[llvm] [DAGCombine] Add all users of the instruction recursively into worklist when an instruction is simplified (PR #91772)

[Shengchen Kan via llvm-commits]

KanRobert wrote:

Maybe we can add a flag `--dagcombine-max-depth=` ? @RKSimon @topperc @phoebewang @e-kud @goldsteinn 

https://github.com/llvm/llvm-project/pull/91772