[libc-commits] [libc] [libc] Implement vector 'split' and 'concat' routines (PR #157537)

[Joseph Huber via libc-commits]

jhuber6 wrote:

> given that these SIMD utilities are getting more complex, it would be best to add unit tests to ensure that they work. It'd probably be best to do that in a separate patch to avoid having one massive patch.

Sure, I can make a base test and then merge them into this one if they can get reviewed real quick.

https://github.com/llvm/llvm-project/pull/157537