From: Matthias Braun <matze@braunis.de>
Date: Mon, 5 Nov 2007 16:05:11 +0000 (+0000)
Subject: we can't be sure that phis aren't used anymore when they're disposed
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=fa1e732da6a912dadeba1985fd0270d4e3142b89;p=libfirm

we can't be sure that phis aren't used anymore when they're disposed

[r16437]
---

diff --git a/ir/be/bespillbelady.c b/ir/be/bespillbelady.c
index 948278f6c..2bfa9decb 100644
--- a/ir/be/bespillbelady.c
+++ b/ir/be/bespillbelady.c
@@ -373,7 +373,7 @@ static void displace(workset_t *new_vals, int is_usage)
 				//be_add_spill(senv, val, instr);
 			}
 
-			if (! ir_nodeset_contains(&used, val)) {
+			if (!is_Phi(val) && ! ir_nodeset_contains(&used, val)) {
 				workset_remove(ws_start, val);
 				DBG((dbg, DBG_DECIDE, "    (and removing %+F from start workset)\n", val));
 			}