[PATCH] D134410: [clang][CodeGen] Add noundef metadata to load instructions (preliminary 1 or 2)

[Nikita Popov via Phabricator via cfe-commits]

nikic added a comment.

I think adding this under a default-disabled flag is fine for evaluation purposes, but I have doubts that we will ever be able to enable this by default. There is a lot of code out there assuming that copying uninitialized data around is fine.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D134410/new/

https://reviews.llvm.org/D134410