GCC Middle and Back End API Reference
virtual_operand_live Class Reference

#include <tree-ssa-live.h>

Public Member Functions

 virtual_operand_live ()
 ~virtual_operand_live ()
tree get_live_in (basic_block bb)
tree get_live_out (basic_block bb)
tree get_live_on_edge (edge e)

Private Member Functions

void init ()

Private Attributes


Detailed Description

On-demand virtual operand global live analysis.  There is at most
a single virtual operand live at a time, the following computes and
caches the virtual operand live at the exit of a basic block
supporting related live-in and live-on-edge queries.  It requires
up-to-date marked backedges.   

Constructor & Destructor Documentation

◆ virtual_operand_live()

virtual_operand_live::virtual_operand_live ( )

◆ ~virtual_operand_live()

virtual_operand_live::~virtual_operand_live ( )

References free(), and liveout.

Member Function Documentation

◆ get_live_in()

tree virtual_operand_live::get_live_in ( basic_block bb)

◆ get_live_on_edge()

tree virtual_operand_live::get_live_on_edge ( edge e)

References get_live_out().

◆ get_live_out()

tree virtual_operand_live::get_live_out ( basic_block bb)

◆ init()

void virtual_operand_live::init ( )
Virtual operand liveness analysis data init.   

References cfun, ENTRY_BLOCK, gimple_vop(), last_basic_block_for_fn, liveout, and ssa_default_def().

Referenced by get_live_in(), and get_live_out().

Field Documentation

◆ liveout

tree* virtual_operand_live::liveout

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