compute dominance information because they are used in transform

diff --git a/ir/be/ia32/bearch_ia32.c b/ir/be/ia32/bearch_ia32.c
index c64dbb5..f8d95bd 100644 (file)
--- a/ir/be/ia32/bearch_ia32.c
+++ b/ir/be/ia32/bearch_ia32.c
@@ -497,6 +497,7 @@ ia32_irn_ops_t ia32_irn_ops = {
  */
 static void ia32_prepare_graph(void *self) {
        ia32_code_gen_t *cg = self;
+       dom_front_info_t *dom;
        DEBUG_ONLY(firm_dbg_module_t *old_mod = cg->mod;)
 
        FIRM_DBG_REGISTER(cg->mod, "firm.be.ia32.transform");
@@ -506,7 +507,9 @@ static void ia32_prepare_graph(void *self) {
 
        /* 2nd: transform all remaining nodes */
        ia32_register_transformers();
+       dom = be_compute_dominance_frontiers(cg->irg);
        irg_walk_blkwise_graph(cg->irg, NULL, ia32_transform_node, cg);
+       be_free_dominance_frontiers(dom);
        be_dump(cg->irg, "-transformed", dump_ir_block_graph_sched);
 
        /* 3rd: optimize address mode */
@@ -616,7 +619,7 @@ insert_copy:
                ia32_transform_sub_to_neg_add(irn, cg);
 
                /* transform a LEA into an Add if possible */
-               //ia32_transform_lea_to_add(irn, cg);
+               ia32_transform_lea_to_add(irn, cg);
        }
 end: