[llvm] [InstCombine][CVP] Fold length-one memset with variable fill (PR #213240)

[Nikita Popov via llvm-commits]

https://github.com/nikic commented:

Please remove DomConditionCache support and integrate this into the existing loop over all instructions, instead of doing a separate walk.

https://github.com/llvm/llvm-project/pull/213240