[PATCH] D51664: [IR] Lazily number instructions for local dominance queries
Sanjoy Das via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Sep 24 14:29:33 PDT 2018
sanjoy added a comment.
> If I get no results, at least 1% RSS is an upper bound on increased LTO memory usage. I'm happy to trade that for 40% shorter compile time of the slowest TUs in clang.
That I agree with. :)
Though, as I said on the llvm-dev thread, we may be able to get the best of both worlds by using something like the waymarking algorithm.
https://reviews.llvm.org/D51664
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