| http://www.w3.org/ns/prov#value | - You only have to handle the call portion and do not have to worry separately about return points (though you have really just converted returns into a call to a new function!).It sounds trivial, but in practice it dramatically reduces the size of not only optimization passes such as inlining, but it makes analyses that drive optimizations simpler as well (e.g., control-flow analysis).
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