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...if there's a problem with the code generation and related stuff like instruction scheduling and register allocation - is that likely to be the case? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20150823/eb228cee/attachment.html>

How well does LLVM scale to many basic blocks? Let's say you have a single function consisting of a million basic blocks each with a few tens of instructions (and assuming the whole thing isn't trivially repetitive so the number of simultaneously live variables and whatever is large) and you feed that through the optimisers into the backend code generator, will this work okay, or will it