diff --git a/test/Transforms/GVNPRE/2007-06-18-ConstantInPhi.ll b/test/Transforms/GVNPRE/2007-06-18-ConstantInPhi.ll
new file mode 100644
index 00000000000..b4cb5178c4c
--- /dev/null
+++ b/test/Transforms/GVNPRE/2007-06-18-ConstantInPhi.ll
@@ -0,0 +1,22 @@
+; RUN: llvm-as < %s | opt -gvnpre | llvm-dis
+
+define void @vorbis_lsp_to_curve() {
+entry:
+	br i1 false, label %bb.nph, label %return
+
+bb.nph:		; preds = %entry
+	br label %bb34
+
+bb34:		; preds = %bb34, %bb.nph
+	%p.1 = phi float [ 0x3FE6A09E60000000, %bb.nph ], [ %tmp48, %bb34 ]		; <float> [#uses=1]
+	%tmp44 = load float* null		; <float> [#uses=1]
+	%tmp46 = sub float %tmp44, 0.000000e+00		; <float> [#uses=1]
+	%tmp48 = mul float %tmp46, %p.1		; <float> [#uses=1]
+	br i1 false, label %bb57, label %bb34
+
+bb57:		; preds = %bb34
+	ret void
+
+return:		; preds = %entry
+	ret void
+}