[llvm] [aarch64][win] Add support for import call optimization (equivalent to MSVC /d2ImportCallOptimization) (PR #121516)

[Eli Friedman via llvm-commits]

efriedma-quic wrote:

Internally it should be an MCFixup.  I guess you'd add a new fixup kind.

Maybe follow the code for `.secidx` to get some idea what that would look like. It's not quite the same, because you need to resolve it instead of emitting a relocation, but before that point it's similar.

https://github.com/llvm/llvm-project/pull/121516