diff gcc/testsuite/c-c++-common/goacc/kernels-counter-var-redundant-load.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-counter-var-redundant-load.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,34 @@
+/* { dg-additional-options "-O2" } */
+/* { dg-additional-options "-fdump-tree-dom3" } */
+
+#include <stdlib.h>
+
+#define N (1024 * 512)
+#define COUNTERTYPE unsigned int
+
+COUNTERTYPE
+foo (unsigned int *c)
+{
+  COUNTERTYPE ii;
+
+#pragma acc kernels copyout (c[0:N])
+  {
+    for (ii = 0; ii < N; ii++)
+      c[ii] = 1;
+  }
+
+  return ii;
+}
+
+/* We're expecting:
+
+   .omp_data_i_10 = &.omp_data_arr.3;
+   _11 = .omp_data_i_10->ii;
+   *_11 = 0;
+   _15 = .omp_data_i_10->c;
+   c.1_16 = *_15;
+
+   Check that there's only one load from anonymous ssa-name (which we assume to
+   be the one to read c), and that there's no such load for ii.  */
+
+/* { dg-final { scan-tree-dump-times "(?n)\\*_\[0-9\]\[0-9\]*;$" 1 "dom3" } } */