From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Thu, 12 Jun 2008 11:18:29 +0000 (+0000)
Subject: workaround for dead CF: restart the optimization
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=680e3f5f4c5233fcf3f0f81890715aed0960da6f;hp=3bb99d96d55905d1606140fef99e35b28ab38542;p=libfirm

workaround for dead CF: restart the optimization

[r20076]
---

diff --git a/ir/opt/cfopt.c b/ir/opt/cfopt.c
index be03bfad6..ddb8e53fb 100644
--- a/ir/opt/cfopt.c
+++ b/ir/opt/cfopt.c
@@ -707,6 +707,7 @@ void optimize_cf(ir_graph *irg) {
 	/* FIXME: is this still needed? */
 	edges_deactivate(irg);
 
+restart:
 	env.changed    = 0;
 	env.phis_moved = 0;
 
@@ -762,11 +763,11 @@ void optimize_cf(ir_graph *irg) {
 		set_irg_doms_inconsistent(irg);
 		set_irg_extblk_inconsistent(irg);
 		set_irg_loopinfo_inconsistent(irg);
+		goto restart;
 	}
 
 	/* Optimize the standard code. */
 	env.changed = 0;
-	assure_doms(irg);
 	irg_block_walk(get_irg_end_block(irg), optimize_blocks, remove_simple_blocks, &env);
 
 	/* Walk all keep alives, optimize them if block, add to new in-array