From: Christoph Mallon <christoph.mallon@gmx.de>
Date: Sun, 12 Oct 2008 12:49:50 +0000 (+0000)
Subject: Remove logical impossibility: A node cannot be a Perm and a Proj at the same time... 
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=051453480f7a6f94a4c373986dd45a0d8e396035;p=libfirm

Remove logical impossibility: A node cannot be a Perm and a Proj at the same time.  Even then the code makes no sense, because setting the proj no of a Proj and exchanging it right after that is pretty pointless.

[r22800]
---

diff --git a/ir/be/belower.c b/ir/be/belower.c
index ee09f6b53..2130e864b 100644
--- a/ir/be/belower.c
+++ b/ir/be/belower.c
@@ -328,17 +328,8 @@ static void lower_perm_node(ir_node *irn, void *walk_env) {
 			DBG((mod, LEVEL_1, "%+F removing equal perm register pair (%+F, %+F, %s)\n",
 				irn, pairs[i].in_node, pairs[i].out_node, pairs[i].out_reg->name));
 
-			/* We have to check for a special case:
-				The in-node could be a Proj from a Perm. In this case,
-				we need to correct the projnum */
-			if (be_is_Perm(pairs[i].in_node) && is_Proj(pairs[i].in_node)) {
-				set_Proj_proj(pairs[i].out_node, get_Proj_proj(pairs[i].in_node));
-			}
-
 			/* reroute the edges from the proj to the argument */
 			exchange(pairs[i].out_node, pairs[i].in_node);
-			//edges_reroute(pairs[i].out_node, pairs[i].in_node, env->birg->irg);
-			//set_irn_n(pairs[i].out_node, 0, new_Bad());
 
 			pairs[i].checked = 1;
 		}