1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-20.c b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-20.c
new file mode 100644
index 00000000000..521f60efe52
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-20.c
@@ -0,0 +1,29 @@
+/* { dg-do compile } */ 
+/* { dg-options "-O1 -fscalar-evolutions -fdump-tree-scev-details" } */
+
+
+int main ()
+{
+  int a = 3;
+  int b = 2;
+  
+  while (a)
+    {
+      b += 5;
+      a += b;
+      
+      /* Exercises the sum of a polynomial of degree 2 with an
+	 evolution of degree 1:
+	 
+	 (loop_num = 1, chrec_var = {3, +, 7, +, 5}, to_add = 2).
+	 The result should be:  {3, +, 9, +, 5}.  */
+      a += 2;
+    }
+}
+
+/* 
+   b  ->  {2, +, 5}_1
+   a  ->  {3, +, {9, +, 5}_1}_1
+*/
+
+/* FIXME. */