1 files changed, 153 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c++/scan-16.C b/libgomp/testsuite/libgomp.c++/scan-16.C
new file mode 100644
index 0000000..025860e
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c++/scan-16.C
@@ -0,0 +1,153 @@
+// { dg-require-effective-target size32plus }
+// { dg-additional-options "-O2 -fopenmp -fdump-tree-vect-details" }
+// { dg-additional-options "-mavx" { target avx_runtime } }
+// { dg-final { scan-tree-dump-times "vectorized \[2-6] loops" 2 "vect" { xfail *-*-* } } }
+
+extern "C" void abort ();
+
+struct S {
+  inline S ();
+  inline ~S ();
+  inline S (const S &);
+  inline S & operator= (const S &);
+  int s;
+};
+
+S::S () : s (0)
+{
+}
+
+S::~S ()
+{
+}
+
+S::S (const S &x)
+{
+  s = x.s;
+}
+
+S &
+S::operator= (const S &x)
+{
+  s = x.s;
+  return *this;
+}
+
+static inline void
+ini (S &x)
+{
+  x.s = 0;
+}
+
+S r, a[1024], b[1024];
+
+#pragma omp declare reduction (+: S: omp_out.s += omp_in.s)
+#pragma omp declare reduction (plus: S: omp_out.s += omp_in.s) initializer (ini (omp_priv))
+
+__attribute__((noipa)) void
+foo (S *a, S *b, S &r)
+{
+  #pragma omp for simd simdlen (1) reduction (inscan, +:r)
+  for (int i = 0; i < 1024; i++)
+    {
+      b[i] = r;
+      #pragma omp scan exclusive(r)
+      r.s += a[i].s;
+    }
+}
+
+__attribute__((noipa)) S
+bar (void)
+{
+  S s;
+  #pragma omp parallel
+  #pragma omp for simd if (0) reduction (inscan, plus:s)
+  for (int i = 0; i < 1024; i++)
+    {
+      b[i] = s;
+      #pragma omp scan exclusive(s)
+      s.s += 2 * a[i].s;
+    }
+  return s;
+}
+
+__attribute__((noipa)) void
+baz (S *a, S *b, S &r)
+{
+  #pragma omp parallel for simd reduction (inscan, +:r)
+  for (int i = 0; i < 1024; i++)
+    {
+      b[i] = r;
+      #pragma omp scan exclusive(r)
+      r.s += a[i].s;
+    }
+}
+
+__attribute__((noipa)) S
+qux (void)
+{
+  S s;
+  #pragma omp parallel for simd reduction (inscan, plus:s)
+  for (int i = 0; i < 1024; i++)
+    {
+      b[i] = s;
+      #pragma omp scan exclusive(s)
+      s.s += 2 * a[i].s;
+    }
+  return s;
+}
+
+int
+main ()
+{
+  S s;
+  for (int i = 0; i < 1024; ++i)
+    {
+      a[i].s = i;
+      b[i].s = -1;
+      asm ("" : "+g" (i));
+    }
+  #pragma omp parallel
+  foo (a, b, r);
+  if (r.s != 1024 * 1023 / 2)
+    abort ();
+  for (int i = 0; i < 1024; ++i)
+    {
+      if (b[i].s != s.s)
+	abort ();
+      else
+	b[i].s = 25;
+      s.s += i;
+    }
+  if (bar ().s != 1024 * 1023)
+    abort ();
+  s.s = 0;
+  for (int i = 0; i < 1024; ++i)
+    {
+      if (b[i].s != s.s)
+	abort ();
+      s.s += 2 * i;
+    }
+  r.s = 0;
+  baz (a, b, r);
+  if (r.s != 1024 * 1023 / 2)
+    abort ();
+  s.s = 0;
+  for (int i = 0; i < 1024; ++i)
+    {
+      if (b[i].s != s.s)
+	abort ();
+      else
+	b[i].s = 25;
+      s.s += i;
+    }
+  if (qux ().s != 1024 * 1023)
+    abort ();
+  s.s = 0;
+  for (int i = 0; i < 1024; ++i)
+    {
+      if (b[i].s != s.s)
+	abort ();
+      s.s += 2 * i;
+    }
+}