[llvm] [lldb] [lld] [libc] [clang-tools-extra] [clang] [libcxx] [flang] [AMDGPU] Add IR-level pass to rewrite away address space 7 (PR #77952)

[Krzysztof Drewniak via cfe-commits]

krzysz00 wrote:

@piotrAMD Thanks for the thorough testing! I found the issue (stale pointer) and your code also gave me an unrelated crash, namely that I wasn't correctly handling unreachable intrinssics.

https://github.com/llvm/llvm-project/pull/77952