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diff --git a/test/Transforms/InstCombine/cast.ll b/test/Transforms/InstCombine/cast.ll
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+++ b/test/Transforms/InstCombine/cast.ll
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+; Tests to make sure elimination of casts is working correctly
+
+; RUN: if as < %s | opt -instcombine -dce | grep '%c'
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+
+implementation
+
+int "test1"(int %A)
+begin
+	%c1 = cast int %A to uint
+	%c2 = cast uint %c1 to int
+	ret int %c2
+end
+
+ulong "test2"(ubyte %A)
+begin
+	%c1 = cast ubyte %A to ushort
+	%c2 = cast ushort %c1 to uint
+	%Ret = cast uint %c2 to ulong
+	ret ulong %Ret
+end