SMS: Add new testcase

Co-Authored-By: Revital Eres <eres@il.ibm.com>

From-SVN: r129575

gcc/testsuite/ChangeLog

+2007-10-23  Tehila Meyzels  <tehila@il.ibm.com>
+	    Revital Eres  <eres@il.ibm.com>	 
+
+	*  testsuite/gcc.dg/sms-2.c: New testcase.
+
 2007-10-22  David S. Miller  <davem@davemloft.net>
 
 	* gcc.dg/globalreg-1.c: New test.

gcc/testsuite/gcc.dg/sms-2.c

+/* The same test as 921011-1.c.  It can fails on gcc 4.1 due to a dfs
+   traversal of the loops after versioning.  */
+
+/* { dg-do compile } */
+/* { dg-options "-O2 -fmodulo-sched -dm" } */
+
+
+void
+fun (nb)
+     int nb;
+{
+  int th, h, em, nlwm, nlwS, nlw, sy;
+
+  while (nb--)
+    while (h--)
+      {
+	nlw = nlwm;
+	while (nlw)
+	  {
+	    if (nlwS == 1)
+	      {
+	      }
+	    else
+	      if (nlwS == 1)
+		{
+		}
+	    nlwS--; nlw--;
+	  }
+	if (em)
+	  nlwS--;
+	if (++sy == th)
+	  sy = 0;
+      }
+}