From d331e204024e2a74124880dd0dee8f4952fc9b26 Mon Sep 17 00:00:00 2001
From: Mostafa Hagog <mustafa@il.ibm.com>
Date: Mon, 21 Mar 2005 18:49:29 +0000
Subject: Fix PR middle-end/20177 and add test case.

From-SVN: r96828
---
 gcc/ddg.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'gcc/ddg.c')

diff --git a/gcc/ddg.c b/gcc/ddg.c
index a54a87c..5a2cbee 100644
--- a/gcc/ddg.c
+++ b/gcc/ddg.c
@@ -187,6 +187,8 @@ create_ddg_dependence (ddg_ptr g, ddg_node_ptr src_node,
       else
 	free (e);
     }
+  else if (t == ANTI_DEP && dt == REG_DEP)
+    free (e);  /* We can fix broken anti register deps using reg-moves.  */
   else
     add_edge_to_ddg (g, e);
 }
-- 
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