superblock.c: New test.

2012-04-14  Tom de Vries  <tom@codesourcery.com>

	* gcc.dg/superblock.c: New test.

From-SVN: r186452

gcc/testsuite/ChangeLog

 2012-04-14  Tom de Vries  <tom@codesourcery.com>
 
+	* gcc.dg/superblock.c: New test.
+
+2012-04-14  Tom de Vries  <tom@codesourcery.com>
+
 	* gcc.dg/pr51879-12.c: New test.
 
 2012-04-13  Jason Merrill  <jason@redhat.com>

gcc/testsuite/gcc.dg/superblock.c

+/* { dg-do compile } */
+/* { dg-options "-O2 -fno-asynchronous-unwind-tables -fsched2-use-superblocks -fdump-rtl-sched2 -fdump-rtl-bbro" } */
+
+typedef int aligned __attribute__ ((aligned (64)));
+extern void abort (void);
+
+int bar (void *p);
+
+void
+foo (void)
+{
+  char *p = __builtin_alloca (13);
+  aligned i;
+
+  if (bar (p) || bar (&i))
+    abort ();
+}
+
+/* { dg-final { scan-rtl-dump-times "0 uses" 0 "bbro"} } */
+/* { dg-final { scan-rtl-dump-times "ADVANCING TO" 2 "sched2"} } */
+/* { dg-final { cleanup-rtl-dump "bbro" } } */
+/* { dg-final { cleanup-rtl-dump "sched2" } } */
+