- use xmalloc instead of malloc

- reserve the IRN_LINK resource

[r23156]

diff --git a/ir/be/beschednormal.c b/ir/be/beschednormal.c
index cc5ea38..fd3bbcf 100644 (file)
--- a/ir/be/beschednormal.c
+++ b/ir/be/beschednormal.c
@@ -144,7 +144,7 @@ static int normal_tree_cost(ir_node* irn)
                irn_cost_pair* costs;
                int            i;
 
-               fc = malloc(sizeof(*fc) + sizeof(*fc->costs) * arity);
+               fc = xmalloc(sizeof(*fc) + sizeof(*fc->costs) * arity);
                fc->no_root = 0;
                costs = fc->costs;
 
@@ -370,10 +370,12 @@ static void *normal_init_graph(const list_sched_selector_t *vtab,
 
        heights = heights_new(irg);
 
+       ir_reserve_resources(irg, IR_RESOURCE_IRN_LINK);
        irg_walk_graph(irg, normal_cost_walker,  NULL, NULL);
        irg_walk_graph(irg, collect_roots, NULL, NULL);
        inc_irg_visited(irg);
        irg_block_walk_graph(irg, normal_sched_block, NULL, heights);
+       ir_free_resources(irg, IR_RESOURCE_IRN_LINK);
 
        heights_free(heights);