small code improvements

[r19644]

diff --git a/ir/opt/return.c b/ir/opt/return.c
index fb1e3c2..052ecef 100644 (file)
--- a/ir/opt/return.c
+++ b/ir/opt/return.c
@@ -155,11 +155,11 @@ void normalize_one_return(ir_graph *irg) {
        set_irg_doms_inconsistent(irg);
        set_irg_outs_inconsistent(irg);
        set_irg_extblk_inconsistent(irg);
-       set_irg_loopinfo_state(irg, loopinfo_cf_inconsistent);
+       set_irg_loopinfo_inconsistent(irg);
 }
 
 /**
- * check, whether a Ret can be moved on block upwards.
+ * Check, whether a Return can be moved on block upwards.
  *
  * In a block with a Return, all live nodes must be linked
  * with the Return, otherwise they are dead (because the Return leaves
@@ -191,7 +191,7 @@ static int can_move_ret(ir_node *ret) {
        /* check, that predecessors are Jmps */
        n = get_Block_n_cfgpreds(retbl);
        for (i = 0; i < n; ++i)
-               if (get_irn_op(get_Block_cfgpred(retbl, i)) != op_Jmp)
+               if (! is_Jmp(get_Block_cfgpred(retbl, i)))
                        return 0;
 
        /* if we have 0 control flow predecessors, we cannot move :-) */
@@ -238,9 +238,9 @@ void normalize_n_returns(ir_graph *irg) {
 
                if (is_Return(ret) && can_move_ret(ret)) {
                        /*
-                       * Ok, all conditions met, we can move this Return, put it
-                       * on our work list.
-                       */
+                        * Ok, all conditions met, we can move this Return, put it
+                        * on our work list.
+                        */
                        set_irn_link(ret, list);
                        list = ret;
                        ++n_rets;
@@ -276,12 +276,12 @@ void normalize_n_returns(ir_graph *irg) {
                        ir_node *jmp = get_Block_cfgpred(block, i);
                        ir_node *new_bl, *new_ret;
 
-                       if (get_irn_op(jmp) != op_Jmp)
+                       if (! is_Jmp(jmp))
                                continue;
 
                        new_bl = get_nodes_block(jmp);
 
-                       /* create the in-array for the new Ret */
+                       /* create the in-array for the new Return */
                        for (j = 0; j < n_ret_vals; ++j) {
                                ir_node *pred = get_irn_n(ret, j);
 
@@ -302,8 +302,7 @@ void normalize_n_returns(ir_graph *irg) {
                                        set_irn_link(new_ret, list);
                                        list = new_ret;
                                        ++n_rets;
-                               }
-                               else {
+                               } else {
                                        set_irn_link(new_ret, final);
                                        final = new_ret;
                                        ++n_finals;
@@ -352,5 +351,5 @@ 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_state(current_ir_graph, loopinfo_cf_inconsistent);
+       set_irg_loopinfo_inconsistent(current_ir_graph);
 }