GCC Middle and Back End API Reference
ana::phis_for_edge_op Class Reference

#include <ops.h>

Inheritance diagram for ana::phis_for_edge_op:
Collaboration diagram for ana::phis_for_edge_op:

Data Structures

struct  pair

Public Types

enum  kind {
  asm_stmt , assignment , predict_stmt , return_stmt ,
  resx , cond_edge , goto_edge , switch_edge ,
  eh_dispatch_try_edge , eh_dispatch_allowed_edge , phis , call_and_return
}

Public Member Functions

std::unique_ptr< operationclone () const final override
 phis_for_edge_op (std::vector< pair > &&pairs, ::edge cfg_in_edge)
const phis_for_edge_opdyn_cast_phis_for_edge_op () const final override
void print_as_edge_label (pretty_printer *pp, bool user_facing) const final override
bool defines_ssa_name_p (const_tree ssa_name) const final override
void walk_load_store_addr_ops (void *, walk_stmt_load_store_addr_fn, walk_stmt_load_store_addr_fn, walk_stmt_load_store_addr_fn) const final override
void execute (operation_context &op_ctxt) const final override
bool execute_for_feasibility (const exploded_edge &, feasibility_state &, region_model_context *, std::unique_ptr< rejected_constraint > *out_rc) const override
bool supports_bulk_merge_p () const final override
void update_state_for_bulk_merger (const program_state &src_state, program_state &dst_state) const final override
void add_any_events_for_eedge (const exploded_edge &eedge, checker_path &out_path) const final override
const std::vector< pair > & get_pairs () const
void dump () const
virtual const gimplemaybe_get_stmt () const
virtual bool execute_for_feasibility (const exploded_edge &, feasibility_state &, region_model_context *, std::unique_ptr< rejected_constraint > @endverbatim *) const
virtual const control_flow_opdyn_cast_control_flow_op () const
virtual const call_and_return_opdyn_cast_call_and_return_op () const
enum kind get_kind () const

Static Public Member Functions

static std::unique_ptr< operationmaybe_make (::edge cfg_in_edge)

Static Protected Member Functions

static void handle_on_stmt_for_state_machines (operation_context &op_ctxt, program_state &dst_state, path_context *path_ctxt, bool &unknown_side_effects, const gimple &stmt)

Private Member Functions

void update_state (const program_state &src_state, program_state &dst_state, region_model_context *ctxt) const

Static Private Member Functions

static std::vector< pairget_pairs_for_phi_along_in_edge (::edge cfg_in_edge)

Private Attributes

std::vector< pairm_pairs
::edge m_cfg_in_edge
enum kind m_kind

Detailed Description

Concrete operation subclass representing the state transition
for simultaneously handling all of the phi nodes at the entry to a BB,
after following a specific CFG in-edge.
Note that this covers multiple gimple stmts: all of the gphi stmts
at a basic block entry (albeit for just one in-edge).
This can be thought of as handling one column of the entries in the
phi nodes of a BB (for a specific in-edge).
We ignore MEM entries, and discard phi nodes purely affecting them.   

Member Enumeration Documentation

◆ kind

enum ana::operation::kind
inherited
Enumerator
asm_stmt 
assignment 
predict_stmt 
return_stmt 
resx 
cond_edge 
goto_edge 
switch_edge 
eh_dispatch_try_edge 
eh_dispatch_allowed_edge 
phis 
call_and_return 

Constructor & Destructor Documentation

◆ phis_for_edge_op()

ana::phis_for_edge_op::phis_for_edge_op ( std::vector< pair > && pairs,
::edge cfg_in_edge )

References phis_for_edge_op().

Referenced by phis_for_edge_op().

Member Function Documentation

◆ add_any_events_for_eedge()

void ana::phis_for_edge_op::add_any_events_for_eedge ( const exploded_edge & eedge,
checker_path & out_path ) const
finaloverridevirtual

Implements ana::operation.

◆ clone()

std::unique_ptr< operation > ana::phis_for_edge_op::clone ( ) const
inlinefinaloverridevirtual

Implements ana::operation.

References final().

