From: amker <amker@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 18 May 2016 10:41:28 +0000 (+0000)
Subject: 	* tree-ssa-loop-ivopts.c (get_computation_cost_at): Check inv
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b41fcb56cb6075698c4929a75e01f443ebccc206;p=thirdparty%2Fgcc.git

	* tree-ssa-loop-ivopts.c (get_computation_cost_at): Check inv
	expression pointer, not pointer to the pointer.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@236371 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f3f6d38b9cfc..a011528db7c7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-05-18 Bin Cheng  <bin.cheng@arm.com>
+
+	* tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
+	expression pointer, not pointer to the pointer.
+
 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
 
 	* config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c
index e8953a05b0b7..9ce6b6495197 100644
--- a/gcc/tree-ssa-loop-ivopts.c
+++ b/gcc/tree-ssa-loop-ivopts.c
@@ -4874,7 +4874,7 @@ get_computation_cost_at (struct ivopts_data *data,
       *inv_expr = get_loop_invariant_expr (data, ubase, cbase, ratio,
 					   address_p);
       /* Clear depends on.  */
-      if (inv_expr != NULL)
+      if (*inv_expr != NULL)
 	bitmap_clear (*depends_on);
     }