From: Richard Biener <rguenther@suse.de>
Date: Wed, 19 Oct 2016 08:39:55 +0000 (+0000)
Subject: domwalk.c (dom_walker::walk): Use RPO order.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e7a3e0c653be4bd32f116dae06438896b7dc915b;p=gcc.git

domwalk.c (dom_walker::walk): Use RPO order.

2016-10-19  Richard Biener  <rguenther@suse.de>

	* domwalk.c (dom_walker::walk): Use RPO order.

From-SVN: r241329
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ba1d46060e0..d5830d552bf 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2016-10-19  Richard Biener  <rguenther@suse.de>
+
+	* domwalk.c (dom_walker::walk): Use RPO order.
+
 2016-10-19  Richard Biener  <rguenther@suse.de>
 
 	* tree-vrp.c (evrp_dom_walker::evrp_dom_walker): Initialize
diff --git a/gcc/domwalk.c b/gcc/domwalk.c
index 9b483113ffa..80ee7ff58eb 100644
--- a/gcc/domwalk.c
+++ b/gcc/domwalk.c
@@ -243,7 +243,7 @@ dom_walker::walk (basic_block bb)
   if (m_dom_direction == CDI_DOMINATORS)
     {
       postorder = XNEWVEC (int, n_basic_blocks_for_fn (cfun));
-      postorder_num = inverted_post_order_compute (postorder);
+      postorder_num = pre_and_rev_post_order_compute (NULL, postorder, true);
       bb_postorder = XNEWVEC (int, last_basic_block_for_fn (cfun));
       for (int i = 0; i < postorder_num; ++i)
 	bb_postorder[postorder[i]] = i;