[clang] [flang] [llvm] Initial support for vectorization using HVML (Hygon vector math library) (PR #219098)

[Florian Hahn via cfe-commits]

https://github.com/fhahn commented:

Please split up the PR into incremental changes: there are at least 3 separate changes: 1) llvm support for the new lib, 2) clang support, 3) flang support

https://github.com/llvm/llvm-project/pull/219098