diff --git a/test/Transforms/SimplifyCFG/PhiNoEliminate.ll b/test/Transforms/SimplifyCFG/PhiNoEliminate.ll
new file mode 100644
index 00000000000..6e7c9f5e782
--- /dev/null
+++ b/test/Transforms/SimplifyCFG/PhiNoEliminate.ll
@@ -0,0 +1,29 @@
+; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | not grep select
+
+;; The PHI node in this example should not be turned into a select, as we are
+;; not able to ifcvt the entire block.  As such, converting to a select just 
+;; introduces inefficiency without saving copies.
+
+int %bar(bool %C) {
+entry:
+        br bool %C, label %then, label %endif
+
+then:
+        %tmp.3 = call int %qux()
+        br label %endif
+
+endif:
+	%R = phi int [123, %entry], [12312, %then]
+	;; stuff to disable tail duplication
+        call int %qux()
+        call int %qux()
+        call int %qux()
+        call int %qux()
+        call int %qux()
+        call int %qux()
+        call int %qux()
+        ret int %R
+}
+
+declare int %qux()
+