[clang] [libcxx] [compiler-rt] [lldb] [libc] [llvm] [lld] [flang] [clang-tools-extra] [AMDGPU] Use alias info to relax waitcounts for LDS DMA (PR #74537)

[Stanislav Mekhanoshin via cfe-commits]

rampitec wrote:

All split off parts were merged and this patch is merged with main. Only waitcount insertion pass changes remained here.

https://github.com/llvm/llvm-project/pull/74537