[llvm] [DependenceAnalysis] Extending SIV to handle separate loops (PR #128782)

[Alireza Torabian via llvm-commits]

1997alireza wrote:

> > A separate commit and PR has been created for the changes applied to the loop fusion pass.
> 
> Do you mean [1997alireza#1](https://github.com/1997alireza/llvm-project/pull/1) ? You already merged it into this PR so https://github.com/llvm/llvm-project/pull/128782/files includes the LoopFuse changes again. The point of [Stacked PRs](https://llvm.org/docs/GitHub.html#stacked-pull-requests) is to not merge them.

Reverted the merged PR. Now the loop fusion changes are in another PR #146383.

https://github.com/llvm/llvm-project/pull/128782