1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-12.c b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-12.c
new file mode 100644
index 00000000000..ab43eaf0a1a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-12.c
@@ -0,0 +1,32 @@
+/* { dg-do compile } */ 
+/* { dg-options "-O1 -fscalar-evolutions -fdump-tree-scev-details" } */
+
+
+int bar (void);
+
+int foo ()
+{
+  int a = -100;
+  int b = 2;
+  int c = 3;
+  int d = 4;
+  
+  while (a)
+    {
+      a = a + b;
+      
+      /* Exercises if-phi-nodes.  */
+      if (bar ())
+	b = b + c;
+      
+      c = c + d;
+    }
+}
+
+/* The analyzer has to detect the following evolution functions:
+   c  ->  {3, +, 4}_1
+   b  ->  {2, +, {[0, 3], +, [0, 4]}_1}_1
+   a  ->  {-100, +, {2, +, {[0, 3], +, [0, 4]}_1}_1}_1
+*/
+
+/* FIXME. */