[llvm] [TTI] Add SCEVExpansionBudget to loop unrolling options. (PR #118316)

[Florian Hahn via llvm-commits]

fhahn wrote:

For more context, https://github.com/llvm/llvm-project/pull/118317 adds the first user of the new property

https://github.com/llvm/llvm-project/pull/118316