[llvm] [WIP][AMDGPU][ASAN] Add amdgpu-asan-instrument-lds pass to instrument LDS (PR #83287)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> Can we restructure this as a pure software lowering of LDS, and then allow the regular instrumentation to run on it?

> The logic to instrument the globals that has been implemented in AddrSanitizer pass will be ported to this new pass. 

This is the concerning part. We shouldn't have to maintain 2 copies of sanitizing logic 

https://github.com/llvm/llvm-project/pull/83287