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[PATCH, committed] Testcase for PR 32964
- From: Martin Jambor <mjambor at suse dot cz>
- To: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Thu, 6 Aug 2009 14:16:56 +0200
- Subject: [PATCH, committed] Testcase for PR 32964
Hi,
new SRA fixed regression filed as PR 32964. I removed the 4.5
regression tag from its summary and added the following testcase to
trunk (I hope it's reasonable to do this without an approval).
Thanks,
Martin
2009-08-06 Martin Jambor <mjambor@suse.cz>
PR middle-end/32964
* testsuite/gcc.dg/tree-ssa/pr32964.c: New test.
Index: gcc/testsuite/gcc.dg/tree-ssa/pr32964.c
===================================================================
--- gcc/testsuite/gcc.dg/tree-ssa/pr32964.c (revision 0)
+++ gcc/testsuite/gcc.dg/tree-ssa/pr32964.c (revision 150523)
@@ -0,0 +1,26 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -fdump-tree-optimized" } */
+
+union A
+{
+ float a;
+};
+
+float t(float a)
+{
+ union A a1, a2, a3;
+ int i;
+
+ a1.a = a;
+ for(i = 0; i<100; i++)
+ {
+ a2 = a1;
+ a2.a += a;
+ a1 = a2;
+ }
+ a3 = a1;
+ return a3.a;
+}
+
+/* { dg-final { scan-tree-dump-times "union" 0 "optimized"} } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */