1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-07.c b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-07.c
new file mode 100644
index 00000000000..8cc619a6f47
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-07.c
@@ -0,0 +1,27 @@
+/* { dg-do compile } */ 
+/* { dg-options "-O1 -ftree-elim-checks -fdump-tree-optimized" } */
+
+void remove_me (void);
+
+int main(void)
+{
+  int a = -100;
+  int b = 2;
+  int d = -1;
+  int e = -100;
+  
+  while (a)
+    {
+      /* Exercises higher order polynomials.  */
+      a = a + b;		/* a  ->  {-100, +, {2, +, 3}_1}_1 */
+      b = b + 3;		/* b  ->  {2, +, 3}_1 */
+
+      d = d + 3;		/* d  ->  {-1, +, 3}_1 */
+      e = e + d;		/* e  ->  {-100, +, {2, +, 3}_1}_1 */
+      
+      if (a != e)		/* a  ->  {-98, +, {5, +, 3}_1}_1 */
+	remove_me ();
+    }
+}
+
+/* { dg-final { scan-tree-dump-times "remove_me" 0 "optimized"} } */