[gcc(refs/users/guojiufu/heads/personal-branch)] Add 'libgomp.oacc-c-c++-common/struct-copyout-{1, 2}.c'

[gcc(refs/users/guojiufu/heads/personal-branch)] Add 'libgomp.oacc-c-c++-common/struct-copyout-{1, 2}.c'

[Jiu Fu Guo]

https://gcc.gnu.org/g:9643f5bbe237764cbefc975e934d1281f47ee3c2

commit 9643f5bbe237764cbefc975e934d1281f47ee3c2
Author: Julian Brown <julian@codesourcery.com>
Date:   Thu Jun 4 06:40:53 2020 -0700

    Add 'libgomp.oacc-c-c++-common/struct-copyout-{1,2}.c'
    
            libgomp/
            * testsuite/libgomp.oacc-c-c++-common/struct-copyout-1.c: New test.
            * testsuite/libgomp.oacc-c-c++-common/struct-copyout-2.c: New test.
    
    Reviewed-by: Thomas Schwinge <thomas@codesourcery.com>

Diff:
---
 .../libgomp.oacc-c-c++-common/struct-copyout-1.c   | 38 +++++++++++++++++++
 .../libgomp.oacc-c-c++-common/struct-copyout-2.c   | 44 ++++++++++++++++++++++
 2 files changed, 82 insertions(+)

diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/struct-copyout-1.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/struct-copyout-1.c
new file mode 100644
index 00000000000..b86f1c921a9
--- /dev/null
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/struct-copyout-1.c
@@ -0,0 +1,38 @@
+#include <assert.h>
+
+struct str1 {
+  int a;
+  int b;
+};
+
+struct str2 {
+  int c;
+  int d;
+  struct str1 s;
+};
+
+int
+main (int argc, char *argv[])
+{
+  struct str2 t;
+
+  t.c = 1;
+  t.d = 2;
+  t.s.a = 3;
+  t.s.b = 4;
+
+  #pragma acc enter data copyin(t.s)
+
+  #pragma acc serial present(t.s) /* { dg-warning "using vector_length \\(32\\), ignoring 1" "" { target openacc_nvidia_accel_selected } } */
+  {
+    t.s.a = 5;
+    t.s.b = 6;
+  }
+
+  #pragma acc exit data copyout(t.s)
+
+  assert (t.s.a == 5);
+  assert (t.s.b == 6);
+
+  return 0;
+}
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/struct-copyout-2.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/struct-copyout-2.c
new file mode 100644
index 00000000000..4dd8a3a7e17
--- /dev/null
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/struct-copyout-2.c
@@ -0,0 +1,44 @@
+#include <assert.h>
+#include <stdlib.h>
+
+struct str1 {
+  int a;
+  int b;
+  int *c;
+};
+
+#define N 1024
+
+int
+main (int argc, char *argv[])
+{
+  struct str1 s;
+
+  s.a = 1;
+  s.b = 2;
+  s.c = (int *) malloc (sizeof (int) * N);
+
+  for (int i = 0; i < N; i++)
+    s.c[i] = i + 10;
+
+  #pragma acc enter data copyin(s.a, s.b, s.c[0:N])
+
+  #pragma acc serial present(s.a, s.b, s.c[0:N]) /* { dg-warning "using vector_length \\(32\\), ignoring 1" "" { target openacc_nvidia_accel_selected } } */
+  {
+    s.a = 3;
+    s.b = 4;
+    for (int i = 0; i < N; i++)
+      s.c[i] = i + 20;
+  }
+
+  #pragma acc exit data copyout(s.a, s.b, s.c[0:N])
+
+  assert (s.a == 3);
+  assert (s.b == 4);
+  for (int i = 0; i < N; i++)
+    assert (s.c[i] == i + 20);
+
+  free (s.c);
+
+  return 0;
+}