[llvm] [MCA] Do not allocate space for DependenceEdge by default in DependencyGraphNode (NFC) (PR #125080)

[Andrea Di Biagio via llvm-commits]

adibiagio wrote:

Thanks for this patch!

I left a minor comment. Otherwise, the change looks good to me.


https://github.com/llvm/llvm-project/pull/125080