From patchwork Sun Jul 22 05:31:44 2012
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Subject: [Committed] Add two new aliasing testcases
Date: Sat, 21 Jul 2012 19:31:44 -0000
From: Andrew Pinski <andrew.pinski@caviumnetworks.com>
X-Patchwork-Id: 172476
Message-Id: <CA+=Sn1kexNMEZSqow86OrC2=RTgaqxu6O14AnkPNNq=LceaJrw@mail.gmail.com>
To: GCC Patches <gcc-patches@gcc.gnu.org>

Hi,
  I thought I would add these two aliasing testcases which I have in
Cavium's private tree for a while now.  They both pass since the
addition of MEM_REF.

 Committed as obvious after a bootstrap and test on x86_64-linux-gnu
with no regressions.

Thanks,
Andrew Pinski

2012-07-21  Andrew Pinski  <apinski@cavium.com>

	* gcc.dg/tree-ssa/alias-21.c: New testcase.
	* gcc.dg/tree-ssa/alias-22.c: New testcase.


Index: testsuite/gcc.dg/tree-ssa/alias-21.c
===================================================================
--- testsuite/gcc.dg/tree-ssa/alias-21.c	(revision 0)
+++ testsuite/gcc.dg/tree-ssa/alias-21.c	(revision 0)
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+
+int f(int *r)
+{
+  r[0] = 0;
+  r[1] = 1;
+  return r[0];
+}
+
+
+/* { dg-final { scan-tree-dump-times "return 0;" 1 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */
+
Index: testsuite/gcc.dg/tree-ssa/alias-22.c
===================================================================
--- testsuite/gcc.dg/tree-ssa/alias-22.c	(revision 0)
+++ testsuite/gcc.dg/tree-ssa/alias-22.c	(revision 0)
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+
+int f(int *r)
+{
+  r[1] = 0;
+  r[2] = 1;
+  return r[1];
+}
+
+
+/* { dg-final { scan-tree-dump-times "return 0;" 1 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */
+
Index: testsuite/ChangeLog
===================================================================
--- testsuite/ChangeLog	(revision 189751)
+++ testsuite/ChangeLog	(working copy)
@@ -1,5 +1,10 @@
 2012-07-21  Andrew Pinski  <apinski@cavium.com>
 
+	* gcc.dg/tree-ssa/alias-21.c: New testcase.
+	* gcc.dg/tree-ssa/alias-22.c: New testcase.
+
+2012-07-21  Andrew Pinski  <apinski@cavium.com>
+
 	* gcc.target/mips/octeon-pop-2.c: New testcase.
 
 2012-07-21  Tobias Burnus  <burnus@net-b.de>