fix wrong usage of ircons functions

[libfirm] / ir / opt / return.c

diff --git a/ir/opt/return.c b/ir/opt/return.c
index 796baeb..426f7e6 100644 (file)
--- a/ir/opt/return.c
+++ b/ir/opt/return.c
@@ -30,6 +30,7 @@
 #include "ircons_t.h"
 #include "irnode_t.h"
 #include "irgmod.h"
+#include "irpass.h"
 
 #define set_bit(n)      (returns[(n) >> 3] |= 1 << ((n) & 7))
 #define get_bit(n)      (returns[(n) >> 3] & (1 << ((n) & 7)))
@@ -57,7 +58,8 @@
  *   res = c;
  * return res;
  */
-void normalize_one_return(ir_graph *irg) {
+void normalize_one_return(ir_graph *irg)
+{
        ir_node *endbl = get_irg_end_block(irg);
        int i, j, k, n, last_idx, n_rets, n_ret_vals = -1;
        unsigned char *returns;
@@ -166,6 +168,12 @@ void normalize_one_return(ir_graph *irg) {
        set_irg_loopinfo_inconsistent(irg);
 }
 
+/* Create a graph pass. */
+ir_graph_pass_t *normalize_one_return_pass(const char *name)
+{
+       return def_graph_pass(name ? name : "one_ret", normalize_one_return);
+}
+
 /**
  * Check, whether a Return can be moved on block upwards.
  *
@@ -182,7 +190,8 @@ void normalize_one_return(ir_graph *irg) {
  * All predecessors of the Return block must be Jmp's of course, or we
  * cannot move it up, so we add blocks if needed.
  */
-static int can_move_ret(ir_node *ret) {
+static int can_move_ret(ir_node *ret)
+{
        ir_node *retbl = get_nodes_block(ret);
        int i, n = get_irn_arity(ret);
 
@@ -236,7 +245,8 @@ static int can_move_ret(ir_node *ret) {
  * else
  *   return c;
  */
-void normalize_n_returns(ir_graph *irg) {
+void normalize_n_returns(ir_graph *irg)
+{
        int i, j, n, n_rets, n_finals, n_ret_vals;
        ir_node *list  = NULL;
        ir_node *final = NULL;
@@ -287,7 +297,7 @@ void normalize_n_returns(ir_graph *irg) {
                dbg_info *dbgi  = get_irn_dbg_info(ret);
                ir_node  *phiM;
 
-               list = get_irn_link(ret);
+               list = (ir_node*)get_irn_link(ret);
                --n_rets;
 
                n = get_Block_n_cfgpreds(block);
@@ -356,7 +366,7 @@ void normalize_n_returns(ir_graph *irg) {
         */
        in = ALLOCAN(ir_node*, n_finals);
 
-       for (i = 0; final; ++i, final = get_irn_link(final))
+       for (i = 0; final != NULL; ++i, final = (ir_node*)get_irn_link(final))
                in[i] = final;
 
        exchange(endbl, new_r_Block(irg, n_finals, in));
@@ -371,5 +381,11 @@ void normalize_n_returns(ir_graph *irg) {
        set_irg_doms_inconsistent(irg);
        set_irg_extblk_inconsistent(irg);  /* may not be needed */
        set_irg_outs_inconsistent(irg);
-       set_irg_loopinfo_inconsistent(current_ir_graph);
+       set_irg_loopinfo_inconsistent(irg);
+}
+
+/* Create a graph pass. */
+ir_graph_pass_t *normalize_n_returns_pass(const char *name)
+{
+       return def_graph_pass(name ? name : "n_rets", normalize_n_returns);
 }