diff gcc/testsuite/c-c++-common/goacc/kernels-loop-nest.c @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop-nest.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,37 @@
+/* { dg-additional-options "-O2" } */
+/* { dg-additional-options "-fdump-tree-parloops1-all" } */
+/* { dg-additional-options "-fdump-tree-optimized" } */
+
+/* Based on autopar/outer-1.c.  */
+
+#include <stdlib.h>
+
+#define N 1000
+
+int
+main (void)
+{
+  int x[N][N];
+
+#pragma acc kernels copyout (x)
+  {
+    for (int ii = 0; ii < N; ii++)
+      for (int jj = 0; jj < N; jj++)
+	x[ii][jj] = ii + jj + 3;
+  }
+
+  for (int i = 0; i < N; i++)
+    for (int j = 0; j < N; j++)
+      if (x[i][j] != i + j + 3)
+	abort ();
+
+  return 0;
+}
+
+/* Check that only one loop is analyzed, and that it can be parallelized.  */
+/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */
+/* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "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" } } */