1 files changed, 86 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c/target-11.c b/libgomp/testsuite/libgomp.c/target-11.c
new file mode 100644
index 00000000000..625c2863f4b
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/target-11.c
@@ -0,0 +1,86 @@
+/* { dg-require-effective-target offload_device_nonshared_as } */
+
+#include <stdlib.h>
+#include <assert.h>
+
+#define N 32
+
+void test_array_section (int *p)
+{
+  #pragma omp target data map(alloc: p[0:N])
+    {
+      int ok = 1;
+      for (int i = 10; i < 10 + 4; i++)
+	p[i] = 997 * i;
+
+      #pragma omp target map(always to:p[10:4]) map(tofrom: ok)
+	for (int i = 10; i < 10 + 4; i++)
+	  if (p[i] != 997 * i)
+	    ok = 0;
+
+      assert (ok);
+
+      #pragma omp target map(always from:p[7:9])
+	for (int i = 0; i < N; i++)
+	  p[i] = i;
+    }
+}
+
+int main ()
+{
+  int aa = 0, bb = 0, cc = 0, dd = 0;
+
+  #pragma omp target data map(tofrom: aa) map(to: bb) map(from: cc, dd)
+    {
+      int ok;
+      aa = bb = cc = 1;
+
+      /* Set dd on target to 0 for the further check.  */
+      #pragma omp target map(always to: dd)
+	;
+
+      dd = 1;
+      #pragma omp target map(tofrom: aa) map(always to: bb) \
+	map(always from: cc) map(to: dd) map(from: ok)
+	{
+	  /* bb is always to, aa and dd are not.  */
+	  ok = (aa == 0) && (bb == 1) && (dd == 0);
+	  aa = bb = cc = dd = 2;
+	}
+
+      assert (ok);
+      assert (aa == 1);
+      assert (bb == 1);
+      assert (cc == 2); /* cc is always from.  */
+      assert (dd == 1);
+
+      dd = 3;
+      #pragma omp target map(from: cc) map(always to: dd) map(from: ok)
+	{
+	  ok = (dd == 3); /* dd is always to.  */
+	  cc = dd = 4;
+	}
+
+      assert (ok);
+      assert (cc == 2);
+      assert (dd == 3);
+    }
+
+  assert (aa == 2);
+  assert (bb == 1);
+  assert (cc == 4);
+  assert (dd == 4);
+
+  int *array = calloc (N, sizeof (int));
+  test_array_section (array);
+
+  for (int i = 0; i < 7; i++)
+    assert (array[i] == 0);
+  for (int i = 7; i < 7 + 9; i++)
+    assert (array[i] == i);
+  for (int i = 7 + 9; i < N; i++)
+    assert (array[i] == 0);
+
+  free (array);
+  return 0;
+}