[libc-commits] [PATCH] D77949: [libc] Add SIMD strlen implementation .

[Siva Chandra via Phabricator via libc-commits]

sivachandra added a comment.

In D77949#1982778 <https://reviews.llvm.org/D77949#1982778>, @tschuett wrote:

> No worries. I am only afraid that a future compiler detects the UB and starts to optimize.


At least wrt `strlen`, I am not sure if compilers can detect the kind of UB we are discussing here. The `strlen` function gets a pointer. The compilers cannot assume anything about what that pointer is pointing to. Is there something else in your mind that I am missing?


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