ivopts-1.c: New test.

	* gcc.dg/tree-ssa/ivopts-1.c: New test.
	* gcc.dg/tree-ssa/ivopts-2.c: New test.

Co-Authored-By: Adam Nemet <anemet@caviumnetworks.com>

From-SVN: r117183

gcc/testsuite/ChangeLog

+2006-09-24  Zdenek Dvorak <dvorakz@suse.cz>
+	    Adam Nemet  <anemet@caviumnetworks.com>
+
+	* gcc.dg/tree-ssa/ivopts-1.c: New test.
+	* gcc.dg/tree-ssa/ivopts-2.c: New test.
+	
 2006-09-24  Kazu Hirata  <kazu@codesourcery.com>
 
 	PR target/28911

gcc/testsuite/gcc.dg/tree-ssa/ivopts-1.c

+/* { dg-do compile } */
+
+/* Not all platforms support TImode integers.  */
+#if defined(__LP64__) && !defined(__hppa__)
+typedef int TItype __attribute__ ((mode (TI)));
+#else
+typedef long TItype;
+#endif
+
+TItype last_data_offset ;
+int store;
+char *data;
+
+f ()
+{
+
+  TItype data_offset = last_data_offset;
+  char *p;
+
+  for (p = data; *p; p++)
+    {
+      data_offset++;
+      g (data_offset);
+      store = data_offset + 1;
+    }
+}

gcc/testsuite/gcc.dg/tree-ssa/ivopts-2.c

+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-ivopts-details" } */
+
+long last_data_offset;
+int store;
+char *data;
+  
+f ()
+{
+  
+  long data_offset = last_data_offset;
+  char *p;
+  
+  for (p = data; *p; p++)
+    {
+      data_offset++;
+      g (data_offset);
+      store = data_offset + 1;
+    }
+}
+
+/* We should only have two IVs.  */
+/* { dg-final { scan-tree-dump-not "\\n  candidates .*,.*,.*\\n\[^\\n\]*\\nFinal cost" "ivopts" } }  */
+/* { dg-final { cleanup-tree-dump "ivopts" } }  */