike traditional statement ifs, the if evalutes to the result of the branch taken.

x = if (true) { 1 } else { 0 }; // x is 1 y = if (false) { 1 } else { 0 }; // y is 0

Note: This is similar to C's ternary operator.

Member Function Documentation

◆ SEqualReduce()

bool tvm::relax::IfNode::SEqualReduce	(	const IfNode *	other,
		SEqualReducer	equal
	)		const

inline

◆ SHashReduce()

void tvm::relax::IfNode::SHashReduce ( SHashReducer hash_reduce ) const

inline

◆ TVM_DECLARE_FINAL_OBJECT_INFO()

tvm::relax::IfNode::TVM_DECLARE_FINAL_OBJECT_INFO	(	IfNode	,
		ExprNode
	)

◆ VisitAttrs()

void tvm::relax::IfNode::VisitAttrs ( tvm::AttrVisitor * v )

inline

Member Data Documentation

◆ _type_key

constexpr const char* tvm::relax::IfNode::_type_key = "relax.expr.If"

staticconstexpr

◆ cond

Expr tvm::relax::IfNode::cond

The condition.

◆ false_branch

SeqExpr tvm::relax::IfNode::false_branch

The expression evaluated when condition is false.

◆ true_branch

SeqExpr tvm::relax::IfNode::true_branch

The expression evaluated when condition is true.

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

include/tvm/relax/expr.h

Public Member Functions

Public Attributes

Static Public Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ SEqualReduce()

◆ SHashReduce()

◆ TVM_DECLARE_FINAL_OBJECT_INFO()

◆ VisitAttrs()

Member Data Documentation

◆ _type_key

◆ cond

◆ false_branch

◆ true_branch