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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.dg/pr22335-2.c
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Diffstat (limited to 'gcc/testsuite/gcc.dg/pr22335-2.c')
-rw-r--r--gcc/testsuite/gcc.dg/pr22335-2.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr22335-2.c b/gcc/testsuite/gcc.dg/pr22335-2.c
new file mode 100644
index 000000000..afba95521
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr22335-2.c
@@ -0,0 +1,39 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+void abort(void) __attribute__((__noreturn__));
+typedef struct {
+ int container;
+} edge_iterator;
+struct ls_expr
+{
+ int index;
+ int stores;
+ struct ls_expr * next;
+};
+struct ls_expr * pre_ldst_mems;
+edge_iterator ei;
+void
+store_motion (void)
+{
+ struct ls_expr * ptr, **prev_next_ptr_ptr;
+ edge_iterator ei1;
+ edge_iterator ei2;
+ int a = ptr != ((void *)0);
+ for (ptr = pre_ldst_mems, prev_next_ptr_ptr = &pre_ldst_mems;
+ ptr != ((void *)0);
+ ptr = *prev_next_ptr_ptr)
+ if (!((ptr)->stores))
+ *prev_next_ptr_ptr = ptr->next;
+ else
+ prev_next_ptr_ptr = &ptr->next;
+
+ for (ptr = pre_ldst_mems; ptr != 0; ptr = ptr->next)
+ ;
+ ei1 = ei;
+ ei2 = ei1;
+ if (!ei2.container)
+ abort ();
+ ei2 = ei1;
+ if (!ei2.container)
+ abort ();
+}