[llvm] [LICM] Allow hoisting of InsertElementInst's past non-hoistable InsertElementInsts (PR #200532)

[Devon Loehr via llvm-commits]

DKLoehr wrote:

Yeah, I think the standard play is to revert first. If you look into it and can quickly fix forward I think that would be okay, but if the solution isn't obvious it would be best to revert and re-land later.

https://github.com/llvm/llvm-project/pull/200532