[llvm] [SPIRV] Extend NSDI debug handling for DebugTypeFunction. (PR #197003)

[Diego Novillo via llvm-commits]

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dnovillo wrote:

In the header documentation, this functions states that it fallsback to `DebugInfoNone` when the base type is unmapped, but here we drop it if `BaseTy` is non-null but not in `DebugTypeRegs`.

https://github.com/llvm/llvm-project/pull/197003