1 files changed, 57 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/graphite/block-5.c b/gcc/testsuite/gcc.dg/graphite/block-5.c
new file mode 100644
index 000000000..b577958c5
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/block-5.c
@@ -0,0 +1,57 @@
+/* { dg-require-effective-target size32plus } */
+
+#define DEBUG 0
+#if DEBUG
+#include <stdio.h>
+#endif
+
+#define N 200
+
+int a[N][N];
+int b[N][N];
+
+static int __attribute__((noinline))
+foo (void)
+{
+  int i, j;
+  int res = 0;
+
+  /* This loop nest should be blocked.  */
+  for (j = 1; j < N; j++)
+    for (i = 0; i < N; i++)
+      a[i][j] = a[i][j-1] + b[i][j];
+
+  for (i = 0; i < N; i++)
+    res += a[i][i];
+
+  return res;
+}
+
+extern void abort ();
+
+int
+main (void)
+{
+  int i, j, res;
+
+  for (i = 0; i < N; i++)
+    for (j = 0; j < N; j++)
+      {
+	a[i][j] = i + j;
+	b[i][j] = i - j;
+      }
+
+  res = foo ();
+
+#if DEBUG
+  fprintf (stderr, "res = %d \n", res);
+#endif
+
+  if (res != 1333300)
+    abort ();
+
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "will be loop blocked" 1 "graphite" } } */
+/* { dg-final { cleanup-tree-dump "graphite" } } */