X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fana%2Firloop.c;h=7ac9132576877ed6169ff06b3089e5f37521b580;hb=92a8cd23da593a04f6db70cb0b24e9a6c4791d89;hp=a17008409002b198ead14e7ac430a08f567b0919;hpb=0a4048fbaae21a969b0f03b066dde30a06968814;p=libfirm

diff --git a/ir/ana/irloop.c b/ir/ana/irloop.c
index a17008409..7ac913257 100644
--- a/ir/ana/irloop.c
+++ b/ir/ana/irloop.c
@@ -76,10 +76,10 @@ void mature_loops(ir_loop *loop, struct obstack *obst)
 
 	if (loop->n_sons > 0) {
 		/* we have child loops, mature them */
-		int i;
+		size_t i;
 
-		for (i = ARR_LEN(new_children) - 1; i >= 0; --i) {
-			loop_element child = new_children[i];
+		for (i = ARR_LEN(new_children); i > 0;) {
+			loop_element child = new_children[--i];
 
 			if (*child.kind == k_ir_loop) {
 				mature_loops(child.son, obst);
@@ -177,7 +177,7 @@ size_t get_loop_element_pos(const ir_loop *loop, void *le)
 	for (i = 0; i < n; i++)
 		if (get_loop_element(loop, i).node == le)
 			return i;
-	return (size_t)-1;
+	return INVALID_LOOP_POS;
 }