X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Fircons.c;h=f38994b2827e0098a139b6e027f10b64c1934b22;hb=7d070c58e7bef1ed875fac066b57f29de449724b;hp=6ac3a8838d423380939666b0f00a451be1371e3b;hpb=2a018b8111bd0596816c1d00c38a0024857753f7;p=libfirm

diff --git a/ir/ir/ircons.c b/ir/ir/ircons.c
index 6ac3a8838..f38994b28 100644
--- a/ir/ir/ircons.c
+++ b/ir/ir/ircons.c
@@ -285,13 +285,11 @@ static ir_node *get_r_value_internal(ir_node *block, int pos, ir_mode *mode)
 		return res;
 
 	/* We ran into a cycle. This may happen in unreachable loops. */
-	if (irn_visited(block)) {
+	if (irn_visited_else_mark(block)) {
 		/* Since the loop is unreachable, return a Bad. */
 		return new_r_Bad(irg);
 	}
 
-	mark_irn_visited(block);
-
 	/* in a matured block we can immediately determine the phi arguments */
 	if (get_Block_matured(block)) {
 		int arity = get_irn_arity(block);
@@ -503,7 +501,6 @@ ir_node *new_rd_immBlock(dbg_info *dbgi, ir_graph *irg)
 	res = new_ir_node(dbgi, irg, NULL, op_Block, mode_BB, -1, NULL);
 
 	set_Block_matured(res, 0);
-	res->attr.block.is_dead     = 0;
 	res->attr.block.irg.irg     = irg;
 	res->attr.block.backedge    = NULL;
 	res->attr.block.in_cg       = NULL;
@@ -598,9 +595,8 @@ static ir_mode *guess_recursively(ir_node *block, int pos)
 	int      n_preds;
 	int      i;
 
-	if (irn_visited(block))
+	if (irn_visited_else_mark(block))
 		return NULL;
-	mark_irn_visited(block);
 
 	/* already have a defintion -> we can simply look at its mode */
 	value = block->attr.block.graph_arr[pos];