removed unitialized used vartiable

[libfirm] / ir / be / beschedrand.c

diff --git a/ir/be/beschedrand.c b/ir/be/beschedrand.c
index 8fc409e..900689e 100644 (file)
--- a/ir/be/beschedrand.c
+++ b/ir/be/beschedrand.c
@@ -17,33 +17,35 @@
  * The random selector:
  * Just assure that branches are executed last, otherwise select a random node
  */
-static ir_node *random_select(void *block_env, nodeset *ready_set, nodeset *live_set)
+static ir_node *random_select(void *block_env, ir_nodeset_t *ready_set,
+                              ir_nodeset_t *live_set)
 {
+       ir_nodeset_iterator_t iter;
        const arch_env_t *arch_env = block_env;
        ir_node          *irn      = NULL;
        int only_branches_left = 1;
 
        /* assure that branches and constants are executed last */
-       for (irn = nodeset_first(ready_set); irn; irn = nodeset_next(ready_set)) {
+       ir_nodeset_iterator_init(&iter, ready_set);
+       while( (irn = ir_nodeset_iterator_next(&iter)) != NULL) {
                if (! arch_irn_class_is(arch_env, irn, branch)) {
                        only_branches_left = 0;
-                       nodeset_break(ready_set);
                        break;
                }
        }
 
        if(only_branches_left) {
                /* at last: schedule branches */
-               irn = nodeset_first(ready_set);
-               nodeset_break(ready_set);
+               ir_nodeset_iterator_init(&iter, ready_set);
+               irn = ir_nodeset_iterator_next(&iter);
        } else {
                do {
                        // take 1 random node
-                       int n = rand() % pset_count(ready_set);
+                       int n = rand() % ir_nodeset_size(ready_set);
                        int i = 0;
-                       for(irn = nodeset_first(ready_set); irn; irn = nodeset_next(ready_set)) {
+                       ir_nodeset_iterator_init(&iter, ready_set);
+                       while( (irn = ir_nodeset_iterator_next(&iter)) != NULL) {
                                if(i == n) {
-                                       nodeset_break(ready_set);
                                        break;
                                }
                                ++i;