[llvm] [AMDGPU] Add alignment attr & propagate alignment through make.buffer.rsrc inst (PR #145278)

[via llvm-commits]

Shoreshen wrote:

> This seems reasonable overall though i'll leave final review to folks familiar with the attributor.
> 
> One question: how much work would it be to materialize the returned alignment as a attribute on the `make.buffer.rsrc` call? I figure it'll help make it more obvious what's going on.

Hi do you mean add alignment attribute on the call to intrinsic??

https://github.com/llvm/llvm-project/pull/145278