[llvm] [SelectionDAG] Mark LowerTypeTests as required and remove intrinsic handling from #142939 (PR #179249)

[Abhishek Kaushik via llvm-commits]

abhishek-kaushik22 wrote:

I'm not sure if this fixes the problem in https://github.com/llvm/llvm-project/issues/142937, the `LowerTypeTestsPass` is only used when `-flto` is passed to the compiler.
Without `-flto` this intrinsic is handled in the `CodeGen Prepare` pass, can we please rethink this?

https://github.com/llvm/llvm-project/pull/179249