Added computation of live sets

[r15549]

diff --git a/ir/be/beschedrss.c b/ir/be/beschedrss.c
index 633e897..1bbfa39 100644 (file)
--- a/ir/be/beschedrss.c
+++ b/ir/be/beschedrss.c
@@ -2165,6 +2165,7 @@ void rss_schedule_preparation(const be_irg_t *birg) {
        rss.nodes    = plist_new();
        rss.opts     = &rss_options;
        rss.liveness = be_liveness(irg);
+       be_liveness_assure_sets(rss.liveness);
        irg_block_walk_graph(irg, NULL, process_block, &rss);
        heights_free(rss.h);
        plist_free(rss.nodes);