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[PATCH] Add testcase for PR tree-optimization/32575
- From: Jakub Jelinek <jakub at redhat dot com>
- To: gcc-patches at gcc dot gnu dot org
- Date: Thu, 8 Nov 2007 08:10:52 -0500
- Subject: [PATCH] Add testcase for PR tree-optimization/32575
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
Hi!
This testcase was fixed by revision 127927, test committed to trunk.
2007-11-08 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/32575
* gcc.c-torture/execute/20071108-1.c: New test.
--- gcc/testsuite/gcc.c-torture/execute/20071108-1.c.jj 2007-11-08 13:59:19.000000000 +0100
+++ gcc/testsuite/gcc.c-torture/execute/20071108-1.c 2007-11-08 13:58:54.000000000 +0100
@@ -0,0 +1,53 @@
+/* PR tree-optimization/32575 */
+
+extern void abort (void);
+
+struct S
+{
+ void *s1, *s2;
+ unsigned char s3, s4, s5;
+};
+
+__attribute__ ((noinline))
+void *
+foo (void)
+{
+ static struct S s;
+ return &s;
+}
+
+__attribute__ ((noinline))
+void *
+bar ()
+{
+ return (void *) 0;
+}
+
+__attribute__ ((noinline))
+struct S *
+test (void *a, void *b)
+{
+ struct S *p, q;
+ p = foo ();
+ if (p == 0)
+ {
+ p = &q;
+ __builtin_memset (p, 0, sizeof (*p));
+ }
+ p->s1 = a;
+ p->s2 = b;
+ if (p == &q)
+ p = 0;
+ return p;
+}
+
+int
+main (void)
+{
+ int a;
+ int b;
+ struct S *z = test ((void *) &a, (void *) &b);
+ if (z == 0 || z->s1 != (void *) &a || z->s2 != (void *) &b || z->s3 || z->s4)
+ abort ();
+ return 0;
+}
Jakub