[PATCH] D122939: [NVPTX][tests] Do not run the test CodeGen/Generic/2010-11-04-BigByval.ll

Artem Belevich via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Apr 4 12:35:36 PDT 2022


tra added a comment.

Not sure if you're the author of this post: https://discourse.llvm.org/t/nvptx-codegen-surprisingly-slow-on-some-functions/61307, but the issue is somewhat similar -- there's a quadratic behavior in LoadStoreVectorizer.

So, what we have here is that the test is nearly a show-stopper for the affected users, we do want to keep it running everywhere else as it has a value for most of the users, and we have no easy way to satisfy both.

We have incoming LIT changes for conditional test execution (https://reviews.llvm.org/D122569). If we can expose 'default target' as a LIT feature, then we could run the test only if the default target is not NVPTX.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D122939/new/

https://reviews.llvm.org/D122939



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