1 files changed, 48 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/graphite/interchange-9.c b/gcc/testsuite/gcc.dg/graphite/interchange-9.c
new file mode 100644
index 000000000..3f8e843ea
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/interchange-9.c
@@ -0,0 +1,48 @@
+/* { dg-require-effective-target size32plus } */
+
+#define DEBUG 0
+#if DEBUG
+#include <stdio.h>
+#endif
+
+#define N 111
+#define M 111
+
+static int __attribute__((noinline))
+foo (int *x)
+{
+  int i, j;
+  int sum = 0;
+
+  for (j = 0; j < M; ++j)
+    for (i = 0;  i < N; ++i)
+      sum += x[M * i + j];
+
+  return sum;
+}
+
+extern void abort ();
+
+int
+main (void)
+{
+  int A[N*M];
+  int i, res;
+
+  for (i = 0; i < N*M; i++)
+    A[i] = 2;
+
+  res = foo (A);
+
+#if DEBUG
+  fprintf (stderr, "res = %d \n", res);
+#endif
+
+  if (res != 24642)
+    abort ();
+
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */
+/* { dg-final { cleanup-tree-dump "graphite" } } */