Hi,
this patch adds a testcase testing the independent clause on outer loop
in oacc kernels region.
Committed to gomp-4_0-branch.
Thanks,
- Tom
Add c-c++-common/goacc/kernels-loop-nest-independent.c
2015-07-15 Tom de Vries <t...@codesourcery.com>
* c-c++-common/goacc/kernels-loop-nest-independent.c: New test.
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-loop-nest-independent.c b/gcc/testsuite/c-c++-common/goacc/kernels-loop-nest-independent.c
new file mode 100644
index 0000000..4486b6a
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop-nest-independent.c
@@ -0,0 +1,40 @@
+/* { dg-additional-options "-O2" } */
+/* { dg-additional-options "-ftree-parallelize-loops=32" } */
+/* { dg-additional-options "-fdump-tree-parloops_oacc_kernels-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)
+ {
+#pragma acc loop independent
+ 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, marked independent" 1 "parloops_oacc_kernels" } } */
+/* { dg-final { scan-tree-dump-not "FAILED:" "parloops_oacc_kernels" } } */
+
+/* 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)pragma omp target oacc_parallel.*num_gangs\\(32\\)" 1 "parloops_oacc_kernels" } } */
--
1.9.1
