; RUN: llvm-as < %s | opt -tailduplicate -disable-output

void %interpret() {
entry:
	br label %retry

retry:
	%tmp.8 = call int %interp()
	switch uint 0, label %endif.4 [
		 uint 4294967271, label %return
		 uint 4294967280, label %return
	]

endif.4:
	br bool false, label %return, label %retry

return:
	%result.0 = phi int [ %tmp.8, %retry ], [%tmp.8, %retry], [ %tmp.8, %endif.4 ]
	ret void
}

declare int %interp()