[gcc r12-7579] Add 'c-c++-common/goacc/kernels-decompose-pr104774-1.c' [PR104774]

[Thomas Schwinge <tschwinge@gcc.gnu.org>]

https://gcc.gnu.org/g:448741533a75862ebf51d8e73eb1dd1f6a47eec5

commit r12-7579-g448741533a75862ebf51d8e73eb1dd1f6a47eec5
Author: Thomas Schwinge <thomas@codesourcery.com>
Date:   Thu Mar 3 18:00:52 2022 +0100

    Add 'c-c++-common/goacc/kernels-decompose-pr104774-1.c' [PR104774]
    
    ..., currently XFAILed with 'dg-ice'.
    
            PR middle-end/104774
            gcc/testsuite/
            * c-c++-common/goacc/kernels-decompose-pr104774-1.c: New file.

Diff:
---
 .../goacc/kernels-decompose-pr104774-1.c           | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-decompose-pr104774-1.c b/gcc/testsuite/c-c++-common/goacc/kernels-decompose-pr104774-1.c
new file mode 100644
index 00000000000..776f4d6befa
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-decompose-pr104774-1.c
@@ -0,0 +1,41 @@
+/* { dg-additional-options "--param openacc-kernels=decompose" } */
+
+/* { dg-additional-options "-fchecking" }
+   { dg-ice TODO } */
+
+/* { dg-additional-options "-fopt-info-all-omp" } */
+
+/* { dg-additional-options "--param=openacc-privatization=noisy" }
+   Prune a few: uninteresting, and potentially varying depending on GCC configuration (data types):
+   { dg-prune-output {note: variable 'D\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} } */
+
+int arr_0;
+
+void
+foo (void)
+{
+#pragma acc kernels /* { dg-line l_compute1 } */
+  /* { dg-note {OpenACC 'kernels' decomposition: variable 'k' declared in block requested to be made addressable} {} { target *-*-* } l_compute1 } */
+  /* { dg-note {variable 'k' made addressable} {} { target *-*-* } l_compute1 } */
+  /* { dg-note {variable 'k' declared in block is candidate for adjusting OpenACC privatization level} {} { target *-*-* } l_compute1 } */
+  /* { dg-note {variable 'arr_0\.0' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_compute1 } */
+  {
+    int k;
+
+    /* { dg-note {parallelized loop nest in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
+#pragma acc loop seq /* { dg-line l_loop_k1 } */
+    /* { dg-note {variable 'k' in 'private' clause is candidate for adjusting OpenACC privatization level} {} { target *-*-* } l_loop_k1 } */
+    for (k = 0; k < 2; k++)
+      arr_0 = k;
+
+    /* { dg-note {parallelized loop nest in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
+#pragma acc loop independent reduction(+: arr_0) /* { dg-line l_loop_k2 } */
+    /* { dg-note {variable 'k' in 'private' clause is candidate for adjusting OpenACC privatization level} {} { target *-*-* } l_loop_k2 } */
+    for (k = 0; k < 2; k++)
+      arr_0 += k;
+  }
+}
+/* { dg-bogus {error: non-register as LHS of binary operation} {} { xfail *-*-* } .-1 }
+   { dg-bogus {error: invalid RHS for gimple memory store: 'var_decl'} {} { xfail *-*-* } .-2 }
+   { dg-allow-blank-lines-in-output 1 }
+   { dg-excess-errors ICE } */