re PR middle-end/45098 (Missed induction variable optimization)

2011-05-23  Tom de Vries  <tom@codesourcery.com>

	PR target/45098
	* gcc.target/arm/ivopts-6.c: New test.

From-SVN: r174055

gcc/testsuite/ChangeLog

+2011-05-23  Tom de Vries  <tom@codesourcery.com>
+
+	PR target/45098
+	* gcc.target/arm/ivopts-6.c: New test.
+
 2011-05-22  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/49029

gcc/testsuite/gcc.target/arm/ivopts-6.c

+/* { dg-do assemble } */
+/* { dg-options "-Os -fdump-tree-ivopts -save-temps -marm" } */
+
+void
+tr5 (short array[], int n)
+{
+  int x;
+  if (n > 0)
+    for (x = 0; x < n; x++)
+      array[x] = 0;
+}
+
+/* { dg-final { scan-tree-dump-times "PHI <" 1 "ivopts"} } */
+/* { dg-final { object-size text <= 32 } } */
+/* { dg-final { cleanup-tree-dump "ivopts" } } */