From: Richard Biener <rguenther@suse.de>
Date: Mon, 22 Aug 2016 08:25:30 +0000 (+0000)
Subject: tree-ssa-forwprop.c (pass_forwprop::execute): Use RPO order.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=43b7a577806ab9c11580e9034869dd5a8ba2e5fb;p=gcc.git

tree-ssa-forwprop.c (pass_forwprop::execute): Use RPO order.

2016-08-22  Richard Biener  <rguenther@suse.de>

	* tree-ssa-forwprop.c (pass_forwprop::execute): Use RPO order.

From-SVN: r239653
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 265cc292e26..77300dcdd48 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2016-08-22  Richard Biener  <rguenther@suse.de>
+
+	* tree-ssa-forwprop.c (pass_forwprop::execute): Use RPO order.
+
 2016-08-21  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/77270
diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c
index 736b841bc90..5d7739b5bb3 100644
--- a/gcc/tree-ssa-forwprop.c
+++ b/gcc/tree-ssa-forwprop.c
@@ -2099,7 +2099,8 @@ pass_forwprop::execute (function *fun)
   lattice.create (num_ssa_names);
   lattice.quick_grow_cleared (num_ssa_names);
   int *postorder = XNEWVEC (int, n_basic_blocks_for_fn (fun));
-  int postorder_num = inverted_post_order_compute (postorder);
+  int postorder_num = pre_and_rev_post_order_compute_fn (cfun, NULL,
+							 postorder, false);
   auto_vec<gimple *, 4> to_fixup;
   to_purge = BITMAP_ALLOC (NULL);
   for (int i = 0; i < postorder_num; ++i)