[llvm] [LoopStrengthReduce] Mitigation of issues introduced by compilation time optimization in SolveRecurse. (PR #147588)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> Compile-time: https://llvm-compile-time-tracker.com/compare.php?from=2d424e633349fc0e22a1242978989c82aa4895d4&to=35f8e65e423f4ba5d34df48fe1c4a80201cdb7f6&stat=instructions:u

Broken link? I get "Error 503 Backend fetch failed" 

https://github.com/llvm/llvm-project/pull/147588