[llvm] [DirectX] Convert debug values to old style (PR #192162)

[Harald van Dijk via llvm-commits]

hvdijk wrote:

> If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the infrastructure label.

This looks like the long-standing #137660.

https://github.com/llvm/llvm-project/pull/192162