[llvm] [IR] `select` should reject token-like types (PR #219162)

[Sameer Sahasrabuddhe via llvm-commits]

ssahasra wrote:

> DirectX should not have `-disable-verify` tests.

@farzonl please advise on how to proceed with the DirectX tests. To keep things consistent, I would like to add stricter checks to LLParser and the constructors of both Phi and Select so that token-like types quickly and loudly result in an error. That would require a fix to these tests first.

https://github.com/llvm/llvm-project/pull/219162