1 files changed, 55 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c++/declare-mapper-2.C b/libgomp/testsuite/libgomp.c++/declare-mapper-2.C
new file mode 100644
index 0000000..d848fdb
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c++/declare-mapper-2.C
@@ -0,0 +1,55 @@
+// { dg-do run }
+
+#include <cassert>
+
+#define N 256
+
+struct doublebuf
+{
+  int buf_a[N][N];
+  int buf_b[N][N];
+};
+
+#pragma omp declare mapper(lo:doublebuf b) map(b.buf_a[0:N/2][0:N]) \
+					   map(b.buf_b[0:N/2][0:N])
+
+#pragma omp declare mapper(hi:doublebuf b) map(b.buf_a[N/2:N/2][0:N]) \
+					   map(b.buf_b[N/2:N/2][0:N])
+
+int main (int argc, char *argv[])
+{
+  doublebuf db;
+
+  for (int i = 0; i < N; i++)
+    for (int j = 0; j < N; j++)
+      db.buf_a[i][j] = db.buf_b[i][j] = 0;
+
+  #pragma omp target map(mapper(lo), tofrom:db)
+  {
+    for (int i = 0; i < N / 2; i++)
+      for (int j = 0; j < N; j++)
+	{
+	  db.buf_a[i][j]++;
+	  db.buf_b[i][j]++;
+	}
+  }
+
+  #pragma omp target map(mapper(hi), tofrom:db)
+  {
+    for (int i = N / 2; i < N; i++)
+      for (int j = 0; j < N; j++)
+	{
+	  db.buf_a[i][j]++;
+	  db.buf_b[i][j]++;
+	}
+  }
+
+  for (int i = 0; i < N; i++)
+    for (int j = 0; j < N; j++)
+      {
+	assert (db.buf_a[i][j] == 1);
+	assert (db.buf_b[i][j] == 1);
+      }
+
+  return 0;
+}