[llvm] [InstCombine] Always fold assumes to use operand bundles (PR #169923)

[Nikita Popov via llvm-commits]

nikic wrote:

For the record, https://github.com/llvm/llvm-project/pull/177597 landed the align part of this and https://github.com/llvm/llvm-project/pull/176734, https://github.com/llvm/llvm-project/pull/177349 added nonnull support for LVI/PredicateInfo.

I didn't spot other places that need nonnull support, so I think we can try that part as well. Can you please rebase this PR?

https://github.com/llvm/llvm-project/pull/169923