From: Richard Biener <rguenther@suse.de>
Date: Tue, 22 Jan 2019 11:28:56 +0000 (+0000)
Subject: re PR tree-optimization/88862 (ICE in extract_affine, at graphite-sese-to-poly.c... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4c82aa3b6a02f2b66f2b9144e8f72f2e4261ce9b;p=gcc.git

re PR tree-optimization/88862 (ICE in extract_affine, at graphite-sese-to-poly.c:313)

2019-01-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/88862
	* graphite-scop-detection.c
	(scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.

From-SVN: r268147
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 083f06f1934..4627efc3165 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-01-22  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/88862
+	* graphite-scop-detection.c
+	(scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
+
 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
 
 	* doc/extend.tex (AMD GCN Function Attributes): New section.
diff --git a/gcc/graphite-scop-detection.c b/gcc/graphite-scop-detection.c
index 5f63bceb41d..57d3b4806c8 100644
--- a/gcc/graphite-scop-detection.c
+++ b/gcc/graphite-scop-detection.c
@@ -892,6 +892,10 @@ scop_detection::graphite_can_represent_scev (sese_l scop, tree scev)
 	return false;
       return graphite_can_represent_scev (scop, CHREC_LEFT (scev));
 
+    case ADDR_EXPR:
+      /* We cannot encode addresses for ISL.  */
+      return false;
+
     default:
       break;
     }