graphite-scop-detection.c: Add inclusion of cp-tree.h.

[gcc/]

	* graphite-scop-detection.c:
	Add inclusion of cp-tree.h.
	(graphite_can_represent_scev): Disables the handling of SSA_NAME nodes
	in case they are pointers to object types

From-SVN: r213969

gcc/ChangeLog

+2014-08-14  Roman Gareev  <gareevroman@gmail.com>
+
+	* graphite-scop-detection.c:
+	Add inclusion of cp-tree.h.
+	(graphite_can_represent_scev): Disables the handling of SSA_NAME nodes
+	in case they are pointers to object types
+
 2014-08-14  Richard Biener  <rguenther@suse.de>
 
 	* BASE-VER: Change to 5.0.0

gcc/graphite-scop-detection.c

@@ -54,6 +54,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "tree-pass.h"
 #include "sese.h"
 #include "tree-ssa-propagate.h"
+#include "cp/cp-tree.h"
 
 #ifdef HAVE_cloog
 #include "graphite-poly.h"
@@ -217,6 +218,14 @@ graphite_can_represent_scev (tree scev)
   if (chrec_contains_undetermined (scev))
     return false;
 
+  /* We disable the handling of pointer types, because it’s currently not
+     supported by Graphite with the ISL AST generator. SSA_NAME nodes are
+     the only nodes, which are disabled in case they are pointers to object
+     types, but this can be changed.  */
+
+  if (TYPE_PTROB_P (TREE_TYPE (scev)) && TREE_CODE (scev) == SSA_NAME)
+    return false;
+
   switch (TREE_CODE (scev))
     {
     case NEGATE_EXPR: