From: Sebastian Pop <sebastian.pop@amd.com>
Date: Thu, 30 Sep 2010 21:18:01 +0000 (+0000)
Subject: Fix PR45229: gcc.c-torture/execute/20000412-4.c ICEs with -fgraphite-identity.
X-Git-Tag: releases/gcc-4.6.0~3996
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b4c8119fe2992f78d79acaef79302533ba085b03;p=thirdparty%2Fgcc.git

Fix PR45229: gcc.c-torture/execute/20000412-4.c ICEs with -fgraphite-identity.

2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/45229
	* graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
	handle GIMPLE_CALLs with no LHS.

From-SVN: r164785
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 685f0d0da9b4..a602b065083d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
+
+	PR middle-end/45229
+	* graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
+	handle GIMPLE_CALLs with no LHS.
+
 2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 
 	* graphite-poly.c (init_graphite_out_file): New.
diff --git a/gcc/ChangeLog.graphite b/gcc/ChangeLog.graphite
index 3d86952d2769..2378046e0080 100644
--- a/gcc/ChangeLog.graphite
+++ b/gcc/ChangeLog.graphite
@@ -1,3 +1,9 @@
+2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
+
+	PR middle-end/45229
+	* graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
+	handle GIMPLE_CALLs with no LHS.
+
 2010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
 	    Sebastian Pop  <sebastian.pop@amd.com>
 
diff --git a/gcc/graphite-sese-to-poly.c b/gcc/graphite-sese-to-poly.c
index 0fd6120ced03..09abd5032d79 100644
--- a/gcc/graphite-sese-to-poly.c
+++ b/gcc/graphite-sese-to-poly.c
@@ -2465,7 +2465,8 @@ rewrite_cross_bb_scalar_deps (sese region, gimple_stmt_iterator *gsi)
       return false;
     }
 
-  if (!is_gimple_reg (def))
+  if (!def
+      || !is_gimple_reg (def))
     return false;
 
   if (scev_analyzable_p (def, region))