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diff --git a/test/Transforms/LoopSimplify/single-backedge.ll b/test/Transforms/LoopSimplify/single-backedge.ll
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+++ b/test/Transforms/LoopSimplify/single-backedge.ll
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+; The loop canonicalization pass should guarantee that there is one backedge 
+; for all loops.  This allows the -indvars pass to recognize the %IV 
+; induction variable in this testcase.
+
+; RUN: llvm-upgrade < %s | llvm-as | opt -indvars | llvm-dis | grep indvar
+
+int %test(bool %C) {
+	br label %Loop
+Loop:
+	%IV = phi uint [1, %0], [%IV2, %BE1], [%IV2, %BE2]
+	%IV2 = add uint %IV, 2
+	br bool %C, label %BE1, label %BE2
+BE1:
+	br label %Loop
+BE2:
+	br label %Loop
+}