diff gcc/testsuite/c-c++-common/goacc/kernels-loop-data.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop-data.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,62 @@
+/* { dg-additional-options "-O2" } */
+/* { dg-additional-options "-fdump-tree-parloops1-all" } */
+/* { dg-additional-options "-fdump-tree-optimized" } */
+
+#include <stdlib.h>
+
+#define N (1024 * 512)
+#define COUNTERTYPE unsigned int
+
+int
+main (void)
+{
+  unsigned int *__restrict a;
+  unsigned int *__restrict b;
+  unsigned int *__restrict c;
+
+  a = (unsigned int *)malloc (N * sizeof (unsigned int));
+  b = (unsigned int *)malloc (N * sizeof (unsigned int));
+  c = (unsigned int *)malloc (N * sizeof (unsigned int));
+
+#pragma acc data copyout (a[0:N], b[0:N], c[0:N])
+  {
+#pragma acc kernels present (a[0:N])
+    {
+      for (COUNTERTYPE i = 0; i < N; i++)
+	a[i] = i * 2;
+    }
+
+#pragma acc kernels present (b[0:N])
+    {
+      for (COUNTERTYPE i = 0; i < N; i++)
+	b[i] = i * 4;
+    }
+
+#pragma acc kernels present (a[0:N], b[0:N], c[0:N])
+    {
+      for (COUNTERTYPE ii = 0; ii < N; ii++)
+	c[ii] = a[ii] + b[ii];
+    }
+  }
+
+  for (COUNTERTYPE i = 0; i < N; i++)
+    if (c[i] != a[i] + b[i])
+      abort ();
+
+  free (a);
+  free (b);
+  free (c);
+
+  return 0;
+}
+
+/* Check that only three loops are analyzed, and that all can be
+   parallelized.  */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops1" } } */
+/* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 3 "parloops1" } } */
+/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
+
+/* Check that the loop has been split off into a function.  */
+/* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.0" 1 "optimized" } } */
+/* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.1" 1 "optimized" } } */
+/* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.2" 1 "optimized" } } */