re PR lto/70289 ([openacc] ICE in input_varpool_node)

	gcc/
	PR lto/70289
	PR ipa/70348
	PR tree-optimization/70373
	PR middle-end/70533
	PR middle-end/70534
	PR middle-end/70535
	* gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
	clauses for acc parallel reductions as necessary.  Error on those
	that are private.
	* omp-low.c (scan_sharing_clauses): Don't install variables which
	are used in acc parallel reductions.
	(lower_rec_input_clauses): Remove dead code.
	(lower_oacc_reductions): Add support for reference reductions.
	(lower_reduction_clauses): Remove dead code.
	(lower_omp_target): Don't remap variables appearing in acc parallel
	reductions.
	* tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.

	gcc/testsuite/
	* c-c++-common/goacc/reduction-5.c: New test.
	* c-c++-common/goacc/reduction-promotions.c: New test.
	* gfortran.dg/goacc/reduction-3.f95: New test.
	* gfortran.dg/goacc/reduction-promotions.f90: New test.

	libgomp/
	* testsuite/libgomp.oacc-c-c++-common/loop-reduction-gang-np-1.c: New
	test.
	* testsuite/libgomp.oacc-c-c++-common/loop-reduction-gw-np-1.c: New
	test.
	* testsuite/libgomp.oacc-c-c++-common/loop-reduction-gwv-np-1.c: New
	test.
	* testsuite/libgomp.oacc-c-c++-common/loop-reduction-gwv-np-2.c: New
	test.
	* testsuite/libgomp.oacc-c-c++-common/loop-reduction-gwv-np-3.c: New
	test.
	* testsuite/libgomp.oacc-c-c++-common/loop-reduction-gwv-np-4.c: New
	test.
	* testsuite/libgomp.oacc-c-c++-common/loop-reduction-vector-p-1.c: New
	test.
	* testsuite/libgomp.oacc-c-c++-common/loop-reduction-vector-p-2.c: New
	test.
	* testsuite/libgomp.oacc-c-c++-common/loop-reduction-worker-p-1.c: New
	test.
	* testsuite/libgomp.oacc-c-c++-common/loop-reduction-wv-p-1.c: New test.
	* testsuite/libgomp.oacc-c-c++-common/loop-reduction-wv-p-2.c: New test.
	* testsuite/libgomp.oacc-c-c++-common/loop-reduction-wv-p-3.c: New test.
	* testsuite/libgomp.oacc-c-c++-common/par-loop-comb-reduction-1.c: New
	test.
	* testsuite/libgomp.oacc-c-c++-common/par-loop-comb-reduction-2.c: New
	test.
	* testsuite/libgomp.oacc-c-c++-common/par-loop-comb-reduction-3.c: New
	test.
	* testsuite/libgomp.oacc-c-c++-common/par-loop-comb-reduction-4.c: New
	test.
	* testsuite/libgomp.oacc-c-c++-common/par-reduction-1.c: Add test
	coverage.
	* testsuite/libgomp.oacc-c-c++-common/par-reduction-2.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/parallel-dims.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/parallel-reduction.c: New test.
	* testsuite/libgomp.oacc-c-c++-common/pr70289.c: New test.
	* testsuite/libgomp.oacc-c-c++-common/pr70373.c: New test.
	* testsuite/libgomp.oacc-c-c++-common/reduction-1.c: Add test
	coverage.
	* testsuite/libgomp.oacc-c-c++-common/reduction-2.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/reduction-3.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/reduction-4.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/reduction-5.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/reduction-6.c: New test.
	* testsuite/libgomp.oacc-c-c++-common/reduction.h: New test.
	* testsuite/libgomp.oacc-fortran/parallel-reduction.f90: New test.
	* testsuite/libgomp.oacc-fortran/pr70289.f90: New test.
	* testsuite/libgomp.oacc-fortran/reduction-1.f90: Add test coverage.
	* testsuite/libgomp.oacc-fortran/reduction-2.f90: Likewise.
	* testsuite/libgomp.oacc-fortran/reduction-3.f90: Likewise.
	* testsuite/libgomp.oacc-fortran/reduction-4.f90: Likewise.
	* testsuite/libgomp.oacc-fortran/reduction-5.f90: Likewise.
	* testsuite/libgomp.oacc-fortran/reduction-6.f90: Likewise.
	* testsuite/libgomp.oacc-fortran/reduction-7.f90: New test.

From-SVN: r234840

1 files changed, 30 insertions, 0 deletions

diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-reduction-gw-np-1.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-reduction-gw-np-1.c
new file mode 100644
index 00000000000..2e5668b134e
--- /dev/null
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-reduction-gw-np-1.c
@@ -0,0 +1,30 @@
+/* { dg-additional-options "-w" } */
+
+#include <assert.h>
+
+/* Test of reduction on loop directive (gangs and workers, non-private
+   reduction variable).  */
+
+int
+main (int argc, char *argv[])
+{
+  int i, arr[1024], res = 0, hres = 0;
+
+  for (i = 0; i < 1024; i++)
+    arr[i] = i;
+
+  #pragma acc parallel num_gangs(32) num_workers(32) vector_length(32) \
+		       copy(res)
+  {
+    #pragma acc loop gang worker reduction(+:res)
+    for (i = 0; i < 1024; i++)
+      res += arr[i];
+  }
+
+  for (i = 0; i < 1024; i++)
+    hres += arr[i];
+
+  assert (res == hres);
+
+  return 0;
+}