[llvm] [CodeLayout] cache-directed sort: limit max chain size (PR #69039)

[Rahman Lavaee via llvm-commits]

rlavaee wrote:

Thanks for experimenting with my PR. I have another optimization too that I will try myself. It makes sense to set a limit. I was just curious what would be the perf. gain that we drop if we set it to 128. (Any ideas @spupyrev ?)


https://github.com/llvm/llvm-project/pull/69039