[llvm-branch-commits] [llvm] release/21.x: [BPF] Backport backend fixes related to BTF (PR #165154)

[Cullen Rhodes via llvm-branch-commits]

c-rhodes wrote:

seems like quite a large change, although it is restricted to the BPF backend. @eddyz87 @yonghong-song what do you think about backporting this?

https://github.com/llvm/llvm-project/pull/165154