[llvm] [IndVarsSimplify] sinkUnusedInvariants is skipping instructions while sinking. (PR #135205)

[Nikita Popov via llvm-commits]

https://github.com/nikic commented:

The iterator handling here is super convoluted. The isDebugOrPseudoInst checks should be dropped entirely. For the rest, can this be expressed in terms of reverse(make_early_inc_range()) instead?

https://github.com/llvm/llvm-project/pull/135205