◆ defines_ssa_name_p()

bool ana::phis_for_edge_op::defines_ssa_name_p ( const_tree ssa_name) const
finaloverridevirtual

Implements ana::operation.

References ssa_name.

◆ dump()

void ana::operation::dump ( ) const
inherited

◆ dyn_cast_call_and_return_op()

virtual const call_and_return_op * ana::operation::dyn_cast_call_and_return_op ( ) const
inlinevirtualinherited

Reimplemented in ana::call_and_return_op.

◆ dyn_cast_control_flow_op()

virtual const control_flow_op * ana::operation::dyn_cast_control_flow_op ( ) const
inlinevirtualinherited

Reimplemented in ana::control_flow_op.

◆ dyn_cast_phis_for_edge_op()

const phis_for_edge_op * ana::phis_for_edge_op::dyn_cast_phis_for_edge_op ( ) const
inlinefinaloverridevirtual

Reimplemented from ana::operation.

References final().

◆ execute()

void ana::phis_for_edge_op::execute ( operation_context & op_ctxt) const
finaloverridevirtual

Implements ana::operation.

◆ execute_for_feasibility() [1/2]

virtual bool ana::operation::execute_for_feasibility ( const exploded_edge & ,
feasibility_state & ,
region_model_context * ,
std::unique_ptr< rejected_constraint > @endverbatim *  ) const
inlinevirtualinherited

◆ execute_for_feasibility() [2/2]

bool ana::phis_for_edge_op::execute_for_feasibility ( const exploded_edge & ,
feasibility_state & ,
region_model_context * ,
std::unique_ptr< rejected_constraint > * out_rc ) const
override

◆ get_kind()

enum kind ana::operation::get_kind ( ) const
inlineinherited

◆ get_pairs()

const std::vector< pair > & ana::phis_for_edge_op::get_pairs ( ) const
inline

References m_pairs.

◆ get_pairs_for_phi_along_in_edge()

std::vector< pair > ana::phis_for_edge_op::get_pairs_for_phi_along_in_edge ( ::edge cfg_in_edge)
staticprivate

◆ handle_on_stmt_for_state_machines()

void ana::operation::handle_on_stmt_for_state_machines ( operation_context & op_ctxt,
program_state & dst_state,
path_context * path_ctxt,
bool & unknown_side_effects,
const gimple & stmt )
staticprotectedinherited

◆ maybe_get_stmt()

virtual const gimple * ana::operation::maybe_get_stmt ( ) const
inlinevirtualinherited

Reimplemented in ana::control_flow_op, and ana::gimple_stmt_op.

◆ maybe_make()

std::unique_ptr< operation > ana::phis_for_edge_op::maybe_make ( ::edge cfg_in_edge)
static

◆ print_as_edge_label()

void ana::phis_for_edge_op::print_as_edge_label ( pretty_printer * pp,
bool user_facing ) const
finaloverridevirtual

Implements ana::operation.

◆ supports_bulk_merge_p()

bool ana::phis_for_edge_op::supports_bulk_merge_p ( ) const
inlinefinaloverridevirtual

Implements ana::operation.

References final().

◆ update_state()

void ana::phis_for_edge_op::update_state ( const program_state & src_state,
program_state & dst_state,
region_model_context * ctxt ) const
private

◆ update_state_for_bulk_merger()

void ana::phis_for_edge_op::update_state_for_bulk_merger ( const program_state & src_state,
program_state & dst_state ) const
finaloverridevirtual

Reimplemented from ana::operation.

◆ walk_load_store_addr_ops()

void ana::phis_for_edge_op::walk_load_store_addr_ops ( void * ,
walk_stmt_load_store_addr_fn ,
walk_stmt_load_store_addr_fn ,
walk_stmt_load_store_addr_fn  ) const
finaloverridevirtual

Implements ana::operation.

Field Documentation

◆ m_cfg_in_edge

::edge ana::phis_for_edge_op::m_cfg_in_edge
private

◆ m_kind

enum kind ana::operation::m_kind
privateinherited

Referenced by get_kind(), and operation().

◆ m_pairs

std::vector<pair> ana::phis_for_edge_op::m_pairs
private

Referenced by get_pairs().


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