NDBT_ThreadSet::~NDBT_ThreadSet()
{
delete_output();
for (int n = 0; n < m_count; n++) {
delete m_thread[n];
m_thread[n] = 0;
}
delete [] m_thread;
}
int dead_code_node (FuncGraph *fg, int id)
{
int keep, i, g_id, port_num, deleted;
/*
printf ("entered 'dead_code_node', node %d\n", id); fflush (stdout);
*/
deleted = FALSE;
if (is_simple_node (fg, id))
{
keep = FALSE;
switch (fg->nodes[id].nodetype)
{
case ND_G_OUTPUT :
g_id = fg->nodes[id].My_graph;
port_num = fg->nodes[id].Io_num;
if (fg->nodes[g_id].outputs[port_num].targets != NULL)
keep = TRUE;
break;
case ND_PRINT :
case ND_ASSERT :
case ND_SWITCH_KEY :
case ND_SELECTORS :
case ND_NEXT :
case ND_SCALAR_GEN :
case ND_ELE_GEN :
case ND_SLICE_GEN :
case ND_WINDOW_GEN :
/* these nodes never have outputs, but we don't want to
* eliminate them; ND_WHILE_PRED is not here because it's
* a compound, not a simple node;
*/
return FALSE;
default :
for (i=0; i<fg->nodes[id].num_outputs; i++)
if (fg->nodes[id].outputs[i].targets != NULL)
{
keep = TRUE;
break;
}
}
/* if it's not an input node, and it has no output targets, delete it */
if ((!keep) && (fg->nodes[id].nodetype!=ND_G_INPUT) &&
(fg->nodes[id].nodetype!=ND_G_INPUT_NEXT))
{
remove_simple_node (fg, id);
deleted = TRUE;
}
}
else
{
/* here we're processing a compound node */
IntList *deleted_nodes, *it;
/* first see if any of the outputs are dead */
if (fg->nodes[id].nodetype != ND_WHILE_PRED)
for (i=0; i<fg->nodes[id].num_outputs; i++)
if (fg->nodes[id].outputs[i].targets == NULL)
delete_output (fg, id, i);
/* remove dead code from the node's internal graph */
/*
deleted_nodes = dead_code_process_list_reversed (fg, fg->nodes[id].My_nodes);
*/
deleted_nodes = dead_code_process_list_reversed (fg, fg->nodes[id].My_nodes);
/* here we delete any input nodes that have no outputs */
delete_dead_graph_inputs (fg, id, &deleted_nodes);
for (it=deleted_nodes; it!=NULL; it=it->link)
delete_ele_from_intlist (it->val, &(fg->nodes[id].My_nodes));
free_intlist (&deleted_nodes);
/* if the node has no outputs, delete the whole thing */
switch (fg->nodes[id].nodetype)
{
case ND_WHILE_PRED :
case ND_CROSS_PROD :
case ND_DOT_PROD :
break;
default :
if (fg->nodes[id].nodetype != ND_WHILE_PRED)
if (fg->nodes[id].num_outputs == 0)
{
delete_node (fg, id);
deleted = TRUE;
}
}
}
/*
printf ("leaving 'dead_code_node', node %d\n", id); fflush (stdout);
*/
return deleted;
}
