[llvm] [SPIR-V] Add SPIRV to LLVM_ALL_TARGETS (PR #119653)

[via llvm-commits]

kanashimia wrote:

> Do you mean gating the VK related triple use behind a compile flag, or the actual Vulkan files/parts of the backend?

Yes, I meant either of those. Gating it at the tools level would be simpler, you can add a special flag that enables it just for clang and llc for example. Thinking about it now a simple warning when you pass vulkan triples would be ok too.

https://github.com/llvm/llvm-project/pull/119653