X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fopt%2Fopt_osr.c;h=569d9d060e8bc43ac87135fa81ac77cd987a65bb;hb=af82344c3d1ede9a28e652302a8c2bac7bb1c743;hp=9f8043e992d96af87f63c02dc83fca603fecfaad;hpb=1a3b7d363474ab544c13093a2f0b578718d37c7a;p=libfirm

diff --git a/ir/opt/opt_osr.c b/ir/opt/opt_osr.c
index 9f8043e99..569d9d060 100644
--- a/ir/opt/opt_osr.c
+++ b/ir/opt/opt_osr.c
@@ -608,13 +608,12 @@ static int is_counter_iv(ir_node *iv, iv_env *env)
  */
 static int check_users_for_reg_pressure(ir_node *iv, iv_env *env)
 {
-	ir_node    *irn, *header;
+	ir_node    *irn;
 	ir_node    *have_user = NULL;
 	ir_node    *have_cmp  = NULL;
 	node_entry *e         = get_irn_ne(iv, env);
 	scc        *pscc      = e->pscc;
 
-	header = e->header;
 	for (irn = pscc->head; irn != NULL; irn = e->next) {
 		const ir_edge_t *edge;
 
@@ -1275,7 +1274,8 @@ static void lftr(ir_graph *irg, iv_env *env)
  */
 static void clear_and_fix(ir_node *irn, void *env)
 {
-	int *moved = (int*)env;
+	(void)env;
+
 	set_irn_link(irn, NULL);
 
 	if (is_Proj(irn)) {
@@ -1284,7 +1284,6 @@ static void clear_and_fix(ir_node *irn, void *env)
 
 		if (get_nodes_block(irn) != pred_block) {
 			set_nodes_block(irn, pred_block);
-			*moved = 1;
 		}
 	}
 }  /* clear_and_fix */
@@ -1294,7 +1293,6 @@ static void clear_and_fix(ir_node *irn, void *env)
 void remove_phi_cycles(ir_graph *irg)
 {
 	iv_env env;
-	int    projs_moved;
 
 	FIRM_DBG_REGISTER(dbg, "firm.opt.remove_phi");
 
@@ -1317,10 +1315,7 @@ void remove_phi_cycles(ir_graph *irg)
 	 * the same block as their predecessors.
 	 * This can improve the placement of new nodes.
 	 */
-	projs_moved = 0;
-	irg_walk_graph(irg, NULL, clear_and_fix, &projs_moved);
-	if (projs_moved)
-		set_irg_outs_inconsistent(irg);
+	irg_walk_graph(irg, NULL, clear_and_fix, NULL);
 
 	/* we need outs for calculating the post order */
 	assure_irg_outs(irg);
@@ -1334,7 +1329,6 @@ void remove_phi_cycles(ir_graph *irg)
 	ir_free_resources(irg, IR_RESOURCE_IRN_LINK);
 
 	if (env.replaced) {
-		set_irg_outs_inconsistent(irg);
 		DB((dbg, LEVEL_1, "remove_phi_cycles: %u Cycles removed\n\n", env.replaced));
 	}
 
@@ -1420,7 +1414,6 @@ void opt_osr(ir_graph *irg, unsigned flags)
 {
 	iv_env   env;
 	int      edges;
-	int      projs_moved;
 
 	FIRM_DBG_REGISTER(dbg, "firm.opt.osr");
 
@@ -1443,10 +1436,7 @@ void opt_osr(ir_graph *irg, unsigned flags)
 	 * the same block as its predecessors.
 	 * This can improve the placement of new nodes.
 	 */
-	projs_moved = 0;
-	irg_walk_graph(irg, NULL, clear_and_fix, &projs_moved);
-	if (projs_moved)
-		set_irg_outs_inconsistent(irg);
+	irg_walk_graph(irg, NULL, clear_and_fix, NULL);
 
 	/* we need dominance */
 	assure_doms(irg);
@@ -1469,7 +1459,6 @@ void opt_osr(ir_graph *irg, unsigned flags)
 		lftr(irg, &env);
 		(void)lftr;
 
-		set_irg_outs_inconsistent(irg);
 		DB((dbg, LEVEL_1, "Replacements: %u + %u (lftr)\n\n", env.replaced, env.lftr_replaced));
 	}
 	ir_free_resources(irg, IR_RESOURCE_IRN_LINK);