1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr21829.c b/gcc/testsuite/gcc.dg/tree-ssa/pr21829.c
new file mode 100644
index 000000000..c95714ab9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr21829.c
@@ -0,0 +1,22 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+int test(int v)
+{
+  int x = 0;
+  int u;
+  for (u=0;u<2;u++)
+  {
+    if (u>v)
+    {
+      if (u%2==1)
+        x++;
+    }
+  }  
+  return x;
+}
+
+/* This should be unrolled and optimized into conditional set of return value "v < 0".  */
+
+/* { dg-final { scan-tree-dump-not "if \\(" "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */