diff --git a/test/Transforms/LoopSimplify/2004-04-12-LoopSimplify-SwitchBackedges.ll b/test/Transforms/LoopSimplify/2004-04-12-LoopSimplify-SwitchBackedges.ll
new file mode 100644
index 00000000000..f963780a21f
--- /dev/null
+++ b/test/Transforms/LoopSimplify/2004-04-12-LoopSimplify-SwitchBackedges.ll
@@ -0,0 +1,22 @@
+; RUN: llvm-as < %s | opt -loopsimplify -disable-output
+
+implementation   
+
+void %test() {
+loopentry.0:
+	br label %loopentry.1
+
+loopentry.1:
+	%pixel.4 = phi int [ 0, %loopentry.0 ], [ %pixel.4, %loopentry.1], [ %tmp.370, %then.6 ], [ %tmp.370, %then.6 ]
+	br bool false, label %then.6, label %loopentry.1
+
+then.6:
+	%tmp.370 = add int 0, 0		; <int> [#uses=2]
+	switch uint 0, label %label.7 [
+		 uint 6408, label %loopentry.1
+		 uint 32841, label %loopentry.1
+	]
+
+label.7:		; preds = %then.6
+	ret void
+}