/*
* Project: libFIRM
- * File name: ir/ir/irgmod.h
+ * File name: ir/ir/irgmod.c
* Purpose: Support for ir graph modification.
* Author: Martin Trapp, Christian Schaefer
* Modified by: Goetz Lindenmaier
# include "config.h"
#endif
-# include "irvrfy.h"
-# include "irflag_t.h"
-# include "irgwalk.h"
-# include "irnode_t.h"
-# include "irgraph_t.h"
-# include "irgmod.h"
-# include "array.h"
-# include "ircons.h"
-# include "irhooks.h"
-# include "iredges_t.h"
+#include "irvrfy.h"
+#include "irflag_t.h"
+#include "irgwalk.h"
+#include "irnode_t.h"
+#include "irgraph_t.h"
+#include "irgmod.h"
+#include "array.h"
+#include "ircons.h"
+#include "irhooks.h"
+#include "iredges_t.h"
+#include "irtools.h"
/* Turns a node into a "useless" Tuple. The Tuple just forms a tuple
from several inputs.
void
exchange (ir_node *old, ir_node *nw)
{
- /*
- * If new outs are on, we can skip the id node creation and reroute
- * the edges from the old node to the new directly.
- */
- if (edges_activated(current_ir_graph)) {
- edges_reroute(old, nw, current_ir_graph);
- }
+ hook_replace(old, nw);
+
+ /*
+ * If new outs are on, we can skip the id node creation and reroute
+ * the edges from the old node to the new directly.
+ */
+ if (edges_activated(current_ir_graph)) {
+ edges_reroute(old, nw, current_ir_graph);
+ }
else {
/* Else, do it the old-fashioned way. */
- ir_graph *irg = get_irn_irg (old);
- ir_node *block;
+ ir_graph *irg = get_irn_irg (old);
+ ir_node *block;
- assert(old != nw);
- assert (irg);
- assert(get_irn_op(old)->opar != oparity_dynamic);
+ assert(old != nw);
+ assert (irg);
+ assert(get_irn_op(old)->opar != oparity_dynamic);
- hook_turn_into_id(old);
+ hook_turn_into_id(old);
- block = old->in[0];
- if (!block) {
- block = is_Block(nw) ? nw : get_nodes_block(nw);
+ block = old->in[0];
+ if (!block) {
+ block = is_Block(nw) ? nw : get_nodes_block(nw);
- if (!block) {
- DDMN(old);
- DDMN(nw);
- assert(0 && "cannot find legal block for id");
- }
- }
+ if (!block) {
+ DDMN(old);
+ DDMN(nw);
+ assert(0 && "cannot find legal block for id");
+ }
+ }
- old->op = op_Id;
- old->in = NEW_ARR_D (ir_node *, irg->obst, 2);
- old->in[0] = block;
- old->in[1] = nw;
- }
+ old->op = op_Id;
+ old->in = NEW_ARR_D (ir_node *, irg->obst, 2);
+ old->in[0] = block;
+ old->in[1] = nw;
+ }
}
/*--------------------------------------------------------------------*/
/* Functionality for collect_phis */
/*--------------------------------------------------------------------*/
-static void
-clear_link (ir_node *n, void *env) {
- set_irn_link(n, NULL);
-}
-
static void
collect (ir_node *n, void *env) {
ir_node *pred;
rem = current_ir_graph;
current_ir_graph = irg;
- irg_walk(get_irg_end(current_ir_graph), clear_link, collect, NULL);
+ irg_walk(get_irg_end(current_ir_graph), firm_clear_link, collect, NULL);
current_ir_graph = rem;
}
get_Block_cfgpred_arr(old_block));
set_irg_current_block(current_ir_graph, new_block);
{
- ir_node *in[1];
- in[0] = new_Jmp();
- set_irn_in(old_block, 1, in);
+ ir_node *jmp = new_Jmp();
+ set_irn_in(old_block, 1, &jmp);
irn_vrfy_irg(old_block, current_ir_graph);
}