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

[Sirish Pande via llvm-commits]

srpande wrote:

> 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?

Sure. Adding another patch. I initially wanted to change the loop, but at the same time did not want to be too invasive. 


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