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Alex Bradbury wrote:
> My hope is this will allow
> LuaJIT to optimise away instances of bit.bor($(imm), 0) and the like,
> which occur pretty frequently. Though I haven't checked to see if it
> does this yet.

It does. It has an extensive set of constant folding rules,
reassociation rules, strength-reduction rules and algebraic

If you notice a missing fold rule, it's quite easy to add it to