From dbdc7f9732197852984693602a4d13b9e3ccf54d Mon Sep 17 00:00:00 2001
From: Zdenek Dvorak <dvorakz@suse.cz>
Date: Thu, 26 Jul 2007 01:19:56 +0200
Subject: [PATCH] cfghooks.c (split_block): Fix the information about loop
latch.
* cfghooks.c (split_block): Fix the information about loop latch.
From-SVN: r126936
---
gcc/ChangeLog | 4 ++++
gcc/cfghooks.c | 6 +++++-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 24430b652e5c..5102f813873a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2007-07-25 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfghooks.c (split_block): Fix the information about loop latch.
+
2007-07-25 Zdenek Dvorak <dvorakz@suse.cz>
* cfgloopmanip.c (fix_loop_structure): Call force_single_succ_latches.
diff --git a/gcc/cfghooks.c b/gcc/cfghooks.c
index d436f011fac3..948300c028e1 100644
--- a/gcc/cfghooks.c
+++ b/gcc/cfghooks.c
@@ -432,7 +432,11 @@ split_block (basic_block bb, void *i)
}
if (current_loops != NULL)
- add_bb_to_loop (new_bb, bb->loop_father);
+ {
+ add_bb_to_loop (new_bb, bb->loop_father);
+ if (bb->loop_father->latch == bb)
+ bb->loop_father->latch = new_bb;
+ }
return make_single_succ_edge (bb, new_bb, EDGE_FALLTHRU);
}
--
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