[llvm-dev] [RFC] Propeller

[Jon Chesterfield via llvm-dev]

   4. Re: [RFC] Propeller: A frame work for Post Link   Optimizations
>       (Sriraman Tallam via llvm-dev)
>
> This is so that we can do inter-procedural basic block ordering.  Doing
> this at link time with all the basic blocks exposes a lot more
> inter-procedural ordering opportunities.  At a low-level IR, we are still
> limited to intra-module basic block reordering.
>
> Thanks
> Sri
>

I think this is only true to the extent that you're willing to combine
object code together yet unwilling to combine IR together.

Using llvm-link then reordering in MIR seems to be the obvious alternative
to this strategy.

Jon
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