From: Richard Guenther <rguenther@suse.de>
Date: Thu, 22 May 2008 14:33:21 +0000 (+0000)
Subject: 20080522-1.c: New testcase.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5bf6d4abbb211815ea9389ed6c70d4e90530f8a3;p=gcc.git

20080522-1.c: New testcase.

2008-05-22  Richard Guenther  <rguenther@suse.de>

	* gcc.c-torture/execute/20080522-1.c: New testcase.

From-SVN: r135768
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 51daefa9b4d..e954cd5fa59 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2008-05-22  Richard Guenther  <rguenther@suse.de>
+
+	* gcc.c-torture/execute/20080522-1.c: New testcase.
+
 2008-05-22  Richard Guenther  <rguenther@suse.de>
 
 	* gcc.dg/tree-ssa/alias-18.c: New testcase.
diff --git a/gcc/testsuite/gcc.c-torture/execute/20080522-1.c b/gcc/testsuite/gcc.c-torture/execute/20080522-1.c
new file mode 100644
index 00000000000..75bc533f557
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20080522-1.c
@@ -0,0 +1,43 @@
+/* This testcase is to make sure we have i in referenced vars and that we
+   properly compute aliasing for the loads and stores.  */
+
+extern void abort (void);
+
+static int i;
+static int *p = &i;
+
+int __attribute__((noinline))
+foo(int *q)
+{
+  *p = 1;
+  *q = 2;
+  return *p;
+}
+
+int __attribute__((noinline))
+bar(int *q)
+{
+  *q = 2;
+  *p = 1;
+  return *q;
+}
+
+int main()
+{
+  int j = 0;
+
+  if (foo(&i) != 2)
+    abort ();
+  if (bar(&i) != 1)
+    abort ();
+  if (foo(&j) != 1)
+    abort ();
+  if (j != 2)
+    abort ();
+  if (bar(&j) != 2)
+    abort ();
+  if (j != 2)
+    abort ();
+
+  return 0;
+}