From 322a0b39c823f42ee11cbf4c65e9f4a150f9edb6 Mon Sep 17 00:00:00 2001
From: Roman Gareev <gareevroman@gmail.com>
Date: Wed, 23 Jul 2014 07:05:00 +0000
Subject: [PATCH] gcc/ 	* graphite-isl-ast-to-gimple.c: 
 (translate_isl_ast_node_block): New function. 	(translate_isl_ast): Add
 calling of translate_isl_ast_node_block.

	gcc/testsuite/gcc.dg/graphite/
	* isl-ast-gen-blocks-1.c: New testcase.
	* isl-ast-gen-blocks-2.c: New testcase.

From-SVN: r212922
---
 gcc/ChangeLog                                 | 10 +++++++
 gcc/graphite-isl-ast-to-gimple.c              | 23 +++++++++++++++-
 .../gcc.dg/graphite/isl-ast-gen-blocks-1.c    | 27 +++++++++++++++++++
 .../gcc.dg/graphite/isl-ast-gen-blocks-2.c    | 27 +++++++++++++++++++
 4 files changed, 86 insertions(+), 1 deletion(-)
 create mode 100644 gcc/testsuite/gcc.dg/graphite/isl-ast-gen-blocks-1.c
 create mode 100644 gcc/testsuite/gcc.dg/graphite/isl-ast-gen-blocks-2.c

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4318cf85b545..96764719d275 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,13 @@
+2014-07-23  Roman Gareev  <gareevroman@gmail.com>
+
+	* graphite-isl-ast-to-gimple.c:
+	(translate_isl_ast_node_block): New function.
+	(translate_isl_ast): Add calling of translate_isl_ast_node_block.
+
+	testsuite/gcc.dg/graphite/
+	* isl-ast-gen-blocks-1.c: New testcase.
+	* isl-ast-gen-blocks-2.c: New testcase.
+
 2014-07-23  Roman Gareev  <gareevroman@gmail.com>
 
 	* graphite-isl-ast-to-gimple.c:
diff --git a/gcc/graphite-isl-ast-to-gimple.c b/gcc/graphite-isl-ast-to-gimple.c
index 75cbfb575d4c..6f58c7c600fc 100644
--- a/gcc/graphite-isl-ast-to-gimple.c
+++ b/gcc/graphite-isl-ast-to-gimple.c
@@ -616,6 +616,26 @@ translate_isl_ast_node_user (__isl_keep isl_ast_node *node,
   return next_e;
 }
 
+/* Translates an isl_ast_node_block to Gimple. */
+
+static edge
+translate_isl_ast_node_block (loop_p context_loop,
+			      __isl_keep isl_ast_node *node,
+			      edge next_e, ivs_params &ip)
+{
+  gcc_assert (isl_ast_node_get_type (node) == isl_ast_node_block);
+  isl_ast_node_list *node_list = isl_ast_node_block_get_children (node);
+  int i;
+  for (i = 0; i < isl_ast_node_list_n_ast_node (node_list); i++)
+    {
+      isl_ast_node *tmp_node = isl_ast_node_list_get_ast_node (node_list, i);
+      next_e = translate_isl_ast (context_loop, tmp_node, next_e, ip);
+      isl_ast_node_free (tmp_node);
+    }
+  isl_ast_node_list_free (node_list);
+  return next_e;
+}
+
 /* Translates an ISL AST node NODE to GCC representation in the
    context of a SESE.  */
 
@@ -639,7 +659,8 @@ translate_isl_ast (loop_p context_loop, __isl_keep isl_ast_node *node,
       return translate_isl_ast_node_user (node, next_e, ip);
 
     case isl_ast_node_block:
-      return next_e;
+      return translate_isl_ast_node_block (context_loop, node,
+					   next_e, ip);
 
     default:
       gcc_unreachable ();
diff --git a/gcc/testsuite/gcc.dg/graphite/isl-ast-gen-blocks-1.c b/gcc/testsuite/gcc.dg/graphite/isl-ast-gen-blocks-1.c
new file mode 100644
index 000000000000..e3e74f1cdfd9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/isl-ast-gen-blocks-1.c
@@ -0,0 +1,27 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -fgraphite-identity -fgraphite-code-generator=isl" } */
+
+int n = 50;
+static int __attribute__((noinline))
+foo ()
+{
+  int i, res;
+  for (i = 0, res = 0; i < n; i++)
+    res += i;
+
+  return res;
+}
+
+extern void abort ();
+
+int
+main (void)
+{ 
+  int res = foo ();
+
+
+  if (res != 1225)
+    abort ();
+
+  return 0;
+}
diff --git a/gcc/testsuite/gcc.dg/graphite/isl-ast-gen-blocks-2.c b/gcc/testsuite/gcc.dg/graphite/isl-ast-gen-blocks-2.c
new file mode 100644
index 000000000000..f6229cd7969b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/isl-ast-gen-blocks-2.c
@@ -0,0 +1,27 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -fgraphite-identity -fgraphite-code-generator=isl" } */
+
+int k = 50;
+static int __attribute__((noinline))
+foo ()
+{
+  int i, res;
+  for (i = 0, res = 0; i < k; i++)
+    res += i;
+
+  return res;
+}
+
+extern void abort ();
+
+int
+main (void)
+{ 
+  int res = foo ();
+
+
+  if (res != 1225)
+    abort ();
+
+  return 0;
+}